Arthropoda Selecta 10 (4): 315322 © ARTHROPODA SELECTA, 2001 New and poorly known species of crab spiders (Aranei: Thomisidae) from South Siberia and Mongolia Íîâûå è ìàëîèçâåñòíûå âèäû ïàóêîâ-áîêîõîäîâ (Aranei: Thomisidae) èç Þæíîé Ñèáèðè è Ìîíãîëèè Yu.M. Marusik* & D.V. Logunov** Þ.Ì. Ìàðóñèê* & Ä.Â. Ëîãóíîâ** * Institute for Biological Problems of the North, Far East Branch, Russian Academy of Sciences, Portovaya Str. 18, Magadan 685000 Russia. * Èíñòèòóò áèîëîãè÷åñêèõ ïðîáëåì Ñåâåðà ÄÂÎ ÐÀÍ, Ïîðòîâàÿ 18, Ìàãàäàí 685000 Ðîññèÿ. ** The Manchester Museum, The University of Manchester, Oxford Road, Manchester M13 9PL, UK. KEY WORDS: Thomisidae, crab-spiders, new species, South Siberia, Mongolia. ÊËÞ×ÅÂÛÅ ÑËÎÂÀ: Thomisidae, ïàóêè-áîêîõîäû, íîâûå âèäû, þæíàÿ Ñèáèðü, Ìîíãîëèÿ. ABSTRACT. Three new species are described: Xys- Introduction ticus sharlaa sp.n. (#$; from Russia: Tuva, Buryatia and Chita Area), Ozyptila kaszabi sp.n. (#$; from The crab-spiders of the family Thomisidae are rela- Mongolia, Middle Gobi Aimak) and Tmarus gaidosi tively well studied in Siberia as a whole and in South sp.n. (#; from Mongolia, unknown locality). A replace- Siberia particularly [Marusik, 1989; Marusik & Chevr- ment name, X. gobiensis nom.nov., is proposed for izov, 1990; Logunov, 1992, 1994; Logunov & Marusik, Xysticus laticeps Schenkel, 1963 (preoccupied by Xys- 1994, 1998; Utotchkin & Savelyeva, 1995]. During the ticus laticeps Bryant, 1933), which is removed from last decade, more than 10 thomisid species have been synonymy with X. sibiricus Kulczyñski, 1908. Previous- described from South Siberia and Mongolia and appoxi- ly unknown female is described for Xysticus seserlig mately 10 have been recorded as new for the region. Logunov et Marusik, 1994. A new combination, Mis- Nevertheless, during a survey of new thomisid material umena grubei (Simon, 1895) (ex. Thomisus) is pro- from these regions, three new species and two previous- posed, and this species is redescribed from the holotype. ly known from only one sex were found. In this paper we Three species names are newly synonymized: Oxypti- describe these new species, describe the previously la lutilenta Schenkel, 1963 and Oxyptila raniceps unknown sexes of Xysticus laticeps Schenkel, 1963 (#) Schenkel, 1963 with Ozyptila inaequalis (Kulczyñs- and Xysticus seserlig Logunov et Marusik, 1994 re- ki, 1901); and Misumena rosea Hu et Wu, 1989 with describe the poorly known species Misumena grubei Misumena grubei (Simon, 1895). (Simon, 1895) from the holotype, and provide new synonyms and faunistic records for Ozyptila inaequa- ÐÅÇÞÌÅ: Îïèñàíî òðè íîâûõ âèäà: Xysticus lis (Kulczyñski, 1901). sharlaa sp.n. (#$; èç Ðîññèè: Òóâà, Áóðÿòèÿ è ×èòèí- ñêàÿ îáëàñòü), Ozyptila kaszabi sp.n. (#$; èç Ìîíãî- Material and Methods ëèè, Ñðåäíåãîáèéñêèé Àéìàê) è Tmarus gaidosi sp.n. (#; èç Ìîíãîëèè, íåèçâåñòíûé ëîêàëèòåò). Âïåðâûå îïèñàíà ñàìêà Xysticus seserlig Logunov et Marusik, Specimens for this study were borrowed from or distrib- uted among the following museums and personal collections: 1994. Ïðèâåäåíî ïåðåîïèñàíèå è ïðåäëîæåíà íîâàÿ HNHM the Hungarian Natural History Museum, Budap- êîìáèíàöèÿ äëÿ Misumena grubei (Simon, 1895) (ex. est, Hungary (Dr. S. Mahunka); IBPN the Institute for Thomisus). Çàìåùàþùåå íàçâàíèå