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Revision Of The Australian Oenochroma Vinaria Guenée, 1858 Species-Complex (Lepidoptera: Geometridae, Oenochrominae): Dna Barcoding Reveals Cryptic Diversity And Assesses Status Of Type Specimen Without Dissection

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Abstract

The assembly of a DNA barcode library for Australian Lepidoptera revealed that Oenochroma vinaria Guenée, 1858, as currently understood, is actually a mix of two different species. By analyzing DNA barcodes from recently collected specimens and the 150 year-old female lectotype of O. vinaria, we propose a reliable assignment of the name vinaria to one of these two species. A lectotype is designated for Monoctenia decora, a confirmed synonym of O. vinaria, and a new species, Oenochroma barcodificata sp. nov., is described. This species is only known from Tasmania and New South Wales; its biology and immature stages are described in detail.
Accepted by L. Gall: 22 Jul. 2009; published: 24 Sept. 2009 1
ZOOTAXA
ISSN 1175-5326 (print edition)
ISSN 1175-5334 (online edition)
Copyright © 2009 · Magnolia Press
Zootaxa 2239: 121 (2009)
www.mapress.com/zootaxa/Article
Revision of the Australian Oenochroma vinaria Guenée, 1858 species-complex
(Lepidoptera: Geometridae, Oenochrominae): DNA barcoding reveals cryptic
diversity and assesses status of type specimen without dissection
AXEL HAUSMANN1, PAUL D.N. HEBERT2, ANDREW MITCHELL3, RODOLPHE ROUGERIE2,
MANFRED SOMMERER4, TED EDWARDS5, & CATHERINE J. YOUNG6
1Zoologische Staatssammlung München, Münchhausenstr. 21, D-81247 München, Germany;. E-mail: Axel.Hausmann@zsm.mwn.de
2 Biodiversity Institute of Ontario, University of Guelph, 579 Gordon Street, ON, N1G 2W1, Guelph, Canada.
E-mail: phebert@uoguelph.ca, rrougeri@uoguelph.ca
3NSW Department of Primary Industries, Wagga Wagga Agricultural Institute, Pine Gully Rd, Wagga Wagga NSW 2650, Australia.
E-mail: andrew.mitchell@dpi.nsw.gov.au
4Volpinistr. 72, 80638 München, Germany. E-mail: Sommerer.Manfred@t-online.de;
5Australian National Insect Collection, ANIC, GPO Box 1700, Canberra ACT 2601,Australia; e-mail: Ted.Edwards@csiro.au;
6Tasmanian Museum and Art Gallery, GPO Box 1164 Hobart, 7001, Tasmania. E-mail: Catherine.Young@tmag.tas.gov.au
Abstract
The assembly of a DNA barcode library for Australian Lepidoptera revealed that Oenochroma vinaria Guenée, 1858, as
currently understood, is actually a mix of two different species. By analyzing DNA barcodes from recently collected
specimens and the 150 year-old female lectotype of O. vinaria, we propose a reliable assignment of the name vinaria to
one of these two species. A lectotype is designated for Monoctenia decora, a confirmed synonym of O. vinaria, and a
new species, Oenochroma barcodificata sp. nov., is described. This species is only known from Tasmania and New
South Wales; its biology and immature stages are described in detail.
Key words: Oenochroma barcodificata, Tasmania, new species, type sequencing, lectotype, redescription
Introduction
Identification of specimens of closely related or externally indistinguishable species of Lepidoptera usually
requires scrupulous comparison with the corresponding type specimens. Quite frequently, however, an
unambiguous identification cannot be obtained, either because the type specimen is missing the body parts
which contain the important diagnostic features (e.g., antennae, legs, abdomen, etc.) or because it is of the
"wrong" sex, precluding comparative study. In fact, the type specimen needed is often not accessible at all.
Taxonomists have frequently encountered such shortcomings and as a result there often remains a degree of
uncertainty in their taxonomic decisions.
Analysis of DNA barcodes offers an effective additional tool for the identification and distinction of
lepidopteran species e.g., in situations where a type specimen is available, but damaged or of the wrong sex.
The Biodiversity Institute of Ontario and collaborators are currently carrying out a comprehensive DNA
barcoding project named ‘All Leps’ (http://www.lepbarcoding.org/). This targets, as a long-term objective, the
analysis of all Lepidoptera through a combination of regional and continental campaigns, and more focused
global campaigns on certain taxa. As a result of both an Australian regional campaign and a recently initiated
global campaign on Geometridae, specimens of the Australian species Oenochroma vinaria Guenée, 1858
were sampled and barcoded. Surprisingly, DNA barcode analysis revealed an unusually deep divergence
(maximum pairwise K2P distance of 3.6%; minimum distance between the two inferred clusters of 3.1%)
HAUSMANN ET AL.2 · Zootaxa 2239 © 2009 Magnolia Press
within the Tasmanian specimens of that species. Because these genetic differences were correlated with
morphological features, we conclude that specimens of Oenochroma vinaria from Tasmania are actually a
mix of two different species. This left unresolved questions, including which one of the two species is the true
Oenochroma vinaria, and can the other one be attributed to an already known (perhaps synonymised) or new
taxon. In this paper we solve this taxonomic uncertainty by combining DNA barcodes and traditional
taxonomy in an integrative approach (Dayrat 2005).
Material and methods
Institutional acronyms
ANIC Australian National Insect Collection (CSIRO), Canberra, Australia
BIO Biodiversity Institute of Ontario, Guelph, Canada
CCDB Canadian Centre for DNA Barcoding, Guelph, Canada
MNHN Muséum National d'Histoire Naturelle, Paris
MVMA Museum Victoria, Melbourne, Australia
TASAG Department of Primary Industries and Water, State Government of Tasmania
TMAG Tasmanian Museum and Art Gallery
ZSM Zoologische Staatssammlung München, Munich, Germany
DNA Barcoding
A total of 34 specimens of the “Oenochroma vinaria species-group” (see below under genus
Oenochroma) was processed at the Canadian Centre for DNA Barcoding to obtain DNA barcodes. This
sample contains specimens collected in Tasmania by the authors during the Forum Herbulot 2006 (http://
www.herbulot.de/Herbulot_Reg/for_herb.htm) and specimens collected in the context of the Australian
Lepidoptera DNA barcoding campaign (see also Hausmann et al. 2008). In spite of its age (approx. 150 years
old: description published in 1858), DNA was extracted from a leg fragment of the lectotype of Oenochroma
vinaria (MNHN) in an attempt to recover at least a partial DNA barcode sequence and include it in the genetic
analysis of the species-complex.
DNA barcodes for recently collected specimens were obtained at the CCDB using the standard high-
throughput protocol as described in Ivanova et al. (2006) and Vaglia et al. (2008); regularly updated protocols
used at CCDB can also be found at: http://www.dnabarcoding.ca/pa/ge/research/protocols. Details of the 29
records for O. vinaria and the newly described species, as well as for 2 specimens of O. decolorata Warren,
1896, and 3 specimens of O. pallida Warren, 1898, used as references, are given in Table 1, along with
GenBank accession numbers. Images, GPS coordinates and sequence trace files for each specimen as well as
details on host institution can be obtained from the Barcode of Life Data Systems (BOLD; Ratnasingham &
Hebert 2007; public access projects GZPPT and GZPAO; see also Results for access details). For the type
specimen of O. vinaria, we used a commercial extraction kit (NucleoSpin® tissue kit, Macherey-Nagel,
Düren, Germany) following the kit protocol. The DNA extract obtained was first analyzed by targeting a
mini-barcode of 130bp at the 5’ end of the barcode region (Meusnier et al. 2008). Subsequently, a set of 6
primer pairs were used (detailed protocol to be published; Rougerie pers. obs.) to reconstruct a full-length
barcode by assembling six “mini-barcodes” (see Meusnier et al. 2008, Hajibabaei et al. 2006). Sequences
were analyzed using MEGA4 (Tamura et al. 2007).
