Russian Entomol. J. 25(3): 265–269 © RUSSIAN ENTOMOLOGICAL JOURNAL, 2016 New data on distribution of four species of the genus Trypoxylon (Hymenoptera: Crabronidae: Trypoxylini) in European Russia Íîâûå äàííûå î ðàñïðîñòðàíåíèè ÷åòûðåõ âèäîâ ðîäà Trypoxylon (Hymenoptera: Crabronidae: Trypoxylini) â åâðîïåéñêîé ÷àñòè Ðîññèè A.V. Antropov1, M.V. Mokrousov2 À.Â. Àíòðîïîâ1, Ì.Â. Ìîêðîóñîâ2 1 Zoological Museum of Moscow Lomonosov State University. Bol’shaya Nikitskaya str. 2, Moscow, 125009, Russia. E-mail: [email protected] 2 Institute of Biology and Biomedicine, Lobachevsky State University of Nizhni Novgorod. Gagarina str., 23, Nizhni Novgorod, 603950, Russia. E-mail: [email protected] 1 Зоологический музей Московского государственного университета им. М.В. Ломоносова. Большая Никитская ул., 2. Москва, 125009. Россия. 2 Институт Биологии и Биомедицины Нижегородского государственного университета им. Н.И. Лобачевского, г. Нижний Новгород, пр. Гагарина, 23, 603950, Россия. KEY WORDS: Hymenoptera, Crabronidae, Trypoxylini, Trypoxylon. КЛЮЧЕВЫЕ СЛОВА: Hymenoptera, Crabronidae, Trypoxylini, Trypoxylon. ABSTRACT. New data on distribution of four spe- Schmid-Egger, 2011; Bitsch, 2014], Italy [Mochi, Luchetti, cies of digger wasps of the genus Trypoxylon (Crab- 1994; Pagliano, 1994; Negrisolo, 1995; Pagliano, Scara- ronidae: Trypoxylini) in European Russia are provided. mozzino, 1999; Pagliano, Negrisolo, 2005; Pagliano, 2009; Trypoxylon beaumonti Antropov, 1991 is recordered Strumia et al., 2012], Switserland [Neumeyer, 2000], Germa- for the first time for Russia, T. koreanum Tsuneki, 1956 ny [Schmid-Egger, 1994, 1995; Schmid-Egger et al., 1995; Schmidt et al., 1995; Schmid-Egger et al., 1996; Schmid, is recordered for the first time for European Russia, an Schmid-Egger, 1997; Mader, Chalwatzis, 2000; Schmid- areal of T. rubiginosum Gussakovskij, 1936 is speci- Egger, 2000; Ohl et al., 2001; Mandery et al., 2003; Jacobs, fied, and previously unknown female of T. inopinatum 2007; Frommer, 2009a, b; Schmid-Egger, 2010; Tischendorf Antropov, 1986 is described. et al., 2011; Frommer, 2014], and Austria [Gusenleitner, 1995; Zettel et al., 2013; Zettel et al., 2014], and also was РЕЗЮМЕ. Приведены новые данные о распрост- expanded to Spain [Tormos et al., 1996; Tormos et al., 2005], ранении в Европейской части России четырех видов Andorra [González et al., 2000], Slovakia [Deván, 2004; роющих ос рода Trypoxylon (Crabronidae: Trypoxylini). Vepřek, Straka, 2007], Czech Republic [Vepřek, Straka, Trypoxylon beaumonti Antropov, 1991 впервые указан 2007; Dvořák et al., 2008], Hungary [Frommer, 2009b], с территории России, T. koreanum Tsuneki, 1956 Slovenia [Gogala, 2011], Greece [Standfuss, Standfuss, 2006, впервые указан из Европейской части России, уточнен 2012], and Bulgaria [Ljubomirov, 1999; Guéorguiev, Ljubo- mirov, 2009]. ареал T. rubiginosum Gussakovskij, 1936 и впервые Trypoxylon beaumonti is recorded from Russia for the описана неизвестная ранее самка T. inopinatum first time. Antropov, 1986. DISCUSSION. Occipital carina forming in its lower cor- ners a pair of widened lobes separated from the posterior side Trypoxylon beaumonti Antropov, 1991 of the head and long erect pubescence, particularly on the lower part of the head are the most characteristic peculiarities Trypoxylon beaumonti Antropov, 1991, $, # for both sexes of this species differing it from other Russian $$ ## MATERIAL. RUSSIA: 4 , 6 , Krasnodar reg., Gelendzhik representatives of the species-subgroup attenuatum. Further- distr., Krinitsa env. 44,400°N 38,316°E, forest stream. 6–13.IX.2009 (K. Tomkovich) [Zoological Museum of Moscow Lomonosov State more, females of T. beaumonti differ by distinctly developed University — ZMMU]. lateral angles of clypeus boardering a strongly protruded medi- DISTRIBUTION. Trypoxylon beaumonti was described al lobe. Males of T. beaumonti also differ by genitalia with in the revision of the species-subgroup attenuatum on a series obtuse preapical lateral angles of penis narrower than preapi- of specimens of the both sexes from Portugal, France, Italy, cal hooks, with parameres bilobed apically deeper than the Switzerland, Germany, and Austria. level of penis preapical hooks and with straight apical lobe, In the next years distribution of T. beaumonti was con- and volsellae bearing short marginal bristles. firmed for France [Ljubomirov, 1999; Schmid-Egger, 2001; We suppose, that in this case it is hardly justified to speak Vago, 2007; Frommer, 2009b; van der Smissen, 2010; about the expansion of the species to the East. Most likely, 266 A.V. Antropov, M.V. Mokrousov researchers simply began to pay attention to the earlier un- the antero-ventral margin of mesopleura. Finally, T. inopina- known peculiarities, differing T. beaumonti from other Euro- tum differs from all members of the species-group figulus by pean members of the species-subgroup attenuatum. the form of the first abdominal segment having almost straight lateral sides weakly and uniformly diverging from the base to Trypoxylon inopinatum Antropov, 1986 apex, instead of concave anteriorly in other species. Trypoxylon inopinatum Antropov, 1986b, # DISTRIBUTION. Russia (Krasnodarsky kray: Laza- MATERIAL. RUSSIA: 1$, Krasnodar reg, Temryuk distr., 2 revskoye, Temryuk). km SE from vil. Kuchugury, 45.381613°N, 37.022832° E, 16.06. 