In the Eroo basin of Mongolia, many species of aquatic insects have been recorded including five species of Diptera in the families Psychodidae, Dixidae, and Blephaceridae and 25 species across eight families of stoneflies. One species of Psychodidae, Bazarella baikalensis Wagner is reported for the first time in Mongolia while the other families are discussed and a species list is provided for the country

Mühlenberg, Michael

Samiya, Ravchig

Slowik, Jolanta

Surenkhorloo, Purevdorj

Yoruba

DigitalCommons@University of Nebraska

University of Nebraska - LincolnDigitalCommons@University of Nebraska - LincolnErforschung biologischer Ressourcen der Mongolei/ Exploration into the Biological Resources ofMongolia, ISSN 0440-1298Institut für Biologie der Martin-Luther-UniversitätHalle-Wittenberg2012Some Taxonomic Records of Aquatic Insects in theEroo River Basin (West Khentii, NorthernMongolia)Purevdorj SurenkhorlooNational University of Mongolia, ospur@yahoo.comRavchig SamiyaNational University of Mongolia, samiya@num.edu.mnJolanta SlowikGeorg-August University of Göttingen, jslowik@gwdg.deMichael MühlenbergGeorg-August University of Göttingen, mmuehle@gwdg.deFollow this and additional works at: http://digitalcommons.unl.edu/biolmongolPart of the Asian Studies Commons, Biodiversity Commons, Environmental Sciences Commons,Nature and Society Relations Commons, Other Animal Sciences Commons, and the Terrestrial andAquatic Ecology CommonsThis Article is brought to you for free and open access by the Institut für Biologie der Martin-Luther-Universität Halle-Wittenberg atDigitalCommons@University of Nebraska - Lincoln. It has been accepted for inclusion in Erforschung biologischer Ressourcen der Mongolei /Exploration into the Biological Resources of Mongolia, ISSN 0440-1298 by an authorized administrator of DigitalCommons@University of Nebraska -Lincoln.Surenkhorloo, Purevdorj; Samiya, Ravchig; Slowik, Jolanta; and Mühlenberg, Michael, "Some Taxonomic Records of Aquatic Insectsin the Eroo River Basin (West Khentii, Northern Mongolia)" (2012). Erforschung biologischer Ressourcen der Mongolei / Exploration intothe Biological Resources of Mongolia, ISSN 0440-1298. 26.http://digitalcommons.unl.edu/biolmongol/26245Erforsch. biol. Ress. Mongolei (Halle/Saale) 2012 (12): 245 –249Some taxonomic records of aquatic insects in the Eroo river basin (West Khentii, northern Mongolia)P. Surenkhorloo, R. Samiya, J. Slowik & M. MühlenbergAbstractIn the Eroo basin of Mongolia, many species of aquatic insects have been recorded including 5 species of Diptera in the families Psychodidae, Dixidae, and Blephaceridae and 25 species across 8 families of stoneflies. One species of Psychodidae, Bazarella baikalensis Wagner is reported for the first time in Mongolia while the other families are discussed and a species list is provided for the country. Key words: Plecoptera, Diptera, Psychodidae, Dixidae, Blephaceridae, new record, species list, West Khentii, MongoliaIntroductionCurrently about 2000 species of the subfamily Psychodinae belonging to 100 genera are known in the world with a predicted eventual increase of species number. Most species of Psychodi-nae are aquatic inhabitants and almost all are water dependent (WagnER et al. 2008). The geographic distributions of Central asian Psychodinae are relatively large compared to those of European species (WagnER 2003).Only a few taxa of the family Psychodidae have been recorded in Mongolia (VaIllanT 1973, Lewis 1982, ArteMiev 1984, wAgner & JOOst 1986A) with as few as five or six species of this family reported from Mongolia by Dr. Z. Kaszab’s expedition conducted in 1968 (VaIllanT 1973). additional specimens in this family were collected by artemiev in 1980 and 1982, and by Joost in 1983. Later, wAgner & JOOst (1986a) registered two more species in Mongolia, and aRTEMIEV (1984) found one more taxon. Two of these species were discovered as new to science.As for