Morphological Analysis and Description
Specimens of most taxa of Oenochroma have been examined in ZSM (especially collection Herbulot),
ANIC, TASAG, MVMA, and in the collections E. Friedrich, Jena, and M. Sommerer, Munich. The only
unexamined taxon is Oenochroma unifasciata Holloway, 1979 from New Caledonia, which was, however,
well characterised in its original description and does not have any bearing on the results presented here.
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OENOCHROMA VINARIA SPECIES-COMPLEX REVISED
HAUSMANN ET AL.4 · Zootaxa 2239 © 2009 Magnolia Press
Five females and seven males of the vinaria species-complex sensu stricto were dissected, and further
genitalia preparations were prepared for 17 specimens of other putatively related species from the Australian
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OENOCHROMA VINARIA SPECIES-COMPLEX REVISED
mainland. Adult specimens were dissected for genitalic examination using standard techniques. Body parts
were digested by boiling in a saturated solution of sodium hydroxide for approximately five minutes or until
the body parts were softened. Softened specimens were stored in 80% ethanol. Body scales were removed
with a brush and fine forceps with the exception of diagnostic tufts. Genitalia were usually examined and
described before being mounted onto microscope slides in Euparal. The genitalia were stained with 1%
Chlorazol Black (CY) or 2% Mercurochrom (AH) in 70% ethanol. Genitalia mounts were photographed using
a Nikon Digital Sight system with a DS-L2 camera controller and DS-Fi1 camera head mounted on a Leica
MZ16 stereomicroscope with motorized stage. Final images were produced by stacking approximately ten
images using Combine Z (Hadley 2008). Most images were enhanced to maximise contrast and clarity using
Adobe Photoshop 7.0.
Eggs were obtained from two adult female moths. For a detailed description of adult moth and egg
collection and description methods used here, see Young (2006a). Eggs were measured in three dimensions:
length (L), width (W) and thickness (T) (after Salkeld 1983), using a binocular microscope and an ocular
micrometer. Eggs were photographed using a Wild MPS52 photoautomat camera attached to a Wild M8 zoom
stereo-microscope and at high magnification using an environmental scanning electron microscope (ESEM),
Electroscan Corporation, Wilmington, Massachusetts, U.S.A., located at the Central Science Laboratory,
University of Tasmania. The images and descriptions of eggs presented here are typical of the eggs examined
but as only eggs of a single female were utilized in the description, they may not necessarily reflect
infraspecific variation.
A relative size for the aeropyle was obtained from measuring the maximum length and width, measured in
micrometers directly from the microscope screen. The average length of the aeropyle (in micrometers) was
then divided by the length of the associated egg (in mm) to arrive at a measurement corrected for egg size, the
relative aeropyle size (Young 2006a).
Larvae were reared under laboratory conditions from one adult female (code no. G87, see details below)
on the foliage of Grevillea sp. The rearing and description procedures are given in Young (2008). Different
instars of each species were described and scored from live material, specimens preserved in 80% ethanol,
and colour prints using a Canon EOS 50D camera and Kodak Gold 100 ASA film with infill flash under
natural lighting conditions. Specimens of first, second, and final instar and pupae of each species were stored
in 80% ethanol and kept as voucher specimens at TMAG. Morphological terms follow Stehr et al. (1987), de
la Torre-Bueno (1989), and Scoble (1995). Pupal terminology follows Patocka & Zach (1994) and Nakamura
(1987, 1994).
Results
A total of 28 barcode sequences was obtained from recently collected specimens of the vinaria species-
complex; all but one (see Table 1) were more than 600 bp in length. The two approaches used for the type
specimen of Oenochroma vinaria successfully amplified the short targeted DNA fragments, and yielded a full
length DNA barcode (658 bp) with 20 ambiguous base pair calls within the sequence where poor quality
sequence was obtained at the ends of overlapping PCR fragments, preventing reliable assignment of bases.
The pattern of genetic distances inferred from the barcode analysis of examined Oenochroma species in
the vinaria-complex clearly showed that (see Fig. 1 and Table 2): there are two different mitochondrial
lineages in the Tasmanian Oenochroma vinaria sensu auctorum; the female lectotype of Oenochroma vinaria
is unambiguously part of the most widespread lineage (Tasmania, South Australia, Western Australia, New
South Wales, Queensland); the other lineage is genetically different from all other named and examined
Australian taxa of Oenochroma. Subsequent dissections revealed that this lineage is not confined to Tasmania
but also present in New South Wales; each of these lineages shows low within-lineage genetic divergence,
0.03% and 0.05% respectively.
HAUSMANN ET AL.6 · Zootaxa 2239 © 2009 Magnolia Press
Hence, with the combined evidence from comparative morphological studies (see diagnosis below) and
the DNA barcode results presented above, Oenochroma vinaria can be redefined, and the cryptic Tasmanian/
NSW species hitherto confounded within Oenochroma vinaria sensu auctorum is described below as a new
species.
FIGURE 1. Neighbor joining tree for 34 Australian specimens in the genus Oenochroma (Kimura 2 Parameter, built
with MEGA4; all codon positions unweighted) based on sequences of the mtDNA COI gene (barcoding fragment 5’).
Values above branches are bootstrap support values superior to 95%. Terminals are identified by their process ID code on
BOLD.
Zootaxa 2239 © 2009 Magnolia Press · 7
OENOCHROMA VINARIA SPECIES-COMPLEX REVISED
Genus Oenochroma Guenée, 1858
All 20 species of the genus Oenochroma Guenée, 1858 as listed in Scoble (1999) are distributed in mainland
Australia except one species which is restricted to New Caledonia (Oenochroma unifasciata Holloway, 1979).
From dissections, it is most likely that Oenochroma hieroglyphica (Warren, 1906), which was described from
Papua New Guinea, Mt. Kaindi, is a junior synonym of Oenochroma turneri (Lucas, 1892), described from
Toowoomba near Brisbane. Two species are known to occur both in mainland Australia and in Tasmania:
Oenochroma vinaria and Oenochroma vetustaria (Walker, 1860) (McQuillan 2004). The type species of the
genus, Oenochroma vinaria, boasts the violaceous red "wine" colour ("rose-lie de vin" in the original
description) that may have suggested to Guenée the chosen denominations of the species and of the genus.
Only Oenochroma vinaria and the new species described here are intended to fall in the “vinaria species-
complex.” It is possible that they may group together, phylogenetically, with Oenochroma pallida and
Oenochroma decolorata. However, both the definitions of infrageneric species-groups such as of the whole
genus Oenochroma await an urgently needed major revision. Collection material (ANIC, ZSM, TASAG)
suggests that the genus includes several other undescribed species.
Oenochroma barcodificata Hausmann & Young, sp. nov.
