Héctor A Vargas

Héctor A Vargas
University of Tarapacá | UTA

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138
Publications
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789
Citations
Citations since 2017
54 Research Items
441 Citations
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2017201820192020202120222023020406080
2017201820192020202120222023020406080
2017201820192020202120222023020406080

Publications

Publications (138)
Article
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Although adults are winged and able to fly in most Lepidoptera species, they are apterous or brachypterous and unable to fly in others, such as the flightless females of some geometrid moths. Records of flightless females in the highly diverse and widespread tribe Boarmiini (Geometridae: Ennominae) are mainly restricted to some Nearctic and Palearc...
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The micromoth fauna of the arid environments of the western slopes of central Andes remains poorly explored. Plants native to this area host overlooked species. A survey for micromoth larvae on the Chilean endemic Stevia philippiana Hieron. (Asteraceae) was performed. The first records of plume moths (Lepidoptera, Pterophoridae) associated with S....
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Dione (Agraulis) dodona (Nymphalidae: Heliconiinae) is a butterfly restricted to the western slopes of the Andes of Peru and Chile and is associated with Malesherbia tenuifolia in xerophytic environments. In this study, we found six additional species of host plants for D. (A.) dodona belonging to the genus Malesherbia (Passifloraceae). We used mit...
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Genitalia morphology of a new gnorimoschemine micromoth (Lepidoptera, Gelechiidae, Gelechiinae, Gnorimoschemini) discovered in the Atacama Desert, northern Chile, fits the original description of Scrobipalpulopsis Povolný, 1987, a genus previously synonymized with Scrobipalpula Povolný, 1964. The generic assignment of the new species was assessed u...
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Butterflies associated with xerophytic environments of the Andes have been little studied, and they exhibit high levels of endemism. Herein Dione (Agraulis) dodona Lamas & Farfán, sp. nov. (Nymphalidae; Heli-coniinae) is described, distributed on the western slopes of the Andes of Peru and northern Chile, between 800 and 3,000 m elevation. Adults o...
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We provide new information on Neotropical Phyllocnistis Zeller (Gracillariidae) associated with Baccharis (Asteraceae) in the Andes region. Two new species are described, P. canta Cerdeña & Farfán, n. sp. and P. elongata Cerdeña & Farfán, n. sp., from the western slopes of the Andes of Peru between 2,000 and 3,000 m elevation, both associated with...
Article
Adult and immature stages of Atacamaptilia ambrosiavora Vargas & Espinoza-Donoso gen. et sp. nov. (Lepidoptera: Gracillariidae: Acrocercopinae) from the Atacama Desert of northern Chile are described and illustrated. The Neotropical Atacamaptilia Vargas & Espinoza-Donoso gen. nov. resembles the Old World genera Melanocercops Kumata & Kuroko, 1988 a...
Article
Rheumapteramochica (Dognin, 1904) (Lepidoptera, Geometridae, Larentiinae) is reported from Chile for the first time. It was described from the western slopes of the Andes of southern Peru more than 100 years ago, and was recently rediscovered in Chile after larvae were collected and reared on the shrub Sennabirostrisvar.arequipensis (Meyen ex Vogel...
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Oidaematophorus pseudotrachyphloeus Gielis, 2011 (Lepidoptera, Pterophoridae) is a little-known Neotropical plume moth previously recorded in Ecuador, Peru and Argentina. Its host plants and DNA barcodes are unknown. Oidaematophorus pseudotrachyphloeus is recorded for the first time from Chile, based on six specimens from the Azapa Valley (Arica Pr...
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Eupithecia copaquillaensis sp. nov. (Lepidoptera, Geometridae, Larentiinae, Eupitheciini) is described and illustrated. Adults of this new species were discovered using a light trap in the Copaquilla ravine, at about 2800 m elevation on the western slope of the Andes of northern Chile. The morphology of the genitalia of E. copaquillaensis resembles...
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The adult stage of Rhectosemia azapaensis new species (Lepidoptera: Pyraloidea: Crambidae: Spilomelinae: Lineodini) from the transverse valleys of the Atacama Desert of northern Chile is described and illustrated. The morphology of the male and female genitalia resembles that of R. antofagastalis Munroe, 1959, the only representative of the genus p...
