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New and interesting mites from the Geneva Museum LXVIII. Oribatids from Sabah (East Malaysia) IV (Acari: Oribatida)

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... Mahunka (1995) listed three main differences: a) lobed structures (Mahunka incorrectly considered it as tutoria) dentate distally; b) two pairs of adanal setae present; and c) borders of sejugal apodemes and apodemes IV fused medially among themselves , forming X-structure. However, later, combining M. fimbriatus and M. tuberculatus (Mahunka 1987Mahunka , 1988b ) and describing new species of Ter- aja, Mahunka (1997Mahunka ( , 2001) recognized that the first two characters are species level ones, because lobed structures showe morphological variability, and the number of adanal setae may be either two or three pairs. Also, similar localization of borders of sejugal apodemes and apodemes IV (as X-structure) is known in some Microzetes, for example, M. (Microzetes ) lunaris (Aoki, 1984 ...
... (Mahunka, 1988b). Distribution: Borneo. ...
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The oribatidmite genusMicrozetes (Oribatida,Microzetidae) is recorded for the first time in the Philippines; one new species is described herein from secondary forest litter in Samar Island. Microzetes (Microzetes) samarensis n. sp. differs from other species of the subgenus by the insertions of notogastral setae c and la (close to each other vs. distanced in the other species). Updated generic and subgeneric diagnoses for Microzetes are given. The taxonomic status of Teraja Mahunka, 1995 and the systematic placement of representatives of this genus are discussed, resulting in the following taxonomic proposals: Microzetes Berlese, 1913 (=Teraja Mahunka, 1995) n. syn.; M. (Microzetes) asymmetricus (Mahunka, 2001) n. comb.; M. (Microzetes) sungai (Mahunka, 1997) n. comb.; M. (Megazetes) wongi (Mahunka, 1995) n. comb. The initial systematic placement of Microzetes flagellifer and M. tuberculatus (in the subgenus Microzetes) is supported, and the inclusion of M. fimbriatus in Microzetes (Megazetes) and Megazetes rugosus (Mahunka, 1986) in M. (Microzetes) is proposed. An identification key to the known taxa of Microzetes is provided.
... The primary goal of the paper is to present a list of the identified taxa with their localities and notes on new records. In the course of taxonomic identification, I found one new species, belonging to Scheloribates (Bischel­ oribates) Mahunka, 1988 (Mahunka 1988 see also Ermilov 2013 for explanations on type species and the subgeneric status) of the family Scheloribatidae . The secondary goal of the paper is to describe and illustrate it. ...
... The primary goal of the paper is to present a list of the identified taxa with their localities and notes on new records. In the course of taxonomic identification, I found one new species, belonging to Scheloribates (Bischel­ oribates) Mahunka, 1988 (Mahunka 1988 see also Ermilov 2013 for explanations on type species and the subgeneric status) of the family Scheloribatidae . The secondary goal of the paper is to describe and illustrate it. ...
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The present study is based on oribatid mite material (Acari, Oribatida) collected from two dry forests in Central Ethiopia. A list of identified taxa is provided. It includes 26 species from 21 genera and 20 families; of these, Cosmochthonius lanatus (Michael, 1885) and the genus Cosmochthonius Berlese, 1910 are recorded in Ethiopia for the first time, and the species Oribatula interrupta (Willmann, 1939) is recorded in the Ethiopian region for the first time. A new species, Scheloribates (Bischeloribates) munesaensis spec. nov. (Scheloribatidae), are described from leaf litter of Munesa forest (dominated with Croton macrostachys). It differs from all species of S. (Bischel­ oribates) by the different number of leg claws (legs I monodactylous, legs II–IV bi-dactylous vs. all legs bidactylous). An identification key to known species of S. (Bischeloribates) is given.
... This phenomenon was discussed as an aberrant atavistic reversal from porose areas in the genus and species (as being typical) towards a sacculus. The main goal of our article is to present the first data on intraspecific variation of the octotaxic system in specimens from a population of Protoribates paracapucinus (Mahunka, 1988) (Haplozetidae) and to discuss implications of this fact for systematics and taxonomy of Poronota. ...