Type material. Holotype:
, ‘TAS[MANIA], Chimney Pot Hill, nr Ridgeway, 20 OCT. 1996, eucalypt forest,
leg. P.B. McQuillan’, coll. TMAG, genit.slide ‘ZSM G 13863’, specimen ID ‘BC ZSM Lep 02948’ [sequence
ID GWORB1068-07]. Paratypes: coll. BIO: 6
♂♀
Australia, Tasmania, Hobart, Kingston Beach, lat. -42.986 x
long. 147.317, alt. 110 m., 02., 11. and 18.XII.2005, 10.X.2006, 27.XII.2006, 22.I.2007, leg. R. D. Ward,
sequence IDs: LOTSA134-06/06-TASA-00134, LOTSA125-06/06-TASA-00125, LOTSA122-06/06-TASA-
00122, LOTSC391-07/06-TASB-01390, LOTSC814-07/06-TASB-01813, LOTSD507-08/07-TASB-0507;
coll. M. Sommerer: 1
, Tasmania sept., vic. Mt. Roland, Silver Ridge Lodge, 41°27’ S / 146°15’ E, 320 m,
25-28.I.2006, leg. M. Sommerer, BC ZSM Lep 08033. coll. ANIC (15
, 16
): 1
‘Mt Wellington 870m
[Tas.] 6 Dec. 1980 L. Hill’; 1
‘43.03S 146.17E Huon Camping Area Tas. 25 Jan 1983 J.C. Cardale’; 1
‘Lake Fenton 1060m Tas. 14 Jan 1978 P.B. McQuillan’ ‘ANIC Genitalia slide 18601’; 1
‘Mt Read nr
Rosebery Tas. 4–5 Dec 1990 P.B. McQuillan’; 1
‘41.51S 145.33E Mt Read Tas. 500m 9 Jan 1989 P.B.
McQuillan E.S. Nielsen’; 1
‘43.25S 146.09E Melaleuca Tas.15 Jan 1991 E.S. Nielsen E.D. Edwards’; 2
‘43.25S 146.09E Melaleuca Tas. 28 Nov 1991 E.S. Nielsen M. Horak’; 1
‘43.25S 146.09E Melaleuca Tas.
25 Nov 1991 E.S. Nielsen M. Horak’; 1
‘43.25S 146.09E Melaleuca Tas. 14 Jan 1991 E.S. Nielsen E.D.
Edwards’; 1
‘43.25S 146.09E Melaleuca Tas. 17 Jan 1991 E.S. Nielsen E.D. Edwards’; 1
‘43.23S 146.08E
Claytons Bathurst Harb. Tas. 16 Jan 1991 E.S. Nielsen E.D. Edwards’; 1
‘Mt Wellington 1000m [Tas.] 8
Dec 1980 L. Hill’; 1
“Mt Wellington 870m [Tas.] 6 Dec 1980 L. Hill’; 1
“42.02S 146.33E 12km NNE
Bronte Park Tas. 20 Jan 1983 J.C. Cardale’; 1
‘42.02S 146.33E 12km NNE Bronte Park Tas. 2 Feb 1983
J.C. Cardale’; 2
“Pensford Tas. 920m [Tas.] 22 Dec 1981 L. Hill’; 1
‘40.58S 148.01E 1km SSE Gladstone
Tas. 29 Jan 1983 J.C. Cardale’; 1
‘Mt Nelson Tas.160m 3 Nov 1979 P.B. McQuillan’; 1
‘41.51S 145.33E
Mt Read 500m Tas.9 Jan 1989 P.B. McQuillan E.S. Nielsen’; 1
‘43.25S 146.09E Melaleuca Tas. 14 Jan
1991 E.S. Nielsen E.D. Edwards’; 1
‘43.23S 146.08E Claytons Bathurst Harb. Tas. 16 Jan 1991 E.S.
Nielsen E.D. Edwards’; coll. TMAG: 1
‘Tas. Pt. Sorell. Tas. U. V. L. 14.x.1988 L. Hill’ ‘Registration No.
F4702’ ‘TMAG genitalia slide F4703’; 1
‘41°52’S 146°30’E TAS. Central Plateau L. Augusta to L. Ada
1150 m 3 FEB. 1994. P. B. McQuillan uvl’ ‘Registration No. F4704’ ‘TMAG genitalia slide No. F4705’; 1
‘41°52’S 146°30’E TAS. Central Plateau L. Augusta to L. Ada 1150 m 3 FEB. 1994. P. B. McQuillan uvl’
‘Registration No. F4706’ ‘‘TMAG wing slide No. F4707’; 1
‘S.W. TAS. 12 Trees Hill (Strathgordon) U.V.L.
17.xi.1989. T. Semmens’ ‘Registration No. F4708’ ‘TMAG genitalia slide F4709’; 1
‘40°6’8.53”,
148°0’15.07” Bluff Rd. Whitemark Flinders Is. Tas. 31 Oct. 2008 C. J. Young U.V.L’ . ‘Registration No.
F4710’; 1
‘41°11’5”, 146°19’5” Stony Rise Centre, Devonport. Tas. 23–29 Sept. 2004 L. Hill’; coll. ZSM:
HAUSMANN ET AL.8 · Zootaxa 2239 © 2009 Magnolia Press
1
S.W. TAS. 12 Trees Hill (Strathgordon) U.V.L. 17.xi.1989. T. Semmens’ ‘Accession No. 104062’; 1
‘Mt
Wellington 870m [Tas.] 12V UV 3 Nov. 1981 L. Hill’; 2
‘40°6’8.53”, 148°0’15.07” Bluff Rd. Whitemark
Flinders Is. Tas. 31 Oct. 2008 C. J. Young U.V.L’ . ‘Accession Nos 104058, 104060’.
Other material examined: New South Wales, coll. ANIC (all excluded from the type series): 1
‘Newnes S[tate].F[orest]. [NSW] 20 Nov 1993 J.C. Keast’; 1
‘36.28S 148.27E Rangers Stn 6km NE by E
Thredbo NSW 1260m 6 Jan 2002 E.D. Edwards’; 1
‘36.23S148.25E 1.5km NNW Smiggin Holes
NSW1700m 9 Jan 2002 E.D. Edwards’; 1
‘36.23S 148.25E Saddle 2km NW Smiggin Holes Kosciusko Nat.
Pk 1680m 23 Jan 1987 E.D. Edwards’; 1
‘1.3 km E of Island Bend NSW 1158m 30 Nov 1970 I.F.B.
Common J.S. Dugdale’; 2
‘36.23S 148.22E Guthega Village Kosciusko N.P. 1700m [NSW] 24 Jan 1987
E.D. Edwards’, one with ‘ANIC genitalia slide 18603’; 1
‘36.23S148.25E Saddle 2 km NW Smiggin Holes
Kosciusko N.P. 1680m [NSW] 23 Jan 1987 E.D. Edwards’.
Description. Wingspan
♂♀
42–47 mm. Habitus and external characters (Figs. 2–3): Forewing apex
tapered, termen convex. Hindwing termen straight, angled at apex and tornus. Ground colour variable, usually
purplish with dark suffusion and with blackish dotting of forewing costa. Fringe crimson. Antemedial line of
forewing vague, at costa usually well marked by a costal spot. Postmedial line of forewing almost straight but
slightly undulating, ochre with dark grey dots basally, obliquely leading into forewing apex. Border of
postmedial line on the hindwing more violet and forked towards costa. Forewing apex with blackish fringe.
Cell spots slightly elongate, black, with small hyaline filling. Underside of forewing with a large, round dark
violet spot close to the inner termen at 2/3, i.e. at the position of the dotted postmedial line. Underside of
hindwing with large white and grey speckled spot close to the costa at 2/3, i.e. at the position of the dotted
postmedial line. Palpi, frons, and vertex concolorous with ground colour. Frons flat. Palpi at upperside of tip
with dark grey scales, last segment narrow, length of palpi ca 1.5 times diameter of eye in both sexes.