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The largest number of species of the widespread and highly diverse micromoth genus Ypsolopha Latreille, 1796 (Lepidoptera, Yponomeutoidea, Ypsolophidae) is known from the Northern Hemisphere. Only seven species have been described from the Neotropical Region, two of which occur in Chile. The adult stage of Ypsolopha chicoi sp. n. from the arid high...
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Cercophana frauenfeldii Felder (Lepidoptera: Saturniidae), also known as the “Andean Moon Moth”, is a Neotropical species native to continental Chile whose larvae feed on species of the families Gomortegaceae, Laureaceae and Winteraceae. We describe and document C. frauenfeldii immature stages, namely, egg, its four larval instars, and chaetotaxy o...
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Iridopsis Warren, 1894 (Lepidoptera: Geometridae: Ennominae: Boarmiini) is a New World moth genus mainly diversified in the Neotropical Region. It is represented in Chile by two described species, both from the Atacama Desert. Iridopsis socoromaensis sp. n. (Lepidoptera: Geometridae: Ennominae: Boarmiini) is described and illustrated from the weste...
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The adult stage of Helioandesia tarregai gen. et sp. nov. (Lepidoptera: Yponomeutoidea: Heliodinidae) is described and illustrated from the arid western slopes of the Andes of northern Chile. The larvae of H. tarregai gen. et sp. nov. feed as leaf skeletonizers on Mirabilis acuta (Reiche) Heimerl (Nyctaginaceae). The mostly gray forewing of H. tarr...
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Abstract The integration of field work with DNA barcoding is useful to disentangle lepidopteran interactions in nature. Adults of the little-known geometrid moth Cosmophyga cortesi Vargas, 2008 (Lepidoptera: Geometridae) were reared from folivorous larvae collected on the native tree Schinus areira L. (Anacardiaceae) at about 260 and 1500 m elevati...
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The southwestern Andes of Peru harbors a hidden taxonomic diversity of Lepidoptera. Here a new leaf-mining species of Gracillariidae (Lepidoptera) is described, Phyllocnistis furcata Vargas & Cerdeña, sp. nov., from a dry Andean valley of southern Peru, at 2400 m above sea level. The morphological aspects of adults (male and female) and the immatur...
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The adult stage of the plume moth Adaina jobimi sp. nov. (Lepidoptera: Pterophoridae: Pterophorinae: Oidaematophorini) from the arid highlands of the western slopes of the Andes of northern Chile is described and illustrated. The wing pattern and genitalia of A. jobimi resemble those of A. excreta Meyrick, 1930, from Argentina, Ecuador and Peru and...
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Two species of the moth genus Pero Herrich-Schäffer, 1855 (Lepidoptera, Geometridae, Ennominae, Odontoperini) are added to the fauna of the Andes of southern Peru in the Arequipa Department. Pero lopezi Vargas & Palacios sp. nov. is described and illustrated based on male adults collected in Pocsi, at 2900 m elevation. Pero atridisca Dognin, 1906,...
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Angelabella (Lepidoptera: Gracillariidae: Oecophyllembiinae) is considered a monotypic Neotropical genus of leaf miner micromoths known only from a few valleys of the arid environments of the Peru-Chile desert, particularly the southernmost part of Peru and northernmost part of Chile (type locality), where natural populations of its primary host pl...
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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 tam...
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The plume moth genus Stenoptilia Hübner, [1825] (Lepidoptera: Pterophoridae) is recorded for the first time from Chile. Adults of Stenoptilia socoromaensis Vargas & Gielis sp. nov. from the northernmost part of the Chilean Andes are described and illustrated. The larvae of S. socoromaensis feed on buds, flowers and unripe fruits of the hemiparasiti...
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Macaria kruegeri Vargas, Hausmann & Parra sp. nov. is described and illustrated based on adults reared from larvae collected on the shrub Adesmia spinosissima Meyen (Fabaceae) at about 3200 m elevation in the Andes of northern Chile. Macaria kruegeri resembles Macaria alba (Bartlett-Calvert, 1893), described from southern Chile. However, the two sp...