2014 (Mokrousov) [ZMMU]. Trypoxylon koreanum Tsuneki, 1956 DESCRIPTION. Female (described for the first time). Trypoxylon koreanum Tsuneki, 1956, # Head in frontal view rounded, slightly wider than height = Trypoxylon mowchowense Tsuneki, 1981a, $ (74:65). Clypeus with convex basal surface and distinct = Trypoxylon okeanskayanum Tsuneki, 1981a, $, # apical border, bearing a pair of small medial teeth and round- MATERIAL. RUSSIA: 1$, 3##, Belgorod reg., Belgorod ed lateral angles. Supraclypeal sclerite shorter than wide. dist., vil. Pulyaevka, 10–12.07.2007 (Potanin) [ZMMU]. Supraantennal tubercle tuberiform, with very weak medial DISTRIBUTION. Russia: Primorskiy Kray (Adimi, carina not reaching its apex, with obtuse-angled transverse Okeanskaya, Sutshan, Sedanka, Kongaus, Gornotayozhnoye, apical carina, connected ventrally by a medial carenula be- Poyma river, Ussuriyskiy reserve, Lazo, Lazovsky reserve, tween narrow antennal socket rims. Postantennal furrow Anisimovka, Barabash-Levada, “Kedrovaya Pad’” reserve), undeveloped. Front convex, flat-concave medially. Ratio of Sakhalin Island. China: Inner Mongolia (Dyn-yuan’-in, N distances between eyes on vertex and clypeus = 28:20; ratio Alashan’); Szechuan (Mowchow); Yunnan. Korea: Seoul. of distance between eye and ocellus to ocellar diameter and Trypoxylon koreanum is mentioned from European Rus- distance between lateral ocelli = 4:5:8. Third antennal seg- sia for the first time. ment twice longer its maximum width (11:5). Occipital cari- DISCUSSION. This species was discovered for the first na thin, complete circled, divided by distance exceeding time by V. Gussakovskij [1932] among the materials of the foretibial width from hypostomal carina. Pronotal collar twice expedition of R. Malaise to the Far East and Kamchatka, but longer its black posterior band. Scutellum flat-convex. Prop- was mistakenly identified as Trypoxylon varipes Pérez, 1905. odeal dorsal area not enclosed laterally by furrows, with Later, it was mentioned under the same name in the revision shallow medial furrow (its width is equal to hindocellar of the Palaearctic species of the genus Trypoxylon [Gussakov- diameter); lateral carina distinct, though weak. Hindcoxal skij, 1936]. organs round, pitshaped, weakly margined posteromedially, Only 20 years later K. Tsuneki has described a separate placing posteriorly from coxal middle. First abdominal seg- species on two males from Korea under the name T. korea- ment clavate, with straight lateral sides, moderately and num and included it into the key of the species from north- uniformly widened posteriorly, with ratio of its length to eastern Asia [Tsuneki, 1956]. After this T. koreanum was maximum apical width and minimum basal width = 63:21:15. secondarily discovered in Russian Far East [Kazenas, 1980]. Pygidium uniformly tapered apically, ridgeless. Next year K. Tsuneki has described two similar species Front densely punctate (punctures 0.5–1 diameters apart), — T. mowchowense Tsuneki, 1981a from China (Szechuan) densely (especially medially) microsculptured, dull. Vertex and T. okeanskayanum Tsuneki, 1981a from the south of more delicately punctate, semidull. Scutum like frontal mid- Primorskiy Kray. At the same time, T. koreanum has not dle densely punctate and microsculptured, dull. Scutellum been mentioned in any of his publication untill 1981, when punctate more delicately than scutum, semidull. Mesopleu- he has published the revision of the species of Japan and ron sculptured almost like scutum (punctures 2–4 diameters north-eastern Asia with additions to his original description apart), microsculptured, semidull. Anterior part of metapleu- of T. koreanum from Korea [Tsuneki, 1981b]. But in the ron shiny. Propodeal dorsum completely obliquely striate, generalizing paper, devoted to the “tentative grouping of with medial furrow transversely carinate. Propodeal hind the Trypoxylon species based upon the structure of the male side delicately transversely rugose. Propodeal lateral sides genital organs” [Tsuneki, 1981c] only T. koreanum and T. obliquely densely microstriate and micropunctate, semidull. okeanskayanum were mentioned as separate species from Pubescence silvery, short (mainly