X. gobiensis nom.n. Biological Problems of the North, Magadan, Russia (Dr. ïðåäëîæåíî äëÿ Xysticus laticeps Schenkel, 1963 (ïðå- Yu.M. Marusik); ILE the Institute of Landscape Ecology, îêóïïèðîâàíî Xysticus laticeps Bryant, 1933), ñòàòóñ Nitra, Slovakia (Dr. P.R. Gajdo); ISEA the Institute for êîòîðîãî âîññòàíîâëåí èç ñèíîíèìèè ñ X. sibiricus Systematics and Ecology of Animals, Novosibirsk, Russia Kulczyñski, 1908. Äëÿ Xysticus seserlig Logunov et (Ms G.N. Azarkina); JWC Jörg Wunderlichs personal Marusik, 1994 âïåðâûå îïèñàíà ñàìêà. Òðè âèäîâûõ collection, Straubenhardt, Germany; NMNH the National íàçâàíèÿ âïåðâûå ñèíîíèìèçèðîâàíû: Oxyptila Museum of Natural History, Paris, France (Dr. C. Rollard); SMNH the Swedish Museum of Natural History, Stock- lutilenta Schenkel, 1963 èOxyptila raniceps Schenkel, holm, Sweden (Dr. T. Kronestedt); ZMMU the Zoological 1963 ñ Ozyptila inaequalis (Kulczyñski, 1901), a Museum of the Moscow University, Russia (Dr. K.G. Misumena rosea Hu et Wu, 1989 c Misumena grubei Mikhailov); ZMTU the Zoological Museum, University of (Simon, 1895). Turku, Finland (Drs M. Saaristo & S. Koponen). 316 Yu.M. Marusik & D.V. Logunov Abbreviations used in the text are as follows: ALE clypeus yellow. Sternum, maxillae, labium and chelicerae anterior lateral eyes, AME anterior median eyes, ap yellow-red, with brownish specks. Abdomen cream-coloured, apical, d dorsal, Fm femur, Mt metatarsus, MOA dorsally with 3 pairs of decreasing dark red-brown lines and median ocular area, MOA-L length of MOA, MOA-WA irregular grey spots; ventrally yellow. Book-lung covers yel- anterior width of MOA, MOA-WP posterior width of low. Spinnerets red-brown. Legs: femora and patellae red- MOA, Pt patella, PLE posterior lateral eyes, PME brown with irregular yellow patches, remaining segments posterior median eyes, Tr tarsus, Tb tibia, pr yellow. Spination of leg I: Fm d 0-1-1-1, pr 0-1-1-1-0, Tb pr prolateral, rt retrolateral, v ventral. All measurements & rt 1-1-1, v 2-2-2-2ap, Mt pr & rt 0-1-1-0, v 2-2-2-2ap. are in millimeters. The original material collected by Z. Palpal structure (all specimens with one palp only) as in Figs. Kaszab (in HNHM) contains field numbers only; in this paper 13; tegular apophysis absent, tutaculum rather extended, and we supply those field numbers along with the specimen label embolus coiled. information, originally written in German. Female. Carapace red-brown-yellowish, with red-brown lateral bands. Sternum, maxillae and labium yellow, with red- Survey of species brown specks. Abdomen yellow, with red-brown specks, dorsally with a paired row of dark red-brown patches. Legs and palps with numerous red-brown dots, all joints dorsally Xysticus gobiensis nom.n. with paired grey longitudinal stripes. Spination of leg I: Fem Figs. 15. pr 0-1-1-1-0, Tib v 1-2-1-2-2ap, Met pr 0-1-1ap, rt 0-1-0, v 2-2-2-2-2ap. Epigyne as in Figs. 45; with well margined Replacement name for Xysticus laticeps Schenkel, 1963: 238 fovea, which is not depressed and with distinct copulatory 240, f. 133 ($ holotype from the NMNH, not examined); preoccupied openings. by Xysticus laticeps Bryant, 1933: 178, pl. 3, f. 25 (#). DERIVATIO NOMINIS. The specific epithet is derived Xysticus laticeps: Song & Zhu, 1997: 93, f. 60ab. from the name of the Gobi desert in Mongolia, from where the Material. RUSSIA: Tuva: 1 $ (ZMTU), Ovyurski Distr., 7 majority of records originate. 