Article
The adult, pupa, larva and biology of Adenogasteria leguminivora Davis & Vargas gen. et sp. nov. (Lepidoptera: Gracillariidae: Ornixolinae) from Peru and Chile are described and illustrated. This micromoth was previously reported in the agronomic literature as a pest of Caesalpinia spinosa (Molina) (Fabaceae) in Peru, but its taxonomic status remai...
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The little-known Alucita danunciae Vargas, 2011 (Lepidoptera: Alucitidae) is recorded for the first time from Peru, expanding its altitudinal, geographic and host plant ranges. Its larvae were found on fruits of Tecoma fulva arequipensis (Bignoniaceae) at 2900 m elevation in Pocsi, Arequipa, on the western slopes of the Andes of southern Peru. Gene...
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Adults of the little-known Neotropical hawkmoth, Hyles annei (Guérin-Méneville, 1839) (Lepidoptera: Sphingidae: Macroglossinae: Macroglossini), were reared from larvae collected on Allionia incarnata L. (Nyctaginaceae) and Fagonia chilensis Hook. & Arn. (Zygophyllaceae) at about 1900 m elevation in the Atacama Desert of northern Chile. The two plan...
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Crocidosema nitsugaisp. nov. (Lepidoptera, Tortricidae, Olethreutinae, Eucosmini) is described and illustrated from the Andes of northern Chile based on adults obtained from larvae collected on leaves, flowers and unripe fruits and seeds of Lupinus oreophilus Phil. (Fabaceae). This represents the first record of insect herbivory on this Chilean end...
Article
Male and female adults of Scrobipalpula wilsoni sp. nov. are described and illustrated from the coastal valleys of the Atacama Desert of northern Chile, based on specimens reared from leaf tier larvae collected on the shrub Baccharis salicifolia (Ruiz & Pav.) Pers. (Asteraceae). The morphology of the male genitalia of S. wilsoni resembles that of S...
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This is the first record of the highly diverse genus Pero in the Arequipa Department of Peru. Previous records of the genus in Peru are mainly from Amazonas, Ancash, Cuzco, Huánuco, Junín, Lima and Pasco (Poole 1987; Lévêque 2007).
Book
Gracillariidae leaf miners include 1987 species of poorly studied micromoths for which the majority of the diversity has been described from temperate regions. The Neotropics harbors one of the richest faunas of Gracillariidae, but the rate of taxon descriptions has been slow because of limited sampling and taxonomic activity. In this illustrated c...
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The sedge-feeding moth Bactra verutana Zeller, 1875 (Lepidoptera: Tortricidae: Olethreutinae: Bactrini), described from Dallas, Texas, USA, is widespread, recorded throughout much North America, Central and South America, including the Caribbean, and Africa. The species is recorded for the first time from Chile based on specimens collected in the c...
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The female genitalia of Pero obtusaria Prout, 1928 (Lepidoptera: Geometridae) are described and illustrated for the first time and compared to congenerics. The antrum with the dorsal part sculptured with two sinuous longitudinal stripes enables the identification of this species.
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There are still many gall systems associated with larvae of Lepidoptera in which the true gall-inducers have not been identified to species. Reports on misidentification of gall inducers have been recurrent for these galls, particularly in complex gall-systems that may include inquilines, kleptoparasites, and cecidophages, among other feeding guild...
Article
The external morphology of the last larval instar and pupa of Melipotis walkeri Butler, 1892 (Lepidoptera: Erebidae) are described and illustrated based on specimens collected in the coastal valleys of the Atacama Desert of northern Chile on Acacia macracantha Willd. (Fabaceae). The morphology of the two life stages enables M. walkeri to be disting...
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Stigmella schinivora van Nieukerken, 2016 was described from Cataratas de Iguazú, Misiones, Argentina, based on adults reared from Schinus terebinthifolius Raddi (Anacardiaceae) leaf mines. The aim of this study is to describe for the first time the external morphology of the immature stages of S. schinivora with the aid of light and scanning elect...