... FIGURES 1–2. Protoribates paracapucinus (Mahunka, 1988), adult (specimens from Vanuatu used): 1—dorsal view of specimen with saccules on notogaster; 2—dorsal view right half (rostrum and posterior part of notogaster not illustrated) of specimen with porose areas on notogaster. Scale bar 100 μm. ...
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The octotaxic system of notogaster in poronotic oribatid mites (Acari, Oribatida) usually is represented by two types, either porose areas or saccules. These dermal gland structures are observed as constant for each species (except sexual dimorphism; see below), therefore their type often is used as key character, and in consequence of this, it is used in taxonomy and systematics as diagnostic character for different taxa levels from species to family (Subías 2004, online version 2015; Weigmann 2006; Norton & Behan-Pelletier 2009; Bayartogtokh 2010). However, there are exceptions: for Drymobates silvicola Grandjean, 1930 (Drymobatidae) and Galumna (Atypicogalumna) corpuzrarosae Ermilov, Sandmann, Klarner, Widyastuti & Scheu, 2015 (Galumnidae), a composite octotaxic system is known, including side by side porose areas and saccules in every specimen (Grandjean 1930; Ermilov et al. 2015). Behan-Pelletier (2015) reports several cases of sexual dimorphism of the octotaxic system in Poronota, all with different appearance of porose areas. But for the licneremaeoid Glanderemaeus hammerae Balogh & Csiszár, 1963 (whose familial placement is unclear) a unique sexual dimorphism in octotaxic system is described-males with saccules, females with porose areas (see also Norton et al. 1997).
... Their importance in the natural ecosystems is enormous (in some places more than 70 % of all soil mites) and together with the theoretical interest they represent, has led to intensive research of this group by many specialists. Thanks mainly to the publications of Maria Hammer (1977), Balogh (1970), Mahunka (1991), Kunst (1957), Aoki (1965), Schatz (1978 and others), Piffl (1971) and some Russian specialists, we now have knowledge of the high mountain parts of South America, Hindu Kush, Himalayas, Pamir, the Alps, the mountains in Bulgaria, tropical Africa and New Guinea. The 79 families known to occur above 2200 m contain 548 species. ...
Chapter
The study of extreme habitats and the animals adapted to them (e.g., high mountain fauna) is interesting in many ways. It gives us the opportunity to reveal many ecophysiological mechanisms for adaptation to extreme environments. The recent detailed studies from large and difficult to explore mountains have provided specialists with the opportunity to describe hundreds of new taxa and to clarify the composition of entire faunas, unknown until then. A good example is the campaign in the Himalayas of the German Zoologist Prof. J. Martens, who in 3–4 years managed to significantly contribute to the knowledge of some groups living in the huge mountain systems that form the boundary between two zoogeographical kingdoms. Little by little, the altitudinal limits for the separate taxa and whole groups are being discovered, thanks to fieldwork by such intrepid travelers as H. Janetschek, H. Franz, and others.
... At present, the Malaysian oribatid mite fauna (Acari, Oribatida) is poorly known (Balogh and Mahunka 1974; Aoki, 1976; Mahunka 1988 Mahunka , 1995 Niedbała 2000 ). My investigation is based on material collected in 2016 from the forest near Sharila Island Resort, Coral Bay in Malaysia. ...
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The present study is based on oribatid mite material collected from leaf litter in the forest near Shari-la Island Resort, Coral Bay, Malaysia, in 2016. A list of identified taxa, including 15 species from 14 genera and 10 families, is presented; of these, one species is new for science: Lohmannia (Lohmannia) triangulata Ermilov sp. n. differs from L. (Lohmannia) hungarorum Mahunka, 1980 by the morphology of some prodorsal, notogastral and genital setae, and length of anterior exobothridial setae.