stoneflies, some investigations were performed during last decade in the upper reaches of Eroo river and its tributaries by PurevDOrJ (2001), PurevDOrJ et al. (2003) and SaUlYEgUl (2006), summarized by ZwicK & surenKhOrLOO (2005) and surenKhOrLOO (2009). Here we summarize recent data on both discussed groups of the Eroo river basin. Materials and methodsThis research was conducted at the Field Station “Khonin nuga” between 1998 and 2003. Imagi-nes were collected with a sweep net and identified to species in the laboratory. specimens from selected Dipteran families were carried to the laboratory of the limnological River Station Schlitz (germany) and provided to Drs. P. Zwick and R. Wagner separately. all studied specimens were preserved in 70 % ethanol, and retained in the author’s collection. the eroo is one of the largest rivers in northern Mongolia. it flows via the Orkhon river into the river Selenge. While the upper part of the Eroo has had little human impact, there is a gold mining on its tributary Bar-Chuluut river. The open-cast mining stretches over approximately 17 km in the lower reaches to the Bar-Chuluut river valley. as with many other mountain rivers, the main chan-nel of the Eroo river and its tributaries have very distinct habitats e.g. in the upper reaches of Bar-chuluut river, there are riffles (runs), reaches (raceways), and pools. hydrological parameters of the Eroo and its tributaries can be found in SaUlYEgUl (2006) and KRaETZ (2009). Copyright 2012, Martin-Luther-Universität Halle Wittenberg, Halle (Saale). Used by permission.246ResultsSeventy insect genera (9 orders, 42 families) were collected in the upper reaches of the river Eroo (PurevDOrJ 2001). nowadays the details of data determinations clarify a few Dipteran species (families Psychodidae, Dixidae, Blephaceridae) and a species list of stoneflies in the eroo river basin. the new record of species is to find detailed in WagnER (2003); the other records are summarized as a species list below. Taxonomic records:Order DipteraFamily Dixidae:Dixa nebulosa Meigen, 1830: Selenge aimag, Mandal sum, Khonin nuga area, Eroo river (n 49°05’ n/ 107°17’ e), 1♂, 11.08.2003 (coll. P. surenkhorloo). Family BlephariceridaeBibiocephala maxima Brodsky, 1954: Selenge aimag, Mandal sum, Khonin nuga area, Eroo river: 1♀, 8 exuvia; 21.04.2003 (coll. P. surenkhorloo).Agathon eoasiaticus Brodsky, 1954: Mongolia, Selenge aimag, Mandal sum, Bar-Chuluut river: 3♂♂, 6 pupae; 13.07.2003; 2♂♂, 2♀♀ 04.08.2003. tsagaan-chuluut river: 1 larva, 48 pupae; 30.06.2003. small tributary of eroo river near confluence of Khongi and sharlan rivers: 2 larvae; 01.07.2003. Ataa river: 2♂♂, 56 pupae, 4 larvae, 3 exuvia; 18.07.2003 (coll. P. surenkhorloo).Neohapalothrix manschukuensis (Mannheims, 1938): Mongolia, Selenge aimag, Mandal sum, Khonin nuga, eroo river: 28 pupae, 44 larva, 21.06.2003; 35♀♀ 25.06.2003; 2♀♀ 26.06.2003; 2♀♀ 13.07.2003. eroo hot spring, Ar-ilchlekh river: 8 pupae, 16 larva, 28.06.2003. Bar-chuluut river: 2♀♀, 13.07.2003. Ataa river: 1 larva, 18.07.2003 (coll. P. surenkhorloo).Species list of Mongolian Psychodidae Paramormia ustulata (walker, 1856)Phlebotomus mongolensis, Sinton, 1928Phlebotomus andrejevi Shakirzyanova, 1953Psychoda alternate Say, 1824Psychoda moravica vaillant, 1966Psychoda uniformata Hasaeman, 1907Saraiella bulganica Vaillant, 1973Sergentomyia gobica artemiev, 1984Telmatoscopus mongolianus Vaillant, 1973Tinearia alternata (Say, 1824)Thornburghiella weidneri Wagner & Joost, 1985Ulomyia kaszabi Vaillant, 1973Bazarella baikalensis Wagner, 2003 (new record for Mongolia, Figs. 1a-d) Description. Head: Eye-bridge consisted of four rows of facets, distance between eyes equal to 4-5 facet diameters. antennal scape approximately 2.5 times longer than wide, straight. Pedicel spherical, postpedicel elongate cylindric with three strong setae, one basal and two distal; distal seta twice as long as basal setae. antennal segments 4 