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Male and female adults of Ypsolophamolteniisp. n. (Lepidoptera, Ypsolophidae) are described and illustrated from the western slopes of the Andes of northern Chile. Larvae of Y.moltenii feed on inflorescences of the native shrub Adesmiaverrucosa Meyen (Fabaceae). This finding represent the first species of Ypsolopha Latreille, 1796 described from ma...
Article
Stenoptilodes juanfernandicus Gielis, 1991 (Lepidoptera: Pterophoridae) was described from the Juan Fernandez Islands, Chile; it was subsequently recorded from the Galápagos Islands and mainland Ecuador. Its larva and pupa are described and illustrated for the first time with the aid of light and scanning electron microscopy. Descriptions are based...
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Glena mielkei Vargas, 2010 (Lepidoptera: Geometridae: Ennominae: Boarmiini) is a Neotropical geometrid moth native to the Atacama Desert of northern Chile whose larvae are folivorous on the shrub Trixis cacalioides (Asteraecae). The last instar and pupa are described and illustrated, and DNA barcode sequences are provided for the first time for G....
Article
Although considered the driest desert in the world, the Atacama provides unique habitats and a reservoir of biodiversity for plants and insects. Caloptilia Hübner, 1825 (Gracillariinae), is a highly diverse genus of leaf miner micromoths that has not yet been recorded in Chile. In this study, we describe a new species of Caloptilia from a relict, v...
Article
The northern valleys of the Atacama Desert in Chile have minimal seasonal variations of temperature, which enable continuous growth of many plants and their associated phytophagous insects. This is the case in the Neotropical hairstreak Strymon davara (Lepidoptera, Lycaenidae, Theclinae, Eumaeini), whose larvae are able to develop throughout the ye...
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The adult, larva, and pupa of Strepsicrates gattii Vargas-Ortiz & Vargas, sp. n. (Lepidoptera: Tortricidae: Olethreutinae: Eucosmini), are described and illustrated from the Atacama Desert of northern Chile. The larvae are leaf-tiers on the vulnerable native tree Morella pavonis (Myricaceae). As S. gattii was previously misidentified as S. smithian...
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Episimus Walsingham, 1892 (Lepidoptera: Tortricidae: Olethreutinae: Olethreutini) is reported for the first time from Chile. Male and female adults of Episimus buarquei Brito & Vargas sp. n. are described and illustrated based on specimens reared from larvae collected on the vulnerable native tree Haplorhus peruviana Engler (Anacardiaceae) in the C...
Article
Analysis of maternally inherited genes is especially helpful in population studies of host-specialized insects, as female dispersal is key to find an adequate host plant to ensure larval survival. Bucculatrix mirnae (Lepidoptera: Bucculatricidae) is a little-known Neotropical micromoth native to the arid environments of northern Chile whose hyperme...
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Phylogenetic study of the genera of South American Austral Trichopterygini (Lepidoptera: Geometridae, Larentiinae): a new classification. In this work, we evaluate the taxonomy of the Trichopterygini in Chile based on a phylogenetic analysis of the morphological attributes. In our analysis, we used Tatosoma and Sauris as outgroups. Two approaches w...
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Originally described from Africa, the genus Eccopsis Zeller (Lepidoptera: Tortricidae) currently includes 25 Afrotropical and five Neotropical species. Adult morphological characters suggest that the Afrotropical and Neotropical species might not be congeneric. Here we present the first DNA sequences for Neotropical Eccopsis and use these data in a...
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Sexual shape dimorphism (SShD) is the differentiation of male and female organisms based on their shape variation; this definition was proposed for the use of geometric morphometrics analysis where the geometric features of the shape are analyzed without the influence of the size. Macaria mirthae (Lepidoptera: Geometridae) is a moth that inhabits d...
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Eugnosta azapaensis Vargas and Moreira, 2015 (Lepidoptera: Tortricidae) is a micromoth native to the Atacama Desert whose larvae induce fusiform galls in shoots of Baccharis salicifolia (Ruiz & Pav.) Pers. (Asteraceae). The presence of this cecidogenous tortricid was previously recorded only from the type locality, the Azapa Valley, Arica Province,...