Proboscis well developed. Antennal flagellum thick in both sexes, male antennae unipectinate to 2/3 of length,
female antennae filiform. Frenulum strong in
, absent from
. Wing venation, forewing: R separate from Rs,
anastomosing with Sc for a short distance in the forewing, R2–5 stalked. Hindwing: M2 located at mid-point
between M1 and M3. Hindleg with four very short spurs in both sexes. Ansa narrow at the base, widening
mesally, tapering apically. Last abdominal segment with extremely large interior coremata.
genitalia (Fig.
8): Uncus long, narrow. Gnathos slender; medial process broad, sub-acute posteriorly, posterior surface
covered with rows of short, broad spicules. Juxta large, well-sclerotised, divided. Saccus broad rectangular,
with central invagination. Costa of valva sclerotised, setose. Valva asymmetrically adorned with subapical
processes on ventral margin: left valva with single, large, sclerotised subapical, flattened, acute process, right
valva with two short, broad processes. Aedeagus comparatively broad; vesica well sclerotised posteriorly,
with longitudinal ridges; long narrow sclerotised process attached anteriorly, no discrete cornuti; caecum long,
slender, tapered.
genitalia (Fig. 10): Apophyses anteriores, posteriores long, slender. Lamella postvaginalis
membranous. Lamella antevaginalis poorly developed. Sternum A7 slightly sclerotised. Ductus bursae short,
close to corpus bursae strongly sclerotised, towards antrum dilating. Corpus bursae with strong anterior and
posterior dilatations, constricted between; posterior half sclerotised, strongly ridged; anterior half
membranous, plicate. Signum absent.
Morphological diagnosis (most congeners illustrated in BOLD (2008)): Oenochroma vinaria in habitus
and external characters (Figs. 4, 6) very close to Oenochroma barcodificata and externally only distinguished,
usually, by the straighter postmedian fascia of the forewing, often with a continuous dark proximal border.
Dark suffusion of ground colour and blackish dotting of forewing costa usually reduced. Oenochroma pallida
Warren, 1898 differs from both Oenochroma barcodificata and Oenochroma vinaria at once by the fore tibiae
having an anterior apical hook (cf. Prout 1910, Turner 1932), and by the ochreous brown fringe of wing
termen, the larger forewing cell spot on a paler ground colour, inner termen of hindwing underside with a
narrow, dark spot; Oenochroma orthodesma Lower, 1894 has pale ochreous grey ground colour and ochreous
fringe, an ochreous postmedian line edged anteriorly with pale yellow, the (ochreous) discal dots mostly
wanting, hindwing at apex with pink suffusion and no spot on underside; Oenochroma decolorata Warren,
1896, has grey forewings with fine brown irroration and purplish fringe, and a pale ferruginous postmedial
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OENOCHROMA VINARIA SPECIES-COMPLEX REVISED
FIGURES 2, 3. Oenochroma barcodificata sp. nov.,
holotype, Tasmania. 2: dorsal view. 3: labels (photos AH). Scale
bar 2 cm.
HAUSMANN ET AL.10 · Zootaxa 2239 © 2009 Magnolia Press
FIGURES 4, 5. Oenochroma vinaria,
lectotype of Guenée (photos RR/AM). 4: dorsal view. 5: labels (photos AM,
RR). Scale bar 2 cm.
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OENOCHROMA VINARIA SPECIES-COMPLEX REVISED
FIGURES 6, 7. Oenochroma vinaria,
lectotype of Monoctenia decora Wlk. 6: dorsal view. 7: labels (photos Peter
Marriott and Peter Lilywhite, MVMA, Melbourne, Australia).
HAUSMANN ET AL.12 · Zootaxa 2239 © 2009 Magnolia Press
FIGURES 8. Male genitalia. Oenochroma barcodificata sp. nov., Tasmania (paratype TASAG Accession No. 104048)
(photo CY). Scale bars 2 mm.
fascia on both wings; Oenochroma phyllomorpha Lower, 1899 is of light brown ground colour, the forewing
postmedial line is sinuate, fringe fuscous, and the cell spot lacking; Oenochroma cycnoptera Lower, 1894 has
anterior tibiae with a strong apical hook (cf. Turner 1932), a very faintly ochreous postmedian line not
reaching apex of forewing, fringe pale brownish, hindwings pale, without pattern and with whitish fringe; the
New Caledonian Oenochroma unifasciata Holloway, 1979, is broad-winged, without discal dots to the
forewing.
Molecular diagnosis (see Fig. 1 and Table 2): DNA barcode analysis revealed a 3.34% K2P divergence
between Oenochroma vinaria and O. barcodificata. Each species displays a very low mean intraspecific
variation, with 0.05% (SE=0.03%, maximum distance of 0.33%) and 0.03% (SE=0.03%, maximum distance
of 0.15%) for O. vinaria and O. barcodificata respectively and are thus unambiguously characterized by their
DNA barcodes.
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OENOCHROMA VINARIA SPECIES-COMPLEX REVISED
FIGURES 9. Male genitalia. Oenochroma vinaria, Tasmania (genitalia from slide TMAG F4720; aedeagus from
gen.prp. ZSM G 13969) (photo CY/AH). Scale bars 2 mm.
Distribution. Recorded in south-eastern and northern parts of Tasmania at altitudes from 0 to 870 m
above sea-level, probably distributed all over the island. Further material from the central and southern
tablelands of New South Wales dissected (T Edwards) but excluded from the type series to maintain
geographical homogeneity in the type material.
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FIGURES 10, 11. Female genitalia. 10: Oenochroma barcodificata sp. nov., Tasmania (paratype, DNA barcode
LOTSA125-06/06-TASA-00125) (photo CY). 11: Oenochroma vinaria, South Australia (gen. prp. ZSM G 13864)
(photo AH). Scale bars 2 mm.
TABLE 2. Oenochroma vinaria species-group. Genetic distance calculations. A: intraspecific mean K2P divergences; B:
interspecific mean K2P divergences. Standard error estimate(s) were obtained by a bootstrap procedure (1000 replicates).
continued.
Amean distance standard error maximal distance sample size
O. vinaria 0.05% 0.03% 0.33% n=20
O. barcodificata 0.03% 0.03% 0.15% n=9
O. pallida 0.00% n=3
O. decolorata 0.15% n=2
Bmean distance standard error minimal distance
O. vinaria vs O. barcodificata 3.34% 0.65% 3.1%
O. barcodificata vs O. pallida 5.35% 1.17% 5.2%
O. barcodificata vs O. decolorata 6.31% 1.02% 6.2%
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OENOCHROMA VINARIA SPECIES-COMPLEX REVISED
FIGURE 12. Egg of Oenochroma barcodificata. sp. nov. freshly laid egg, scale bar 1 mm. (photo CY)
Biology and morphology of immature stages.
Egg: Marked on all surfaces by round to hexagonal, concave cells with broad walls (Figs 13, 15–18),
micropylar cell walls narrow (Fig. 14). Aeropyles, slightly elevated, openings very small (Fig. 16), present on
all surfaces apart from top of wider lateral side (Fig. 17). Micropylar cells slightly recessed. Micropyles
offcentred (Fig. 13). Chorion undulating, irregularly pitted (Figs 16–18). Colour: Off-white (Fig. 12),
becoming irregularly blotched rust-red, then transparent grey on maturity. Size (mm): (n= 4) L = 1.01 ± 0.01
(SE), W = 0.82 ± 0.01 (SE), T = 0.69 ± 0.01 (SE). Width/length: 0.81. Aeropylar opening size (micrometers)
(n=10): L = 1.44 ± 0.07, W = 1.08 ± 0.04; relative aeropylar opening size [aeropyle length (micrometers)/egg
length (mm)]: 1.4. Micropyles (Figs 13, 14): distinct; no. of openings: 6; no. of cells in rosette: 9; no. of rows
of cells in micropylar area: 5. Shape: Broad, bluntly ovoid, dorso-ventrally flattened, anterior pole angled to
horizontal axis (Figs 12, 13, 15).