to 13 barrel-shaped, segments 14 and 15 short. segment 16 with blunt apiculus. segments 5 to 13 each with one pair of finger-shaped ascoids. Relative length of antennal segments: 75-27-32-14-13-15-15-15-15-14-14-13-12-11- 11-19. relative length of palpus segments: 36-50-50-55. thorax without patagia and tegulae. Legs without specific features. wing length 2.8 mm. subcos-tal vein ends in vein R1, M2 with basal spur. all tips of veins, forks r2/3, m1/2, the base of R5 and the Tipp of subcosta/radius1 with brownish spots. genitalia: sternal bridge broad slightly bent distally. gonocoxites sperical, separated from one another with an elongate, strong, distally pointing appendage, tip is distal from the tip of the 247gonostyle. appendage lies ventrally of basistyles and conceals under greater part of the aedea-gus. It is broad basally with strong tip curved inward. gonostyle approximately triangular, inserted distally at the gonocoxite, movable in the vertical plane. gonostyle medially with setae. Tergite 9 broader than long, basally much broader than distally. Cercopodia elongate, slightly curved, with about 30 distally serrate tenacula. aedeagus with elongate dorsal Y-shaped, and thin median sclerite. Distal portion of the aedeagus covered by thin chitinous sheath with two ventral tips, dorsally conical. Subgenital plate conical, setose.Material: holotypus: 1♂ russland: Mischina, lake Baikal, river Mischina, 15.6.1993; Paratypus, 1♂, Mischina, Baikal, stream, 15.6.1993; all leg. Mey. Additional material: Mongolia: selenge aimag, Mandal sum, Bar-chuluut river, 1♂, 1♀ 09.07.2003; 1♂, 2♀♀ 16.07.2003 (coll. P. surenkhorloo). Figs. 1a-d:  Bazarella baikalensis Wagner. a – eye-bridge, b – basal of antennal segments,   c – distal antennal segments, d – genitalia, ventral view (illustrated by WagnER). List of stoneflies (Plecoptera) in the eroo river and its tributariesFamily: PteronarcyidaePteronarcys reticulata (Burmeister, 1839)Agnetina brevipennis (navás, 1912)Family: PerlodidaeArcynopteryx compacta (Mclachlan, 1872)Diura majuscula (Klapálek, 1912)Megarcys ochracea Klapálek, 1912Isoperla lunigera (Klapálek, 1923)abd c248Isoperla altaica Šámal, 1939Isoperla eximia Zapekina-Dulkeit, 1975Isoperla kozlovi Zhiltzova, 1971Isoperla asiatica raušer, 1968Isoperla obscura (Zetterstedt, 1840)Kaszabia spinulosa raušer, 1968 Skwala pusilla (Klapálek, 1812)Family: Chloroperlidae Alaskaperla longidentata (raušer, 1968)Alloperla deminuta (Zapekina-Dulkeit, 1970)Haploperla lepnevae Zhiltzova et Zwick , 1971Suwallia teleckojensis (Šámal, 1939)Suwallia kerzhneri Zhiltzova et Zwick, 1971Family: TaeniopterygidaeTaenionema japonicum (Okamoto, 1922)Family: leuctridaeLeuctra fusca (linnaeus, 1758)Paraleuctra zapekinae Zhiltzova, 1974Family: CapnidaeEucapnopsis brevicauda Claassen, 1924Capnia nigra (Pictet, 1833)Family: nemouridaeNemoura arctica Ebsen-Petersen, 1910Amphinemura borealis (Morton, 1894) DiscussionIn the Eroo river and its tributaries is found a rather high diversity of aquatic insects. among them, 3 species of stoneflies and moth flies were newly recorded in Mongolia, namely: Paraleuc-tra zapekinae Zhiltzova, Isoperla eximia Zapekinae-Dulkeit and Bazarella baikalensis Wagner (PurevDOrJ et al. 2003, ZwicK & surenKhOrLOO 2005, present work). at present 13 spe-cies of Psychodids are known from Mongolia by previous and current studies. In those were 5 species of Psychodids described new to science from Mongolian materials. currently, 25 species of stoneflies are known from the eroo river basin. thus, 47 % of the stone-fly fauna of Mongolia occurs there. the majority of the species recorded here have a wide eastern Palearctic (76%) distribution, and only a few (16 %) have a trans-Palearctic distribution and 8 % have a holarctic distribution. Three species (Isoperla kozlovi Zhiltzova, I. lunigera (Klapálek), and I. obscura (Zetterstedt)) are newly recorded from the Selenge river basin in Russia and one species