10km W of Ak-Tschyraa (55°44N 93°08E), 1416.06.1995, S. Koponen. MONGOLIA: Omnogov (South Gobi) Aimak: 3 #, 1 $ (IBPN), Bayandalai Somon, Zoolen uul (Mt. Range) (43°21N Xysticus seserlig Logunov et Marusik, 1994 103°11E), 1700 m a.s.l., 2730.05.1997, Yu.M. Marusik; 2 $$ Figs. 610. (IBPN), Noyon Somon, Noyon uul (Mt. Range), 1900 m a.s.l., 30- 31.05.1997, Yu.M. Marusik; 1 # (IBPN), n 306, expedition of the Xysticus seserlig Logunov et Marusik, 1994: 191, f. 1011 (# Halle University, unknown locality. holotype from the ISEA; examined). DIAGNOSIS. X. gobiensis belongs to the sibiricus sub- Material. RUSSIA: Tuva: 1 $ (ISEA), 2530 km SW of Erzin, group of the labradorensis species group [sensu Marusik, Onchalaan Rocks, 12501300 m a.s.l., 27.05.1989, D.V. Logunov; 1989 and Marusik & Logunov, 1995] and is most similar to X. 1 $ (ISEA), NE shore of Ubsu-Nur Lake (50°40N 92°58E), ca 750 sibiricus Kulczyñski, 1908 [cf. Logunov & Marusik, 1994: m a.s.l., 14.06.1995, Yu.M. Marusik; 1 $ (ISEA), NNE of Ubsu-Nur Lake, Irbitei River Valley (50°44N, 93°08E), 10001200 m a.s.l., figs. 2324 and Marusik & Logunov, 1994: figs. 2426]. 1316.06.1995, Yu.M. Marusik. Chita Area: 1 $ (ISEA), Dahurian Males can be separated by the more twisted embolus (360° Reserve, N bank of Zun-Torei Lake, Kuku-Khadan Mt., 7 compared to 270° or less in X. sibiricus) and females by the 24.06.1995, V.V. Dubalotolov et al.; 3 $$ (ISEA), same reserve, larger copulatory openings (Fig. 4). area between Zun- and Barun-Torei Lakes, north of Utocha COMMENTS. The species X. laticeps was erroneously campground & Teli Mt., 2425.06.1995 O. Kosterin & V. considered a junior synonym of X. sibiricus by one of us Smirnova; 1 $ (ISEA), same reserve, SW shore of Barun-Torei [Marusik, 1989: sub X. leviceps Schenkel, a lapsus]. Later, Lake, Bulum-Khuduk Camp, 23.06.1995, O. Kosterin & O.V. when males of the former species were collected, it became Berezina; 1 #, 1 $ (ISEA), near Nizhni Tsasuchei, Onon River obvious that X. laticeps is a valid species [present data]. right bank, 12.06.1995, V.V. Dubatolov et al.; 4 $$ (ISEA), Onon Dist., ca 18 km WSW of Nizhni Tsasuchei, Lake Butyvken, 25 However, the specific epithet is a junior homonym of Xysticus 27.06.1995, O. Kosterin et al. MONGOLIA: Central Aimak: 1 laticeps Bryant, 1933 known from the USA and Cuba [see # (HMNH), Ulanbaator, Tola Part, 17.04.1971, Z.Peregi. Platnick, 2002]. Therefore, the replacement name X. gobien- DIAGNOSIS. Females of X. seserlig are rather similar to sis nom.nov., is proposed for Schenkels species. a sympatric X. nenilini Marusik, 1989 (see Logunov & Marusik, DISTRIBUTION. Tuva (Russia) and Mongolia [present 1994: figs. 89), from which they can be easily separated by data], Qinghai and Inner Mongolia (China) [Song & Zhu, the Y-shaped posterior epigynal margin (Figs. 89) (straight 1997: sub X. laticeps]. in X. nenilini) and the extended anterior part. DESCRIPTION (# from Mongolia, unknown locality; $ DISTRIBUTION. This is a Mongolian species so far from Tuva). Measurements (#/$). Carapace: 2.25/2.45 long, reported from S. Tuva [Logunov & Marusik, 1994; Logunov 1.95/2.33 wide. Abdomen: 2.38/3.25 long, 1.68 /2.58 wide.