Oviposition: 2
♀♀
code nos.: G87, G307. Oviposition period: 26 Sept.–31 Oct. Batch size range: 5–60 (n
= 2). Realised fecundity (range): 4–60. Incubation time (days): 9. Batch configuration and attachment:
Attached, singly.
Larval description. First instar (newly emerged): Head capsule width: 0.53 ± 0.03 mm (SE) (n=4). Head
ground colour burnt yellow with chevroned dark-brown blotches, mouthparts lighter in colour, stemmata
black, frons convex. Thorax and abdomen ground colour cream, except A6-A10 yellow, with numerous
longitudinal wavy, dark brown stripes; posterior third of each segment, except A6-A10 and thoracic segments
white; thoracic stripes less dense; venter dark chocolate brown. Thorax and abdomen becoming a uniform
chocolate brown broken by numerous thin, wavy cream stripes after feeding. Setae very short, white, blunt on
small dark brown pinacula on small raised black tubercles. Thoracic legs white with sparse dark brown spots.
Prolegs on A5, A6, A10, rudimentary on A5. Spiracles very small, brown. Anal shield, no stripes, yellow with
sparse orange streaks. Crochet arrangement, incompletely interrupted mesoseries. Resting position about 30°
from substrate.
HAUSMANN ET AL.16 · Zootaxa 2239 © 2009 Magnolia Press
FIGURES 13–18. Egg of Oenochroma barcodificata. sp. nov. 13: anterior pole, scale bar 300 micrometers. 14:
micropylar area, scale bar 200 micrometers. 15: whole egg, scale bar 1 mm. 16: aeropyles, scale bar 35 micrometers. 17:
chorion on middle top of egg, scale bar 50 micrometers. 18: lateral chorion, scale bar 500 μm. (photos CY).
Zootaxa 2239 © 2009 Magnolia Press · 17
OENOCHROMA VINARIA SPECIES-COMPLEX REVISED
FIGURE 19. Oenochroma barcodificata sp. nov. mature larva on Grevillea sp. Scale bar 10 mm (photo CY)
Second instar: Head capsule width: 0.91 ± 0.01 mm (SE) (n=7). Head ground colour light yellow with
dark-brown blotches, dorso-lateral orange stripes, mouthparts pale brown, stemmata black, frons convex.
Thorax and abdomen ground colour dark brown, broken by numerous longitudinal, narrow wavy, white
stripes, venter smoky brown. A1 with dark brown spot on dorso-lateral line adjacent to anterior margin,
directly adjacent and anterior to burnt orange blotch directly ventral to mid-dorsal line; A3 with two small
orange blotches directly adjacent to mid-dorsal line, about one third segment length from posterior margin in
some specimens, venter with black speckles. Setae very short, black, blunt on small dark brown pinacula on
small raised black tubercles. Thoracic legs white with small brown blotches. Prolegs on A5, A6, A10,
rudimentary on A5, same ground colour as body. Spiracles small, cream, peritremes black. Anal shield, same
ground colour as body.
Third instar: Head capsule width: 1.48 ± 0.03 mm (SE) (n=5). Head ground colour cream with chevroned
black blotches dorsally just lateral of mid-dorsal line, becoming two large circular, black blotches with orange
centres, just posterior of frontoclypeus, dorso-lateral orange stripes, frontoclypeus pale brown streaked with
black and brown, other mouthparts pale brown; stemmata black, frons convex. Thorax and abdomen ground
colour cream, broad, dense-grey mid-dorsal band, centred by narrow white stripe connecting mid-segmental
diamond shapes, thin wavy, grey stripes on rest of dorsum becoming yellowish-brown laterally. A1 with
medial horn-like protuberances just lateral of mid-dorsal line, apex with black pinacula and setae, colour burnt
orange with diagonal yellow stripe extending from mid-dorsal line to apex, black velvety blotch just anterior
of protuberance at dorso-lateral position; similar small protuberances on A3. A8 D1 pinacula large, raised,
bright burnt orange, venter paler from A3 to A10. Setae short, black, blunt, longer, transparent on venter A6-
10. Thoracic legs cream with small black blotches. Prolegs on A5, A6, A10, rudimentary on A5, same ground
colour as body. Spiracles pale brown, peritremes black. Anal shield, same ground colour as body.
Fourth instar: Head capsule width: 2.31 ± 0.04 mm (SE) (n=4). Head ground colour light orange-brown
mottled heavily with dark orange-brown, lighter stripes extend from mid-dorsal line to frons, becoming
lighter and wider anteriorly, mouthparts pale brown, stemmata black, antennae brown; frons convex. Thorax
and abdomen ground colour light brown, scattered sparsely with small white spots; dorsal band white
HAUSMANN ET AL.18 · Zootaxa 2239 © 2009 Magnolia Press
speckled with black, on thoracic segments band is defined loosely by lines of black spots, on abdominal
segments band is constricted at segment margins and bulges at segment centres; large fleshy horn-like dorso-
lateral protuberances on A1 just posterior of middle of segment, protuberances on A2 similar to A1 but
smaller, apices of protuberances mottled orange-brown, large orange blotch mottled yellow, just anterior of
protuberances, not extending laterally ventral of protuberances; venter pale brown speckled black; D1
pinacula on A8 on bright orange protuberances. Thoracic legs pale brown with sparse small black blotches.
Prolegs on A5, A6, A10, rudimentary on A5, same ground colour as body. Spiracles orange, peritremes black,
on white blotched with grey large spot.
Fifth instar (Fig. 19): Head capsule width: 3.78 ± 0.03 mm (SE) (n=4). Length: 45–50 mm (n=3). Similar
to 4th instar, except for the following. Head ground colour pinkish brown with faint orange marbling,
mouthparts pale brown, stemmata black, antennae reddish brown; frons convex. Thorax and abdomen ground
colour light brown, scattered sparsely with small white spots; dorsal stripe light brown speckled with small
black spots, two lines of small white spots circled in black define dorsal stripe on abdominal segments. Two
large fleshy dorso-lateral protuberances on A1, apices black anteriorly, yellow posteriorly, horns preceded by
large mid-dorsal yellow blotch narrowing anteriorly to A1 anterior margin; relatively smaller protuberance on
A3 similar to protuberance on A1. Venter pale brown blotched dark brown, white between A6 –A10. D1
pinaculi on A8 on bright orange protuberances. Black spots surround pinaculi of sub-dorsal setae. Setae short,
pale brown, blunt. Thoracic legs pale brown with sparse small black blotches. Prolegs on A5, A6, A10,
rudimentary on A5, same ground colour as body. Spiracles orange, peritremes black. Chaetotaxy: trisetose SV
setae on A1; SV1, SV3 and V1 setae on A1 unaligned; three lateral setae on A6 proleg.