Filchneria mongolica (Klapálek) represents a new record to the Russian fauna of the Plecoptera (tesLenKO & BAZOvA 2009). SaUlEgUl (2006) recorded the species, Taeniopteryx nebulosa (linnaeus) and Sweltsa insularis Zhiltzova & levanidova in the river Bar-Chuluut, but the identity of these species appears in doubt. AcknowledgementsOur cordial thanks are due to r. wagner (Kassel) and P. Zwick (schlitz), who helped to determine Dipteran species and provided relevant publications. We thank B. Bayartogtokh (Ulaanbaatar) for critical comments on an earlier draft of the manuscript. P. Surenkhorloo is also indebted to K. ulykpan (ulaanbaatar), who provided the opportunity to work in the field research station “Khonin nuga” as well as his supervision. 249this work was carried out with the financial support by german Academic exchange service-DAAD (grant no. A/02/31165) and conference travel provided by iwrM MoMo project (grant no. 0330762A) for P. surenkhorloo, separately.ReferencesaRTEMIEV, M.M. (1984): Sergentomyia gobica sp. n. (Diptera, Phlebotominae) a new species of sandfly from the Mongolian People’s republic. – Parayitologiia 18 (3): 237–239 (in Russian).KRaETZ, D. (2009): Ökologie der Fischbestände in Fliessgewässern des Khentii-gebirges (Mon-golei): Bestandsaufbau, Dynamik und gefährdung durch den gold-Tagebau. – PhD Diss. TU Dresden.JESEK, J.; YagCI, s. (2005): common non-biting moth flies (insecta, Diptera, Psychodidae) new to the fauna of turkey. – turkiye Parazitoloji Dergisi 29 (3): 188–192. lEWIS, D.J. (1982): a taxonomic review of the genus Phlebotomus (Diptera: Psychodidae). – Bull. Brit. Mus. (nat. Hist.) (Entomol.) 45: 121–209.PurevDOrJ, S. (2001): Benthic insects study of Eroo river. – Master’s thesis, national Univer-sity of Mongolia, ulaanbaatar, 68 pp. (in Mongolian).PurevDOrJ, s.; MühLenBerg, M.; sLOwiK, J. (2003): First records of genus Paraleuctra Hanson (Plecoptera: leuctridae) and of Isoperla flavescens Potikha et Zhiltzova (Plecoptera: Perlodidae) from the stonefly fauna of Mongolia. – Mongolian J. Biol. sci. 1: 27–30.SaUlYEgUl, A. (2006): effects of surface gold mining on macro invertebrate communities in river systems in the north-East of Mongolia. – Master’s thesis, national University of Mongolia, ulaanbaatar, 67 pp.surenKhOrLOO, P. (2009): updated species list of stoneflies (Plecoptera) of Mongolia. – aquatic Insects 31 (1): 707–720.tesLenKO, A.v.; BAZOvA, n.v. (2009): On the stonefly (Plecoptera) fauna of the trans-bounda-ry selenge river basin. – entomologicheskoye Obozrenie 88 (4): 774–786 (in russian). VaIllanT, F. (1973) : Diptères Psychodidae recueillis par M. le Dr. Z.Kaszab en Mongolie. – annales de la Société Entomologique de France (n.S.) 9: 667–677. WagnER, R. (2003): Psychodiden aus Mittelasien und angrenzenden gebieten (Insecta, Dipte-ra, Psychodidae). – Beitr. Entomol. 53 (1): 107–121.WagnER, R.; JOOst, w. (1986a): Bemerkungen zur Psychodiden-Fauna der Mongolischen Volksrepublik (Insecta, Diptera). Entomologische Nachrichten und Berichte. 29: 171–174.wAgner, r.; BArtáK, M.; BOrKent, A.; cOurtney, g.; gODDeeris, B.; hAenni, J.; KnutsOn, L.; POnt, A.; rOtherAy, g.e.; rOZKOšný, r.; sincLAir, B.; wOODLey, n.; ZaTWaRnICKI, T.; ZWICK; P. (2008): global diversity of dipteran families (Insecta Diptera) in freshwater (excluding Simulidae, Culicidae, Chironomidae, Tipulidae and Tabanidae). – Hydro-biology 595: 489–519. ZwicK, P.; surenKhOrLOO, P. (2005): The Mongolian species of Isoperlinae (Plecoptera: Perlodidae). – acta Zool. acad. Sci. Hung. 51: 253–276.Addresses:Purevdorj surenkhorloo     Jolanta slowikRavchig Samiya     Michael MühlenbergSchool of Biology and Biotechnology   Centre for nature Conservationnational University of Mongolia    georg-august University of göttingenP.O.Box 348     von-siebold-straße 2210646 ulaanbaatar, Mongolia   37075 göttingen, germanye-mail: ospur@yahoo.com    e-mail: jslowik@gwdg.desamiya@num.edu.mn     mmuehle@gwdg.de