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Full-text available
The external morphology of the egg and first instar of the little-known Neotropical geometrid moth Pero obtusaria Prout, 1928 (Lepidoptera: Geometridae: Ennominae: Azelinini) is described and illustrated based on light and scanning electron microscopy. This is the first morphological study dealing with immature stages of a Neotropical species of th...
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Full-text available
Keywords Trophic niche, developmental plasticity, ecophysiology Understanding the factors driving the diet breadth of phytophagous insects remains one of the main questions in ecological research. In this study we explored the diet breadth and plant-insect associations in the plume moth Lioptilodes friasi Vargas & Parra (Lepidoptera: Pterophoridae)...
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The Neotropical micromoth genus Leurocephala Davis & Mc Kay, 2011 (Lepidoptera, Gracillariidae) was originally described to include only the type species, L. schinusae Davis & Mc Kay, 2011, whose leaf miner larvae are associated with Anacardiaceae in Argentina, Brazil and Paraguay. An integrative analysis including morphology, life history and DNA...
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Male, female, pupa, larva and egg of a new genus and species of Gracillariidae (Ornixolinae), Cactivalva nebularia Moreira & Vargas gen. et sp. nov., from southern Brazil are described and illustrated with the aid of optical and scanning electron microscopy. A preliminary analysis of mitochondrial DNA sequences including members of related lineages...
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Larval host plants can be the main resource underlying the distribution (including altitudinal ranges) of specialized phytophagous insects such as butterflies. Strymon flavaria (Ureta) (Lepidoptera: Lycaenidae: Theclinae: Eumaeini) is a little-known hairstreak endemic to the arid belt at about 3000–3500 m elevation on the western slopes of the Ande...
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Eccopsis razowskii Vargas (Lepidoptera: Tortricidae: Olethreutini) is a Neotropical micromoth native to the Atacama Desert with leaf-tying larvae that feed on Acacia macracantha Willd. (Fabaceae). The external morphology of its last instar and that of its pupa are described and illustrated for the first time with the aid of light and scanning elect...
Article
The egg, larva and pupa of Teriocolias zelia andina Forbes, 1928 (Lepidoptera, Pieridae, Coliadinae) are described and illustrated for the first time based on specimens collected on Senna birostris var. arequipensis (Fabaceae) on the western slopes of the Andes of northern Chile. The morphology of the egg and first instar enables separating T. z. a...
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Some native plants can survive the disturbances associated with agricultural activities, sometimes being considered weeds and objects of control practices. However, these plants can be very important to support populations of native insects in disturbed habitats. Alternanthera halimifolia (Lam.) Standl. (Amaranthaceae) is locally considered a weed,...
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Bucculatrix mirnae Vargas and Moreira, 2012 (Lepidoptera, Bucculatricidae) is a micromoth native to the coastal valleys of the Atacama Desert previously known to occur only in the type locality of the Azapa Valley, close to sea level. Its immature stages are associated with the shrub Baccharis salicifolia (Ruiz & Pav.) Pers. (Asteraceae). We report...
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Host-associated larval polychromatism is described for the first time for the Neotropical hairstreak Strymon bubastus (Stoll, 1780) (Lepidoptera, Lycaenidae, Theclinae, Eumaeini) based on larvae collected in the Atacama Desert of northern Chile on inflorescences of Phyla nodiflora (L.) Greene (Verbenaceae) and Waltheria ovata Cav. (Malvaceae) and r...
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Macaria mirthae Vargas et al (Lepidoptera: Geometridae) is a geometrid moth native to the northern Atacama Desert of Chile. Its oligophagous larvae are associated with native hosts of the plant family Fabaceae, the most important of which is Acacia macracantha. The invasive tree Leucaena leucocephala (Fabaceae) was recently recorded as a host plant...
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Elachista synethes was recently recognized as an alien species in northern Chile, where its larvae mine the rescue grass Bromus catharticus (Poaceae). In order to provide the necessary information to allow field detection of E. synethes during early ontogeny, we conducted a morphological reappraisal of the immature stages of this leaf-miner moth, b...