Pupa. Length:
%
23, 24 mm;
&
, 24, 25 mm. Width:
%
7, 7 mm;
&
, 6, 8 mm. Colour: reddish-brown on
maturity; wings duller than shiny abdomen. Silken cocoon constructed from soil, debris and body fluids. Pupa
large, stout. Labrum sub-trapezoidal, slightly convex, well-defined. “Mandibles” flat, rugose, margin between
labrum and “mandibles” broadly ridged. Labial palpus large, pentagonal, rugose. Border between genae,
maxilla less steep than that between oculus and pro-leg; border between pro-tibia and antenna about same
length as border between pro-tibia and oculus. Pro-tibia same length as mid-tibia. Pro-femora not visible, Pro-
tibia meets maxilla at 2/3 length of maxilla, mid-tibia meets maxilla at 5/6 length of maxilla, antenna broad,
almost reaches apex of maxilla, hind-leg barely visible. Hindwing becoming concealed at A4. Meta-notum
short. Wing-bud callosity pronounced. Thoracic spiracles not visible, spiracles visible on A2-A8, poorly
developed on A8; elliptical, elevated, pre-spiracular slit visible. Punctation on A1-A8, punctures small,
shallow, numerous on A2-a7, sparse on A1, A8; randomly arranged, uniformly sparse on venter. Setae very
short. Anal area large, anal slit bordered by longitudinal furrows. Male genitalia area, simple longitudinal slit.
Cremaster, long , slender, roughly trigonal, posterior third, very rugose; one pair of terminal, robust, hamate,
long, parallel setae, directed ventrally; pronounced dorsal and lateral grooves, six pubescent teeth on anterior
margin of A10.
Larval hostplants. Reared on Grevillea sp. (Proteaceae).
Etymology. The species name refers to the barcoding campaign for Australia, and especially the fact that
the new species could be distinguished by DNA barcoding without the need for dissecting (and thus
damaging) an antique type specimen.
Oenochroma vinaria Guenée, 1858, redefined
Oenochroma vinaria Guenée, 1858: in Boisduval & Guenée, Hist. nat. Insectes (Spec. gén. Lépid.) 9: 185, pl. 7, fig. 2.
Syntypes 2
1
(MNHN), lectotype
designated by Viette (1950) using the term ‘type’ (cf art. 74.5, Code ICZN
1999), Nouvelle Hollande [Australia], Barcode no. BC-MNHN 0007 (Figs 4, 5). One further paralectotype,
mentioned in Viette (1950) as ‘paratype’, could not be traced in MNHN and may be lost or destroyed.
Monoctenia decora Walker, 1869: Charact. Undescr. Lepid. Heterocera: 76 (Australia, not exactly specified, but very
likely ‘Victoria’ (TE)). Syntype(s)
(MVMA). At MVMA only one syntype could be traced, which is designated
herewith as lectotype (cf. Figs 6, 7), in accordance with Article 74.7.3 of the Code (ICZN), in order to define the
Zootaxa 2239 © 2009 Magnolia Press · 19
OENOCHROMA VINARIA SPECIES-COMPLEX REVISED
herewith presented synonymy. Synonymization with true vinaria (cf. McQuillan & Edwards 1996, Scoble 1999) is
supported by the straight postmedial line of the forewing, and structure of genitalia (examination by CY).
Redescription. Wingspan 40–50 mm. Habitus and external characters (Figs. 4, 6) very close to Oenochroma
barcodificata. Ground colour variable, usually wine-red, sometimes brown or sand colour. Postmedial fascia
of the forewing straight, often with a continuous dark proximal border. Dark suffusion of ground colour and
blackish dotting of forewing costa usually reduced. Tasmanian populations of Oenochroma vinaria are
characterised by a darker ground colour than in the nominotypical continental populations. It is worth noting
that the figure in Boisduval & Guenée is too drab and not enough rosy as Guenée himself asserts in the
original description.
genitalia (Fig. 9): Uncus slightly longer and narrower than in Oenochroma
barcodificata. Valvae broader. Process of left valva slightly larger. Right valva without the two spines arising
from the edge subapically but with vestigial spinules on the inner surface of valva. Tip of aedeagus narrower
than in Oenochroma barcodificata. Sclerite of vesica much smaller.
genitalia (Fig. 11): Differing from those
of Oenochroma barcodificata in the strong sclerotisation of corpus bursae at the junction with the ductus
bursae. Anterior and posterior dilatations of corpus bursae less pronounced.
Distribution. Tasmania and mainland Australia, widely distributed from Murchison River in West
Australia through South Australia, Victoria and New South Wales to the Atherton Tableland in northern
Queensland.
Biology. Larvae of ‘O. vinaria’ are recorded as feeding on various species of the Proteaceae genera
Hakea, Grevillea and Banksia (McFarland 1988. Herbison-Evans & Crossley 2006; T. Edwards pers. obs.),
for details see McFarland (1988). All these data refer to populations outside the known range of the sister
species O. barcodificata, and for material from the host-plant genera Hakea, and Grevillea species identity as
O. vinaria could be verified definitely (T. Edwards).
Remarks. Both McFarland (1988) and Herbison-Evans & Crossley (2006) highlight the large variability
of larvae in colouration and even in shape e.g., length of fleshy dorsal appendages on segment A3. Further
research is needed to examine if this variation refers to the presence of different taxa also in South Australia
and Victoria.
The following illustrations in the literature refer to true O. vinaria after re-examination: McFarland (1988:
157), Common (1990: pl. 10, fig. 12; pl. 26, fig. 10), Coupar & Coupar (1992: 48), Zborowski & Edwards
(2007: 143), Daley (2007: 194), Richardson (2008: 19), Willan (2008).
Unipectinate antennae, although rare in the Geometridae, are characteristic of Proteaceae-feeding
oenochromines (Scoble & Edwards 1990). Oenochroma vinaria, O. barcodificata and other Oenochrominae
s. str. possess two wing venational characters usually present in Geometrinae: R separate from Rs and
anastomosing with Sc for a short distance in the forewing and R2–5 stalked in the forewing (Young 2006b).
Also, the ansa is similar to the geometrine type i.e., narrow at the base, widening mesally and again tapering
apically, and is not the more typical tapering ansal morphology characteristic of Oenochrominae s. l. (Cook &
Scoble 1992). As in the Geometrinae, the caecum of the aedeagus is long, slender and tapered and cornuti are
reduced, tending not to be discrete rods and spines (Young 2006b). Similar aedeagus characteristics are found
in the Australian oenochromine s. str. Monoctenia falernaria Guenée, 1858 (Young 2006b). This apparently
close relationship between the Oenochrominae s. str. and the Geometrinae is also supported by molecular data
(Young 2006b, Yamamoto & Sota 2007). The mature larva of O. barcodificata was exceptional among other
geometrids examined in a study of Australian Geometridae by Young (2006b) by possessing trisetose SV
setae on A1. The bifurcate cremastral spines, punctation, dorsal and lateral grooves and mesothoracic
spiracles described in O. barcodificata here were also noted in the oenochromines Arhodia lasiocamparia,
Guenée, 1858, Monoctenia falernaria Guenée, 1858, M. smerintharia Felder & Rogenhofer, 1875,
Dinophalus drakei (Prout, 1910), Hypographa Guenée, 1858, Parepisparis lutosaria (Felder & Rogenhofer,
1875) and Phallaria ophiusaria Guenée, 1858 (McFarland 1988).
HAUSMANN ET AL.20 · Zootaxa 2239 © 2009 Magnolia Press
Acknowledgements
We thank Joël Minet (MNHN) for rapid response to our request for a leg from the type specimen of O.
vinaria. Further samples of Oenochroma specimens that were included in BOLD came from ANIC (M.
Horak; T. Edwards), the Biodiversity Institute of Ontario (P. Hebert, Bob Ward (CSIRO)), and from Ian
McMillan. Digital photographs of Oenochroma type specimens were provided by Peter Marriott and Peter
Lilywhite (both MVMA, Melbourne, Australia). The careful processing of the material by the CCDB team
(University of Guelph) is also gratefully acknowledged. Funding for this research was provided by grants
from NSERC to PDNH.