Some Taxonomic Records of Aquatic Insects in the Eroo River Basin (West Khentii, Northern Mongolia)

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University of Nebraska - Lincoln
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Erforschung biologischer Ressourcen der Mongolei
/ Exploration into the Biological Resources of
Mongolia, ISSN 0440-1298
Institut für Biologie der Martin-Luther-Universität
Halle-Wittenberg
2012
Some Taxonomic Records of Aquatic Insects in the
Eroo River Basin (West Khentii, Northern
Mongolia)
Purevdorj Surenkhorloo
National University of Mongolia, ospur@yahoo.com
Ravchig Samiya
National University of Mongolia, samiya@num.edu.mn
Jolanta Slowik
Georg-August University of Göttingen, jslowik@gwdg.de
Michael Mühlenberg
Georg-August University of Göttingen, mmuehle@gwdg.de
Follow this and additional works at: http://digitalcommons.unl.edu/biolmongol
Part of the Asian Studies Commons, Biodiversity Commons, Environmental Sciences Commons,
Nature and Society Relations Commons, Other Animal Sciences Commons, and the Terrestrial and
Aquatic Ecology Commons
This Article is brought to you for free and open access by the Institut für Biologie der Martin-Luther-Universität Halle-Wittenberg at
DigitalCommons@University of Nebraska - Lincoln. It has been accepted for inclusion in Erforschung biologischer Ressourcen der Mongolei /
Exploration into the Biological Resources of Mongolia, ISSN 0440-1298 by an authorized administrator of DigitalCommons@University of Nebraska -
Lincoln.
Surenkhorloo, Purevdorj; Samiya, Ravchig; Slowik, Jolanta; and Mühlenberg, Michael, "Some Taxonomic Records of Aquatic Insects
in the Eroo River Basin (West Khentii, Northern Mongolia)" (2012). Erforschung biologischer Ressourcen der Mongolei / Exploration into
the Biological Resources of Mongolia, ISSN 0440-1298. 26.
http://digitalcommons.unl.edu/biolmongol/26
245
Erforsch. biol. Ress. Mongolei (Halle/Saale) 2012 (12): 245 –249
Some taxonomic records of aquatic insects in the Eroo river basin 
(West Khentii, northern Mongolia)
P. Surenkhorloo, R. Samiya, J. Slowik & M. Mühlenberg
Abstract
In the Eroo basin of Mongolia, many species of aquatic insects have been recorded including 
5 species of Diptera in the families Psychodidae, Dixidae, and Blephaceridae and 25 species 
across 8 families of stoneflies. One species of Psychodidae, Bazarella baikalensis Wagner is 
reported for the first time in Mongolia while the other families are discussed and a species list is 
provided for the country.
 