... Currently, it comprises only the type species, which is distributed in Ecuador; hence, this subgenus is recorded in Peru for the first time. The subgenus Scheloribates (Bischeloribates) was proposed by Mahunka (1988) (see explanations on subgeneric taxonomic status and type species in Ermilov 2013). Currently, it comprises seven species, four species distributed in the Oriental region, two species in the Neotropical region, one species in Ethiopia (see summarized data in Subías 2004Subías , updated 2015). ...
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Two new species of oribatid mites of the family Scheloribatidae (Acari, Oribatida) are described from upper soil and leaf litter in the primary evergreen lowland rainforest of Amazonian Peru. Perscheloribates (Ecuadoribates) olszanowskii sp. nov. differs from P. (Ecuadoribates) pentasacculus Ermilov & Kalúz, 2012 by the presence of long interlamellar setae, rudimentary parts of translamellar line, ten pairs of notogastral setae and four pairs of notogastral saccules. The subgenus Perscheloribates (Ecuadoribates) is recorded in Peru for the first time. Scheloribates (Bischeloribates) wachteli sp. nov. differs from S. (Bischeloribates) bidactylus Hammer, 1961 by the presence of comparatively long notogastral setae c and la and rudimentary parts of translamellar line. Revised subgeneric diagnoses for Perscheloribates (Ecuadoribates) and Scheloribates (Bischeloribates) are given.
... We cordially thank Prof. Dr. Badamdorj Bayartogtokh (National University of Mongolia , Ulaanbaatar, Mongolia) and an anonymous reviewer for valuable comments, Dr. László Dányi, Dr. Csaba Csuzdi and Edit Horváth (Hungarian National History Museum, Hungary) for loaning the paratypes of Allogalumna quadrimaculata (Mahunka, 1988 ), Kristina Richter (Georg August University Göttingen, Göttingen, Germany ) for help in building up the Indonesian oribatid mite morphospecies collection, the State Ministry of Research and Technology of Indonesia (RISTEK) for the research permit and the Indonesian Institute of Sciences (LIPI) and Ministry of Forestry (PHKA) for the collection permit, the village heads, local site owners, PT REKI and Bukit Duabelas National Park for granting access to their properties and the many colleagues and helpers for support in the field. Financial support was provided by the German Research Foundation (DFG) in the framework of the collaborative German – Indonesian research project CRC990 (EFForTS). ...
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Two new species of oribatid mites of the genus Allogalumna (Oribatida, Galumnidae) are described from litter and soil materials of Sumatra, Indonesia. Allogalumna indonesiensis sp. n. is morphologically most similar to A. borhidii Balogh & Mahunka, 1979, A. quadrimaculata (Mahunka, 1988), A. rotundiceps Aoki, 1996 and A. plowmanae Balogh & Balogh, 1983; however, the new species differs by having densely ciliate bothridial heads, larger body size and absence of a median pore. Allogalumna paranovazealandica sp. n. is morphologically most similar to A. novazealandica Hammer, 1968; however, the new species differs by the shorter body length and barbed and curving postero-laterad bothridial setae. The genus Allogalumna is recorded for the first time in the Indonesian fauna.
... They have a utilitarian function in taxonomy, especially for large genera where some degree of preliminary grouping may provide a practical means of rendering those genera taxonomically tractable. Species groups have been widely used in taxonomic acarology, for example the mesostigmatid taxa Phytoseiidae (Chant & McMurtry, 2003), Asca (Walter et al., 1993), Lasioseius (Walter & Lindquist, 1997) and Macrocheles (Walter & Krantz, 1986), the prostigmatid genus Rhagidia (Zacharda, 1995), the acarid genus Acarus (Griffiths, 1970) and the oribatid genera Carabodes (Avanzati et al., 2004), Camisia (Colloff, 1993), Crotonia (Wallwork, 1977b; Luxton, 1982; Colloff, 2009a), Nanhermannia (Mahunka, 1988), Novonothrus (Colloff, 2011a), Pedrocortesella (Hunt, 1996), Phyllhermannia (Luxton, 1991; Corpuz-Raros & Gruèzo, 2009; Colloff, 2011b), Scapheremaeus (Colloff, 2009b) and Trhypochthonius (Weigmann & Raspotnig, 2009). Some taxonomists prefer to formally designate groups of species with shared characters as subgenera, the only rank between species and genus recognised within the International Code of Zoological Nomenclature. ...