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In recent years, the study of wild silkmoths (Lepidoptera: Saturniidae) has increased exponentially due to the intense sampling effort and the use of molecular evidence for species delimitation, which led to the description of numerous new taxa especially from the Neotropic. Given these rapid advances, the checklist of the Colombian Saturniidae needs to be updated to cover the taxonomy, distribution, and diversity of these moths in the country. After an extensive review of literature, data repositories, and collections, an updated and comprehensive list of Saturniidae from Colombia is presented, including their occurrence status in each Colombian department. The checklist includes 7 subfamilies, 55 genera, and 790 taxa (766 in species rank) of Saturniidae in Colombia. Current distribution data show that the genus Winbrechlinia , the subgenus Darylesia, 379 species, and 18 subspecies are endemic to Colombia. Moreover, a dichotomic key to the Colombian subfamilies is provided. A few taxonomic changes are proposed based on a thorough taxonomic revision of the Colombian taxa. This revision also addresses the issue of outdated species names reported in the first checklist of Colombian Saturniidae (Amarillo-Suárez 2000) and excludes old records of taxa that are considered dubious for Colombia based on new evidence. By presenting an updated list of Colombian species, including the newly described taxa, this study aims at eliminating confusion stemming from outdated names and provides a useful resource for researching and conservating Saturniidae in Colombia. We wish to offer a common reference for future studies on the biodiversity and biogeography of moths in the Neotropical realm.
... for filtering, cleansing, assembling and aligning the paired-end reads produced with this approach. We also processed at SSM one of the original syntypes of T. devylderi preserved at NHRS; because this specimen was collected in the second half of the 19th century, we used a dedicated laboratory protocol targeting shorter DNA fragments as in Hausmann et al. (2009). DNA was extracted using DNeasy extraction kits (Qiagen) for blood and animal tissues and then amplified using six different primer pairs as described in Lees et al. (2010). ...
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Described from Namibia, Trichophiala devylderi Aurivillius, 1879 is a species for which, apart from the original description of female “types”, little is known. Building upon recent observations in the field, investigations in various museums that preserve specimens, and a review of the literature, we describe for the first time the habitat, the known distribution, the morphology of both sexes including the presence of two phenotypes, and the genitalia of both male and female. We also provide genetic information from several specimens that reveal little variation in the standard animal DNA barcode. Finally, we designate a lectotype among the three specimens preserved at the Naturhistoriska Riksmuseet, Stockholm, Sweden.
... This enormous number is mainly due to DNA studies (Hebert et al. 2003, Padial et al. 2010. Despite being controversially discussed (Will and Rubinoff 2004, Peigler 2013), DNA barcoding is now widely recognized as a tool for revealing cryptic Lepidoptera species (Decaëns and Rougerie 2008, Vaglia et al. 2008, Gibbs 2009, Hausmann et al. 2009, Van Velzen et al. 2009, Decaëns et al. 2021. Today integrative taxonomy combines morphological features, geographic distribution, and COI barcode studies (Silva-Brandão et al. 2009 provide an extensive review on the subject) and nuclear markers to increase resolution (Rougerie et al. 2012). ...
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An updated and comprehensive checklist of wild silkmoths (Lepidoptera: Saturniidae) from Colombia is presented, including their occurrence status in each Colombian department. In Colombia, there are a total of 6 subfamilies, 55 genera, and 602 species of Saturniidae. Current distribution data shows that one genus and 310 species are endemic to Colombia. As a result of the description of many new species for the neotropics, some species names presented in the first checklist of Colombian Saturniidae (Amarillo-Suárez 2000) are obsolete. The following taxa, hitherto treated as subspecies, are raised to species status: Arsenura lemairei Racheli & Racheli, 1998 stat. nov. from A. thomsoni Schaus, 1906; Copiopteryx banghaasi Draudt, 1930 stat. nov. from C. semiramis (Cramer, 1775); and Rhescyntis norax Druce, 1897 stat. nov. from R. hippodamia Druce, 1897. A new combination is proposed in this context: Copiopteryx banghaasi andensis (Lemaire, 1974) comb. nov. In addition, Bathyphlebia aglia gschwandneri Schawerda, 1925 stat. nov. is removed from its synonymy with B. aglia Felder & Felder, 1874 and here treated as a subspecies of the latter. Furthermore, Rothschildia equatorialis bogotana Rothschild, 1907 stat. rev., comb. nov. is reinstated as a subspecies, but now from equatorialis Rothschild, 1907 and not from orizaba (Westwood, 1853). The following taxa are recognized as new synonyms: Rhescyntis hippodamia colombiana (Bouvier, 1927) syn. nov. of Rhescyntis norax Druce, 1897, Therinia transversaria columbiana (Jordan, 1924) syn. nov. of Therinia transversaria (Druce, 1887), and Rothschildia arethusa rhodina Jordan, 1911 syn nov. of Rothschildia arethusa (Walker, 1855). Old records of taxa that recently could not be found in Colombia have been removed due to new evidence. The purpose is to avoid confusion with old names and provide an updated list of Colombian species, including many recently described taxa.
... It is common practice with Lepidoptera type specimens to use one leg for DNA extraction without destruction of the leg [80][81][82][83][84]. The results of these approaches vary greatly, between 0.01 and 2.5 ng/μl [80,81,85,86]. As only concentrations, but no extraction volumina or total DNA amounts are given in these studies, comparison of extracted DNA is only vaguely possible. ...
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Here we present and justify an approach for minimal-destructive DNA extraction from historic insect specimens for next generation sequencing applications. An increasing number of studies use insects from museum collections for biodiversity research. However, the availability of specimens for molecular analyses has been limited by the degraded nature of the DNA gained from century-old museum material and the consumptive nature of most DNA extraction procedures. The method described in this manuscript enabled us to successfully extract DNA from specimens as old as 241 years using a minimal-destructive approach. The direct comparison of the DNeasy extraction Kit and the Monarch® PCR & DNA Clean-up Kit showed a significant increase of 17.3-fold higher DNA yield extracted with the Monarch Oligo protocol on average. By using an extraction protocol originally designed for oligonucleotide clean-up, we were able to combine overcoming the restrictions by target fragment size and strand state, with minimising time consumption and labour-intensity. The type specimens used for the minimal-destructive DNA extraction exhibited no significant external change or post-extraction damage, while sufficient DNA was retrieved for analyses.
... In addition, although the ML analysis included sequences of only three species of Ithome, the clusters in which the sequences of I. tamarugensis and I. tiaynai were reciprocally grouped were highly supported by bootstrap (Fig. 1), and the genetic distance between the two species using the COI marker is comparable to those reported for other morphologically close species of Lepidoptera (e.g. Hausmann et al. 2009;Matson and Wagner 2017;Ullah et al. 2017;Müller 2018;Pfeiler et al. 2018). Accordingly, although very preliminarily, the genetic analysis also provides evidence in support of a close evolutionary relationship between the two Chilean species of Ithome. ...
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Morphology and DNA barcode sequences were used to assess the taxonomic status of a micro-moth of the genus Ithome Chambers, 1875 (Lepidoptera, Cosmopterigidae, Chrysopeleiinae), whose larvae feed on inflorescences of Prosopis tamarugo Phil. (Fabaceae), a tree native to the Pampa del Tamarugal, Atacama Desert, northern Chile. As a result, Ithome tamarugensis Vargas, sp. nov. is described and illustrated. Its genitalia are remarkably similar to those of Ithome tiaynai Vargas, 2004 from coastal valleys of the Atacama Desert. However, the two species can be recognized by the shape of the phallus in males and the shape of the antrum and ductus bursae in females. The genetic distance between DNA barcodes of I. tamarugensis and I. tiaynai was 3.0–3.3% (K2P), and a maximum likelihood analysis indicated that they are in reciprocally monophyletic clusters, providing additional support for the heterospecific status suggested by morphology.