Key words: Plecoptera, Diptera, Psychodidae, Dixidae, Blephaceridae, new record, species 
list, West Khentii, Mongolia
Introduction
Currently about 2000 species of the subfamily Psychodinae belonging to 100 genera are known 
in the world with a predicted eventual increase of species number. Most species of Psychodi-
nae are aquatic inhabitants and almost all are water dependent (WagnER et al. 2008). The 
geographic distributions of Central asian Psychodinae are relatively large compared to those of 
European species (WagnER 2003).
Only a few taxa of the family Psychodidae have been recorded in Mongolia (VaIllanT 1973, 
Lewis 1982, ArteMiev 1984, wAgner & JOOst 1986A) with as few as five or six species of 
this family reported from Mongolia by Dr. Z. Kaszab’s expedition conducted in 1968 (VaIllanT 
1973). additional specimens in this family were collected by artemiev in 1980 and 1982, and 
by Joost in 1983. Later, wAgner & JOOst (1986a) registered two more species in Mongolia, 
and aRTEMIEV (1984) found one more taxon. Two of these species were discovered as new to 
science.
As for stoneflies, some investigations were performed during last decade in the upper reaches of 
Eroo river and its tributaries by PurevDOrJ (2001), PurevDOrJ et al. (2003) and SaUlYEgUl 
(2006), summarized by ZwicK & surenKhOrLOO (2005) and surenKhOrLOO (2009). 
Here we summarize recent data on both discussed groups of the Eroo river basin. 
Materials and methods
This research was conducted at the Field Station “Khonin nuga” between 1998 and 2003. Imagi-
nes were collected with a sweep net and identified to species in the laboratory. specimens from 
selected Dipteran families were carried to the laboratory of the limnological River Station Schlitz 
(germany) and provided to Drs. P. Zwick and R. Wagner separately. all studied specimens were 
preserved in 70 % ethanol, and retained in the author’s collection. 
the eroo is one of the largest rivers in northern Mongolia. it flows via the Orkhon river into the 
river Selenge. While the upper part of the Eroo has had little human impact, there is a gold mining 
on its tributary Bar-Chuluut river. The open-cast mining stretches over approximately 17 km in the 
lower reaches to the Bar-Chuluut river valley. as with many other mountain rivers, the main chan-
nel of the Eroo river and its tributaries have very distinct habitats e.g. in the upper reaches of Bar-
chuluut river, there are riffles (runs), reaches (raceways), and pools. hydrological parameters of 
the Eroo and its tributaries can be found in SaUlYEgUl (2006) and KRaETZ (2009). 
Copyright 2012, Martin-Luther-Universität Halle Wittenberg, Halle (Saale). Used by permission.
246
Results
Seventy insect genera (9 orders, 42 families) were collected in the upper reaches of the river Eroo 
(PurevDOrJ 2001). nowadays the details of data determinations clarify a few Dipteran species 
(families Psychodidae, Dixidae, Blephaceridae) and a species list of stoneflies in the eroo river 
basin. the new record of species is to find detailed in WagnER (2003); the other records are 
summarized as a species list below. 
Taxonomic records:
Order Diptera
Family Dixidae:
Dixa nebulosa Meigen, 1830: Selenge aimag, Mandal sum, Khonin nuga area, Eroo river 
(n 49°05’ n/ 107°17’ e), 1♂, 11.08.2003 (coll. P. surenkhorloo). 
Family Blephariceridae
Bibiocephala maxima Brodsky, 1954: Selenge aimag, Mandal sum, Khonin nuga area, Eroo river: 
1♀, 8 exuvia; 21.04.2003 (coll. P. surenkhorloo).
Agathon eoasiaticus Brodsky, 1954: Mongolia, Selenge aimag, Mandal sum, Bar-Chuluut river: 
3♂♂, 6 pupae; 13.07.2003; 2♂♂, 2♀♀ 04.08.2003. tsagaan-chuluut river: 1 larva, 48 pupae; 
30.06.2003. small tributary of eroo river near confluence of Khongi and sharlan rivers: 2 larvae; 
01.07.2003. Ataa river: 2♂♂, 56 pupae, 4 larvae, 3 exuvia; 18.07.2003 (coll. P. surenkhorloo).
Neohapalothrix manschukuensis (Mannheims, 1938): Mongolia, Selenge aimag, Mandal sum, 
Khonin nuga, eroo river: 28 pupae, 44 larva, 21.06.2003; 35♀♀ 25.06.2003; 2♀♀ 26.06.2003; 
2♀♀ 13.07.2003. eroo hot spring, Ar-ilchlekh river: 8 pupae, 16 larva, 28.06.2003. Bar-chuluut 
river: 2♀♀, 13.07.2003. Ataa river: 1 larva, 18.07.2003 (coll. P. surenkhorloo).
Species list of Mongolian Psychodidae 
Paramormia ustulata (walker, 1856)
Phlebotomus mongolensis, Sinton, 1928
Phlebotomus andrejevi Shakirzyanova, 1953
Psychoda alternate Say, 1824
Psychoda moravica vaillant, 1966
Psychoda uniformata Hasaeman, 1907
Saraiella bulganica Vaillant, 1973
Sergentomyia gobica artemiev, 1984
Telmatoscopus mongolianus Vaillant, 1973
Tinearia alternata (Say, 1824)
Thornburghiella weidneri Wagner & Joost, 1985
Ulomyia kaszabi Vaillant, 1973
Bazarella baikalensis Wagner, 2003 (new record for Mongolia, Figs. 1a-d) 
Description. Head: Eye-bridge consisted of four rows of facets, distance between eyes equal to 
4-5 facet diameters. antennal scape approximately 2.5 times longer than wide, straight. Pedicel 
spherical, postpedicel elongate cylindric with three strong setae, one basal and two distal; distal 
seta twice as long as basal setae. antennal segments 4 to 13 barrel-shaped, segments 14 and 
15 short. segment 16 with blunt apiculus. segments 5 to 13 each with one pair of finger-shaped 
ascoids. Relative length of antennal segments: 75-27-32-14-13-15-15-15-15-14-14-13-12-11- 
11-19. relative length of palpus segments: 36-50-50-55. 
thorax without patagia and tegulae. Legs without specific features. wing length 2.8 mm. subcos-
tal vein ends in vein R1, M2 with basal spur. all tips of veins, forks r2/3, m1/2, the base of R5 and 
the Tipp of subcosta/radius1 with brownish spots. 
genitalia: sternal bridge broad slightly bent distally. gonocoxites sperical, separated from one 
another with an elongate, strong, distally pointing appendage, tip is distal from the tip of the 
247
gonostyle. appendage lies ventrally of basistyles and conceals under greater part of the aedea-
gus. It is broad basally with strong tip curved inward. gonostyle approximately triangular, inserted 
distally at the gonocoxite, movable in the vertical plane. gonostyle medially with setae. Tergite 9 
broader than long, basally much broader than distally. Cercopodia elongate, slightly curved, with 
about 30 distally serrate tenacula. aedeagus with elongate dorsal Y-shaped, and thin median 
sclerite. Distal portion of the aedeagus covered by thin chitinous sheath with two ventral tips, 
dorsally conical. Subgenital plate conical, setose.
Material: holotypus: 1♂ russland: Mischina, lake Baikal, river Mischina, 15.6.1993; Paratypus, 
1♂, Mischina, Baikal, stream, 15.6.1993; all leg. Mey. 
Additional material: Mongolia: selenge aimag, Mandal sum, Bar-chuluut river, 1♂, 1♀ 09.07.2003; 
1♂, 2♀♀ 16.07.2003 (coll. P. surenkhorloo). 
Figs. 1a-d:  Bazarella baikalensis Wagner. a – eye-bridge, b – basal of antennal segments,  
 c – distal antennal segments, d – genitalia, ventral view (illustrated by WagnER). 
List of stoneflies (Plecoptera) in the eroo river and its tributaries
Family: Pteronarcyidae
Pteronarcys reticulata (Burmeister, 1839)
Agnetina brevipennis (navás, 1912)
Family: Perlodidae
Arcynopteryx compacta (Mclachlan, 1872)
Diura majuscula (Klapálek, 1912)
Megarcys ochracea Klapálek, 1912
Isoperla lunigera (Klapálek, 1923)
a
bd c
248
Isoperla altaica Šámal, 1939
Isoperla eximia Zapekina-Dulkeit, 1975
Isoperla kozlovi Zhiltzova, 1971
Isoperla asiatica raušer, 1968
Isoperla obscura (Zetterstedt, 1840)
Kaszabia spinulosa raušer, 1968 
Skwala pusilla (Klapálek, 1812)
Family: Chloroperlidae 
Alaskaperla longidentata (raušer, 1968)
Alloperla deminuta (Zapekina-Dulkeit, 1970)
Haploperla lepnevae Zhiltzova et Zwick , 1971
Suwallia teleckojensis (Šámal, 1939)
Suwallia kerzhneri Zhiltzova et Zwick, 1971
Family: Taeniopterygidae
Taenionema japonicum (Okamoto, 1922)
Family: leuctridae
Leuctra fusca (linnaeus, 1758)
Paraleuctra zapekinae Zhiltzova, 1974
Family: Capnidae
Eucapnopsis brevicauda Claassen, 1924
Capnia nigra (Pictet, 1833)
Family: nemouridae
Nemoura arctica Ebsen-Petersen, 1910
Amphinemura borealis (Morton, 1894)
 