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Seven new species of Malaconothridae from Papua New Guinea are described: Tyrphonothrus papuensis sp. nov., Malaconothrus dispela sp. nov., M. gogolensis sp. nov., M. laensis sp. nov., M. liklik sp. nov., M. murmurensis sp. nov. and M. weigmanni sp. nov.; one from New Caledonia: Tyrphonothrus kanaka sp. nov. and three new species from Australia: Tyrphonothrus seniczaki sp. nov. from Victoria, T. kimberleyi sp. nov. and Malaconothrus tidbinbilla sp. nov. from the Australian Capital Territory. These, and previously-described malaconothrids from Australia, are allocated to a series of species groups based on shared characters (Tyrphonothrus: Maior, Sacculus and Crassisetosus; Malaconothrus: Marginatus, Monodactylus, Crispus, Plumosus and Opisthoseta). The species groups were assessed against (a) the biogeographical distribution of their component species and (b) the phylogenetic relatedness of those species. The majority of species groups have a cosmopolitan or semi-cosmopolitan distribution, with the Crassisetosus and Opisthoseta groups distributed on former Gondwanan continents. These findings are consistent with the conclusion of Hammer and Wallwork (1979) that Malaconothridae evolved as part of the Pangaean fauna and that the Opisthoseta group evolved after Gondwana had separated from Laurasia.
... Solenidion ϕ 1 originating from apophysis; ϕ 2 contigueus to ϕ 1 . Remarks — The new species has short lamellar setae such as in Protoribates paracapucinus (Mahunka, 1988) and P. brevisetosus (Fujita, 1989). However, it differs from them in distances among central notogastral setae, lm, lp and h 1 , and notogastral setae h 2 inserted remote from porose areas A2. ...
Article
Eleven oribatid species were collected from the Kumaya Cave of Iheya village in Central Ryukyu Arc, South Japan. The cave is a descending horizontal tunnel of a deep-sea abysmal quartziferous deposit formed in the Permian period of the Palaeozoic era and excavated by sea erosion. The floor of the cave was covered with sand, three to four meters deep. Fragments of psephite are found at the end of the cave. Each sample of about 200 cm3 was collected by hand from the following five marked points of the cave on 17 March 2010: A, Sand and a fragment of psephite; B, Sand and a fragment of psephite; C, Sand, a fragment of psephite, and litter of Ficus microcarpa; D, Litter and humus of F. microcarpa and Cassytha filiformis, and sand; E, Litter and humus of F. microcarpa and C. filiformis, and sand. All species belonged to Brachypylina: Oppiella (O.) nova from A; Mabulatrichus kumayaensis sp. nov., Protoribates kumayaensis sp. nov. and Zygoribatula iheyaensis sp. nov. from B; Tectocepheus kumayaensis sp. nov. from C; Tectocepheus iheyaensis sp. nov., Oribatula kumayaensis sp. nov., Protoribates hirokous sp. nov. and Haplozetes makii sp. nov. from D; Eupelops kumayaensis sp. nov. from E; Neoliodes iheyaensis sp. nov. from C, D and E.
... 3-8. Atropacarus (Hoplophorella) sabahnus (Mahunka, 1991) (specimen from Sabah, Mt. Kinabalu, 2997 m). 3 – prodorsum, dorsal view, 4 – prodorsum, lateral view, 5 – notogaster, lateral view, 6 – mentum of infracapitulum, 7 – genitoaggenital plate, 8 – anoadanal plate, 9 – trochanter and femur of leg I ...