... DNA Barcodes have helped with the discovery of overlooked "cryptic" species in species complexes with similar external features (e.g. Hausmann et al. 2009;Schmidt 2009;Huemer et al. 2014a;Mally et al. 2015;Zlatkov & Huemer 2017). However, a number of cases of deep genetic Barcode divergence or Barcode paraphyly have been reported that do not correspond with genetic divergence of nuclear, and therefore diploid, genes and other features including morphology (for Lepidoptera e.g. ...
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The Iberian species of the genera Coscinia Hübner, [1819] and Spiris Hübner, [1819], as well as three other species from the Mediterranean area, are revised based on morphological and molecular genetic data. Our results suggest the separation into four morphologically and phylogenetically different genera: Coscinia Hübner, [1819], Lerautia Kemal & Koçak, 2006 stat. rev., Sagarriella Macià, Mally, Ylla, Gastón & Huertas gen. nov. and Spiris Hübner, [1819]. We conclude that there are eight species of the Coscinia genus group present in the studied area: Coscinia cribraria (Linnaeus, 1758), Coscinia chrysocephala (Hübner, [1810]) stat. rev., Coscinia mariarosae Expósito, 1991, Sagarriella libyssa caligans (Turati, 1907) comb. nov., Sagarriella romei (Sagarra, 1924) (= romeii sensu auctorum) comb. nov., Spiris striata Hübner, [1819], Spiris slovenica (Daniel, 1939) and Lerautia bifasciata (Rambur, 1832) comb. rev. We consider Coscinia cribraria benderi (Marten, 1957) stat. nov., Coscinia c. rippertii (Boisduval, 1834) and Coscinia c. ibicenca Kobes, 1991 stat. rev. to be subspecies of C. cribraria. COI Barcodes of C. cribraria diverge by up to 7.99%, and the investigated specimens group into six different COI Barcode BINs. Both the phylogenetic analysis of mitochondrial and nuclear DNA and the morphological examination of different specimens corroborate the changes in taxonomic status and justify the proposed taxonomic categories. We present images of adults and genitalia of both sexes, the immature stages of some of the species and the subspecies studied, as well as phylogenetic results from the analysis of genetic data. We also include data on life history, foodplants and geographical distribution.
... For example, utilizing thess types of material, researchers recently revealed some remarkable instances of phenotypic or genotypic change over short timescales (years) in response to strong selective pressures [36,37]. Among the many opportunities provided by combining genomic and morphological data from the same specimens, most earlier studies have focused upon the DNA fragment size of biological collections, species delimitations, thus facilitating the deduction of phylogenetic associations and the construction of DNA barcode sequence libraries for DNA-based identifications [38][39][40][41][42][43][44][45][46][47][48][49][50]. ...
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The gypsy moth, Lymantria dispar, is among the most destructive quarantine pests of forests. Here, we reconstructed the genetic structure and determined the population differentiation of gypsy moths across its distribution range at different times. This information could be used to both improve the prevention and detection of gypsy moths in the field. Using 31 newly designed species-specific primers targeting fragments of 216–1102 bp, we identified 103 full-length cytochrome oxidase subunit I (COI) gene sequences from eight fresh samples and 95 L. dispar specimens collected between 1955 and 1996, mainly in China. Combining 103 full-length COI gene sequences with 146 COI gene sequences from Genbank or DNA barcode libraries, we analyzed the genetic differentiation, gene flow and haplotypes between gypsy moth populations in order to reflect the genetic structure and population dynamics of gypsy moths. We discovered 25 previously unknown haplotypes from old gypsy moth specimens. We found that the genetic diversity among gypsy moth populations (collected in the same region at different time points) was relatively high. Furthermore, the genetic structure of Chinese geographical populations (Heilongjiang, Liaoning, Beijing) in different years was distinct. Our results suggested that some gypsy moths in China showed the genetic affinity with European gypsy moths (a sub-species of gypsy moths found mainly in Europe).
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Although the butterflies of North America have received considerable taxonomic attention, overlooked species and instances of hybridization continue to be revealed. The present study assembles a DNA barcode reference library for this fauna to identify groups whose patterns of sequence variation suggest the need for further taxonomic study. Based on 14,626 records from 814 species, DNA barcodes were obtained for 96% of the fauna. The maximum intraspecific distance averaged 1/4 the minimum distance to the nearest neighbor, producing a barcode gap in 76% of the species. Most species (80%) were monophyletic, the others were para- or polyphyletic. Although 15% of currently recognized species shared barcodes, the incidence of such taxa was far higher in regions exposed to Pleistocene glaciations than in those that were ice-free. Nearly 10% of species displayed high intraspecific variation (>2.5%), suggesting the need for further investigation to assess potential cryptic diversity. Aside from aiding the identification of all life stages of North American butterflies, the reference library has provided new perspectives on the incidence of both cryptic and potentially over-split species, setting the stage for future studies that can further explore the evolutionary dynamics of this group.
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A DNA barcode based on 650 bp of mitochondrial gene cytochrome c oxidase I is proving to be highly functional in species identification for various animal groups. However, DNA degradation complicates the recovery of a full-length barcode from many museum specimens. Here we explore the use of shorter barcode sequences for identification of such specimens. We recovered short sequences — i.e. ∼100 bp — with a single PCR pass from more than 90% of the specimens in assemblages of moth and wasp museum specimens from which full barcode recovery was only 50%, and the latter were usually less than 8 years old. Short barcodes were effective in identifying specimens, confirming their utility in circumstances where full barcodes are too expensive to obtain and the identification comparisons are within a confined taxonomic group.
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Two species complexes within the genus Xylophanes are addressed using a combination of morphological study and analysis of DNA barcode sequences. The existence of two and three cryptic species respectively within the X. loelia and X. neoptolemus complexes is revealed following consideration of both adult habitus and genital morphology, and the results of a phylogenetic analysis of partial COI sequences—DNA barcodes—for 38 specimens. The taxonomic status of the available names is discussed and to clarify and stabilize the confused nomenclature of this group, a neotype for Sphinx neoptolemus Cramer, 1780, and lectotypes for Choerocampa loelia Druce, 1878 and Chaerocampa trilineata Walker, [1865], are designated. We describe three new species: X. lolita n. sp. Vaglia and Haxaire; X. balcazari n. sp. Haxaire and Vaglia; and X. cthulhu n. sp. Haxaire and Vaglia. The first is endemic to southeastern Brazil and closely allied to X. loelia; the second two are relatives of X. neoptolemus, of which the first is known only from Guerrero and Michoacán states in Mexico while the second is widely distributed in lowland forests of Central America.
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A brief review of the geometrid fauna of the large island of Tasmania and a simple analysis of its conservation status and threats are presented. The fauna comprises 310 species of which Ennominae contribute slightly less than half the total and Larentiinae one third; 23% of the geometrid fauna is endemic at species level. Mixed eucalypt-rainforest is identified as the richest wet forest habitat in geometrid species. Using distribution data at 10 km resolution, the most widespread and most restricted taxa are identified. The conservation status of Lepidoptera living above 800m is relatively good. However, coastal species and those associated with herb-rich native grasslands are under some pressure from habitat change. Three species of geometrid moths are listed as threatened in Tasmania's Threatened Species Protection Act 1995 but several others may qualify for listing.