Discussion
In the Eroo river and its tributaries is found a rather high diversity of aquatic insects. among 
them, 3 species of stoneflies and moth flies were newly recorded in Mongolia, namely: Paraleuc-
tra zapekinae Zhiltzova, Isoperla eximia Zapekinae-Dulkeit and Bazarella baikalensis Wagner 
(PurevDOrJ et al. 2003, ZwicK & surenKhOrLOO 2005, present work). at present 13 spe-
cies of Psychodids are known from Mongolia by previous and current studies. In those were 
5 species of Psychodids described new to science from Mongolian materials. 
currently, 25 species of stoneflies are known from the eroo river basin. thus, 47 % of the stone-
fly fauna of Mongolia occurs there. the majority of the species recorded here have a wide eastern 
Palearctic (76%) distribution, and only a few (16 %) have a trans-Palearctic distribution and 8 % 
have a holarctic distribution. Three species (Isoperla kozlovi Zhiltzova, I. lunigera (Klapálek), 
and I. obscura (Zetterstedt)) are newly recorded from the Selenge river basin in Russia and one 
species Filchneria mongolica (Klapálek) represents a new record to the Russian fauna of the 
Plecoptera (tesLenKO & BAZOvA 2009). 
SaUlEgUl (2006) recorded the species, Taeniopteryx nebulosa (linnaeus) and Sweltsa insularis 
Zhiltzova & levanidova in the river Bar-Chuluut, but the identity of these species appears in doubt.
 