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A supplement to the monograph on ptyctimous mites of Oriental Region (NIEDBA£A 2000), presents diagnoses of the species described in the papers published after 1998 and a few species described in the papers published before this year. Analysis of a few dozen samples with ptyctimous mites from different areas of Oriental Region has enriched the number of species from the region by 7 species new to science. These new species are: Mesoplophora (Mesoplophora) frogneri n. sp., Apoplophora kapiti n. sp., Apoplophora sarawaki n. sp., Apoplophora serrata n. sp., Apoplophora triquetra n. sp., Austrotritia singaporensis n. sp., and Phthiracarus pondoklowii n. sp. The species Euphthiracarus meghalayensis SANYAL, 1988 has been declared conspecific with Euphthiracarus pakistanensis HAMMER, 1977 and Pthiracarus (Archiphthiracarus) hirsutus FUJIKAWA, 2003 with Phthiracarus setosus (BANKS, 1895). From among the 39 already known species, 12 were known only from the original description and these have been subjected to detailed morphological analysis revealing or allowing more accurate specification of some morphological features, included in the redescriptions presented in this paper. New localities have been specified for the following species: O. chichijimensis, E. meghalayensis, P. globosus, and A.(A.) clavatus, extending their hitherto geographical ranges. In total the supplement presents 45 species, including 8 Mesoplophoridae, 16 Euphthiracaroidea, and 21 Phthiracaroidea.
... However, not all taxonomists take this approach, and their view of taxonomy had been entirely utilitarian. As a result, the genus Plonaphacarus was regarded as a subgenus of Hoplophthiracarus (e.g., Balogh & Balogh 1992, Mahunka 1991a, 1993 or synonym of the subgenus Rhacaplacarus (Rhacaplacarus) (e. g., Subías 2004), or not accepted (e.g., Balogh & Balogh 2002). Considering biological taxonomy should construct an arrangement that reflects natural relationships between various species, but not only for the convenience of identification, we think Niedbała's system is at least scientifically defensible, and can well avoid many arbitrary and artificial decisions. ...
Article
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The oribatid mite genus Plonaphacarus Niedbała, 1986 (Steganacaridae) is reviewed. Ten species of Plonaphacarus including eight new species, P. bicarinatus sp. nov., P. concavus sp. nov., P. cristatus sp. nov., P. foveolatus sp. nov., P. hainanensis sp. nov., P. lanceolatus sp. nov., P. protrusus sp. nov. and P. rotundus sp. nov., and one newly recorded species from China are identified. A checklist of all known species and a key to Chinese known species of this genus are provided.
... The material was collectd by Dr B. Hauser during the 1982 expedition of the Geneva Museum to Sabah. Further details concerning the background and the aims of my studies and the collecting activity of Dr B. Hauser in this region are given in my recent papers on oribatid mites of Sabah (MAHUNKA 1987a(MAHUNKA , 1987b(MAHUNKA , 1991MAHUNKA & MAHUNKA-PAPP 1988). ...
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Sixteen species of large-winged mites of the superfamilies Parakalummoidea n. stat. and Galumnoidea are mentioned from Sabah, 14 of them are described as new. The following new genera are erected: Strabogalumna n. gen., Variogalumna n. gen. and Trypogalumnella n. gen. Some taxonomic problems concerning the families Galumnidae and Parakalummidae are discussed and the latter is separated for the first time in a different superfamily Parakalummoidea n. stat.
... Niedbała (2001) analysed the features of this genus and discussed their taxonomic signification. Mahunka (1985 Mahunka ( , 1987 Mahunka ( , 1988 Mahunka ( , 1991 Niedbała (1998 Niedbała ( , 2000 Niedbała ( , 2004) described seven new species of Apoplophora: A. solomonensis from Solomon Islands; A. ornata from Indonesia; A. phalerata from India and Indonesia; and A. kapiti, A. sarawaki, A. serrata and A. triquetra from Malaysia. In his monograph (Niedbała 2000), A. triseta was treated as a junior synonym of A. marcuardi; M. indica, M. striata, A. lineata, A. ornatissima and A. jaccoudi were regarded as synonymous with A. pantotrema. ...