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Phytophagous insects are excellent model organisms to study the genetic and ecological components of adaptation and morphological divergence, because their host plants are one of the main environmental factors influencing their early life stages. Although many lepidopterans are highly specialized in their host use, shifts to exotic plants have been...
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The native tree Schinus molle (Anacardiacae) is reported for the first time as a host plant for larvae of the little known geometrid moth Eupithecia yubitzae Vargas & Parra (Lepidoptera, Geometridae) in the Atacama Desert of northern Chile, based on morphology and DNA barcodes. This discovery importantly expands the host range of E. yubitzae, as pr...
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Eugnosta Hübner, 1995 (Lepidoptera, Tortricidae, Tortricinae, Cochylini) is reported for the first time in Chile. Male and female adults, the pupa and the last-instar larva, and galls of Eugnosta azapaensis Vargas & Moreira sp. n. are described and illustrated from the Azapa Valley, northern Atacama Desert. The larvae induce fusiform galls on shoot...
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Full-text available
Several species of leaf-mining moths have become invasive in many parts of the world. Their success seems to be related, at least in part, to their small body size, short life cycles, high dispersal capabilities and relatively plastic host-plant associations. Here, we provide the first report of established populations of the elachistid moth, Elach...
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Full-text available
Several species of leaf-mining moths have become invasive in many parts of the world. Their success seems to be related, at least in part, to their small body size, short life cycles, high dispersal capabilities and relatively plastic host-plant associations. Here, we provide the first report of established populations of the elachistid moth, Elach...
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Full-text available
Lycaenid caterpillars (Lepidoptera, Lycaenidae) eating flowers of Dalea pennellii var. chilensis (Fabaceae) in the northern Chilean Andes. The shrub Dalea pennellii var. chilensis (Fabaceae) is reported for the first time as a host plant for three Neotropical Polyommatini (Lepidoptera, Lycaenidae, Polyommatinae): Hemiargus ramon (Dognin, 1887), Lep...
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Egg laying site selection by a host plant specialist leaf miner moth at two intra-plant levels in the northern Chilean Atacama Desert. The spatial distribution of the immature stages of the leaf miner Angelabella tecomae Vargas & Parra, 2005 was determined at two intra-plant levels (shoot and leaflet) on the shrub Tecoma fulva fulva (Cav.) D. Don (...
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External morphology of the immature stages of Neotropical heliconians: IX. Dione glycera (C. Felder & R. Felder) (Lepidoptera, Nymphalidae, Heliconiinae). The biology of the Andean silverspot butterfly Dione glycera (C. Felder & R. Felder, 1861) is still poorly known. This species is restricted to high elevations in the Andes, where the immature st...
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Full-text available
Prey identification in nests of the potter wasp Hypodynerus andeus (Packard) (Hymenoptera, Vespidae, Eumeninae) using DNA barcodes. Geometrid larvae are the only prey known for larvae of the Neotropical potter wasp Hypodynerus andeus (Packard, 1869) (Hymenoptera, Vespidae, Eumeninae) in the coastal valleys of the northern Chilean Atacama Desert. A...
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The native shrub Baccharis alnifolia Meyen & Walp. (Asterales: Asteraceae) is recorded as the first larval host plant known for the Neotropical hairstreak Thaeides muela (Dyar, 1913) (Lepidoptera, Lycaenidae, Eumaeini), based on field samplings performed on the western slopes of the northern Chilean Andes.
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Full-text available
First host plant records for Iridopsis hausmanni Vargas (Lepidoptera, Geometridae) in the coastal valleys of northern Chile. The trees Haplorhus peruviana Engl. and Schinus molle L. (Anacardiaceae) are mentioned as the first host plant records for the little known native moth Iridopsis hausmanni Vargas, 2007 (Lepidoptera, Geometridae, Ennominae) in...
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Phenological studies are especially important in order to understand the ecological process operating at temporal level. The western slopes of the northern Chilean Andes at about 3,500 m asl are a mosaic of arid environments in which precipitations are highly seasonal, mostly concentrated in summer. Teriocolias zelia andina Forbes (Lepidoptera: Pie...