Acknowledgements
Our cordial thanks are due to r. wagner (Kassel) and P. Zwick (schlitz), who helped to determine 
Dipteran species and provided relevant publications. We thank B. Bayartogtokh (Ulaanbaatar) 
for critical comments on an earlier draft of the manuscript. P. Surenkhorloo is also indebted to K. 
ulykpan (ulaanbaatar), who provided the opportunity to work in the field research station “Khonin 
nuga” as well as his supervision. 
249
this work was carried out with the financial support by german Academic exchange service-
DAAD (grant no. A/02/31165) and conference travel provided by iwrM MoMo project (grant 
no. 0330762A) for P. surenkhorloo, separately.
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Addresses:
Purevdorj surenkhorloo     Jolanta slowik
Ravchig Samiya     Michael Mühlenberg
School of Biology and Biotechnology   Centre for nature Conservation
national University of Mongolia    georg-august University of göttingen
P.O.Box 348     von-siebold-straße 2
210646 ulaanbaatar, Mongolia   37075 göttingen, germany
e-mail: ospur@yahoo.com    e-mail: jslowik@gwdg.de
samiya@num.edu.mn     mmuehle@gwdg.de


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https://digitalcommons.unl.edu/cgi/viewcontent.cgi?article=1025&amp;context=biolmongol

Some Taxonomic Records of Aquatic Insects in the Eroo River Basin (West Khentii, Northern Mongolia)

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