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The oribatid mite genus Apoplophora Aoki, 1980 (Mesoplophoridae) is reviewed, and a checklist and key to all known species are provided. Three species of Apoplophora including a new species, Apoplophora dentata sp. nov. from Tibet, and a newly recorded species from China, Apoplophora heterotricha Mahunka, 1987, are identified, and their morphological descriptions and illustrations are also given.
... differs from all known Eurasian species by the range of characters indicated inTable 1. It is bigger (250–280 μm) than all other species mentioned in the table, except S. multilineata Corpuz- Raros, 1979 (284 μm) (Balogh and Mahunka, 1968; Mahunka, 1977 Mahunka, , 1988 Corpuz-Raros, 1979; Subías and Sarkar, 1983). Notogastral striation is very fine or totally absent, whereas all Eurasian species, other than S. modesta Mahunka, 1988 (striations in humeral region only), have clearly evident striae. ...
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A new species of oribatid mite of the genus Striatoppia is described on the basis of adult specimens from natural and urban habitats in Tbilisi, Georgia, the first record of the genus for the western Palaearctic. Based on character states of this species, arguments are presented for Striatoppia being a possible member of the Autognetidae.
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The oribatid mite genus Austrotritia Sellnick, 1959 (Oribotritiidae) is reviewed. Two new species, Austrotritia didyma sp. nov. and Austrotritia fissurata sp. nov., and one newly recorded species from China, Austrotritia saraburiensis Aoki, 1965, are identified. A checklist of all known species and key to the Chinese species of Austrotritia are provided.
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A study on the oripodoid mites fauna (Oribatida: Oripodoidea) in Miandoab region (West Azerbaijan Province) was carried out during 2015–2016. In this survey, 16 species belonging to three families and five genera are known, of which the species Scheloribates (Scheloribates) labyrinthicus Jeleva, 1962 is recorded for the first time from Iran. An additional description is provided for Scheloribates (S.) labyrinthicus based on specimens collected from the northwest of Iran. Moreover, a checklist of 16 oripodoid mite species of Miandoab region is presented.
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Philippine species of the genus Phyllhermannia Berlese 1916 are taxonomically treated, including six new species, as follows: P. ababa Corpuz-Raros, P canlaonensis Corpuz-Raros, P. longipediseta Corpuz-Raros, P. malindangensis Corpuz-Raros, P. samarensis Corpuz-Raros and P. vermicula Corpuz-Raros. All species are described and illustrated and a key is provided for all 10 species recorded from the country.
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Three new species of Phyllhermannia are described from the Philippines, viz., P curvata Corpuz-Raros & Gruezo n. sp., P filipina Corpuz-Raros & Gruezo n. sp. (= P. kanoi, non Aoki 1959) and P leytensis Corpuz-Raros & Gruezo n. sp. Comparisons of notogastral chaetotaxy among Philippine and extra-Philippine species show two patterns based mainly on differences among the anterior c- and d-setae. Chaetotaxy of leg segments is detailed for P. filipina compared with other Philippine species and shown. to be an additional source of taxonomic characters for species identification in the genus. Four species are transferred from Hermannia or Hermannia (Phyllhermannia) as follows: Phyllhermannia dinghuensis (Lu & Wang) n. comb., P fungifer (Mahunka) n. comb., P. heterotricha (Mahunka) n. comb. and P. neotricha (Woas) n. comb.
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Two new species of oribatid mites, Temburongia similanensis sp. nov. (Synichotritiidae) and Austrophthiracarus trapezoids sp. nov. (Phthiracaridae), are described based on adult specimens from leaf litter on Similan Islands. Thailand. Temburongia similanensis sp. nov. differs from T. patoi Mahunka, 1990 in having simple prodorsal and notogastral setae, one pair of median prodorsal cristae, two pairs of exobothridial setae, two longitudinal rows of ano-adanal setae, coxal setation of 3-1-2-3, tridactylous legs, and, more unusually, clusters of bothridial brachytrachea which are unknown in other synichotritiid mites. Austrophthiracarus trapezoides sp. nov. can be distinguished from the similar species A. pseudotuberculatus Mahunka, 2008 by the presence of a large trapezoid prodorsal tubercle and longer notogastral setae (seta c 1 reaching d 1). A checklist of Thai Euptyctima, including 19 species in four families (Oribotritiidae, Euphthiracaridae, Synichotritiidae, and Phthiracaridae), their synonyms and distributional data are presented. Plonaphacarus semiaciculatus (Mahunka, 2008) comb. nov. is proposed as a new combination for Rhacaplacarus semiaciculatus Mahunka, 2008.
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A new oribatid mite species of the family Galumnidae, Allogalumna (Allogalumna) iranica sp. n., is described from Iranian soil. It is characterized by the rounded rostrum; long, slightly thick and barbulate interlamellar setae; medium long, thin and smooth rostral and lamellar setae; long sensilli, with densely barbed, slightly dilated lanceolate head; dorsosejugal furrow medially undeveloped; presence of median pore in females and males; large, nearly oval porose areas Aa; and large, elongated, medially narrowed postanal porose area and tridactylous legs. An identification key for the known species of Allogalumna is presented.
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The oribatid mite species, Dolicheremaeus distinctus Aoki, 1982, is redescribed in details, on the basis of specimens from India. This species is recorded for the first time from India and the Oriental region. An identification key to the Indian Dolicheremaeus is given.
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AbStrAct. An annotated checklist of oribatid mite taxa of Bu Gia Map National Park (Southern Vietnam) with distributions is provided. We have registered 62 species, 46 genera, 31 families of which five species, six genera, two families were found for the first time from Vietnam. A new species of the genus Dolicheremaeus, D. bugiamapensis sp. nov., is described. This new species can be included in the Dolicheremaeus species group with developed prodorsal and notogastral condyles, localization of adanal setae ad 3 in preanal position, medium length of notogastral setae and clavate sensilli. However, it differs from all species of this group by a combination of the body size, length of adanal and aggenital setae; size and morphology of condyles, morphology notogastral setae, localization of lyrifissures iad, and the morphology of leg setae u.
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This paper contains descriptions of sixteen new species of Phyllhermannia from temperate rainforest and wet sclerophyll forest in the Australian Capital Territory (P. namadjiensis sp. nov.), New South Wales (P. bandabanda sp. nov., P. colini sp. nov. and P. tanjili sp. nov.), Tasmania (Phyllhermannia acalepha sp. nov., P. craticula sp. nov., P. lemannae sp. nov., P. luxtoni sp. nov. and P. strigosa sp. nov.) and Victoria (P. croajingolongensis sp. nov., P. errinundrae sp. nov., P. gigas sp. nov., P. hunti sp. nov., P. leei sp. nov. and P. leonilae sp. nov. and P. sauli sp. nov.). A partial supplementary description and new distribution record is given for P. eusetosa Lee, 1985 from South Australia. Phyllhermannia dentata glabra Hammer, 1962 is elevated to specific status. Hermannia macronychus Trägårdh, 1907 and H. fungifer Mahunka 1988 are recombined to Phyllhermannia. A new diagnosis of Phyllhermannia is given and immature stages are described for the first time. Three species-groups are tentatively recognised: Acalepha, confined to Tasmania, Colini, found in the Australian Capital Territory, Victoria and New South Wales and Eusetosa, found in Victoria and South Australia.
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Two new oribatid mite species, Machadobelba longiciliata sp. nov. (Machadobelbidae) and Campachipteria brevisetosa sp. nov. (Achipteriidae), are described from upper organic soil layer in mostly undisturbed rain forest of Podocarpus National Park, Ecuador. Machadobelba longiciliata sp. nov. is most similar to Machadobelba descombesi Mahunka, however it differs from the latter by the structures of sensilli and median notogastral tubercles, length of notogastral setae and presence of porose areas in anogenital region. Campachipteria brevisetosa sp. nov. is most similar to Campachipteria sibirica (Krivolutsky et Grishina), however it differs from the latter by the structures of sensilli and lamellar setae, and length of process of pteromorphs. The genus Campachipteria is recorded for the first time in Ecuador.
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