Eopompilus Gussakovskij, 1932

Loktionov, Valery M., Lelej, Arkady S. & Xu, Zaifu, 2017, Review of the genus Eopompilus Gussakovskij, 1932 (Hymenoptera: Pompilidae) with the description of new species from China, Zootaxa 4277 (3), pp. 413-426 : 414-415

Eopompilus Gussakovskij, 1932

Eopompilus Gussakovskij, 1932: 34 , ♀; Haupt 1934: 15; Ishikawa 1962: 331, ♀, ♂ ; 1965a: 510, ♀ ♂; 1965: 295; Lelej 1986: 80, ♀ ♂ ; 1995: 212, 216, 224, ♀ ♂; 2000: 621; Hirashima 1989: 662; Lelej & Yamane 1992: 102, ♀ ; Lelej et al. 1994: 138, ♀ ♂ ; Shimizu 1996a: 320, 324, ♀ ♂ ; 1996b: 507; Yamane et al. 1999: 344, ♀ ♂ ; Lelej & Loktionov 2012: 412; Loktionov & Lelej 2014: 94, ♀, ♂ ; 2015: 90, 91, 100, ♀ ♂; Ji et al. 2015: 2, ♀ ♂ ; Shimizu & Terayama 2016: 183, 186, 205, ♀ ♂ .

Sialus Matsumura, 1911: 136 . Subsequent misspelling of Salius Fabricius, 1804 . Unavailable name according to Article 33.3 of the Code (ICZN 1999).

Salius: Matsumura 1912: 188 , ♀ ♂; 1931: 24, part.

Priocnemis: Yano 1932: 288 .

Type species. Eopompilus orientalis Gussakovskij, 1932 = Sialus (!) internalis Matsumura, 1911 , by original designation.

Diagnosis. Females. Females are easily separated from all other genera of tribe Priocnemini by having inner side of metatibia with smooth furrow along upper margin of brush, S2 with weak transverse furrow, and face along inner orbit always with yellow or ivory strip. Other characters of importance are: first flagellomere 5.0–6.3 times its width; propodeum matt and smooth, sometimes with dense soft punctures; claws with additional small tooth; body black or brown with few or abundant yellow spots on: head, mesosoma, metasoma and legs, face along inner orbit always with yellow spots; antenna from black with yellow-orange ventral side to almost yellow-brown ( Figs 1, 3, 7 , 8 ).

Males. Males are easily separated from all other genera of tribe Priocnemini by having posterior margin of S6 with row of dense short equal length bristles ( Fig. 17 ), and flagellomeres 2–11 serrate beneath ( Fig. 2 ). Other characters of importance are: first flagellomere 2.3–4.2 times its width; propodeum smooth or with dense punctures; tarsal claws usually without additional tooth, but sometimes bifid, with additional inner small tooth; body black or dark brown with few or abundant yellow (yellow-orange) spots on: head, mesosoma, metasoma and legs ( Figs 2, 4, 5, 6 ).

Species included. Eopompilus internalis ( Matsumura, 1911) ( Russia: Far East; South Korea; Japan: from Hokkaido in the North to Tanegashima in the South); E. minor Gussakovskij, 1932 ( Russia: Far East; China: Heilongjiang, Hebei, Ningxia, Henan, Taiwan; South Korea ; Japan: from Hokkaido in the North to Yakushima in the South); E. luteus Lelej, 1986 ( Russia: Far East; China: Heilongjiang, Ningxia, Hebei, Henan) ; E. ungulivarius Ji & Ma, 2015 ( China: Ningxia) ; E. pseudominor Loktionov, Lelej & Xu , sp. nov. ( China: Yunnan) .

Distribution. Palaearctic: Russia (the South of the Far East), China (Inner Mongolia, Heilongjiang, Ningxia, Hebei, Henan), South Korea, Japan (from Hokkaido in the North to Yakushima in the South). Oriental Region: China (Yunnan, Taiwan).

Biology. Spiders ( Araneae ) from the genera Achaearanea Strand , Theridion Walckenaer (Theridiidae) , Leucauge White (Tetragnathidae) ( Nambu & Shimizu 1994, Lelej 1995, Loktionov & Lelej 2014), and Araneus Clerck (Araneidae) have been recorded as hosts (see below) ( Fig. 43 ).

Figures

FIGURE 43. Female of Eopompilus luteus with paralyzed spider Araneus ventricosus, Russia, Primorskij Terr. Photo by L. Petrova.

FIGURES 1 – 7. Eopompilus. Habitus, lateral view. 1, 2. E. internalis (Russia, Primorskij Terr.). 3, 4. E. minor (Russia, Primorskij Terr.). 5. E. ungulivarius (China, Ningxia). 6, 7. E. luteus (Russia, Primorskij Terr.). 1, 3, 7. Females. 2, 4, 5, 6. Males. (1, 2 from: Loktionov & Lelej 2014).

FIGURES 8 – 16. Eopompilus, females. 8 – 14. E. pseudominor, sp. nov., holotype. 15. E. internalis (Russia, Primorskij Terr.). 16. E. minor (Russia, Primorskij Terr.). 8. Habitus, lateral view. 9. Head and mesosoma, lateral view. 10. Metasoma, dorsal view. 11. Head, frontal view. 12, 15. Clypeus, frontal view. 13, 16. Propodeum, dorso-lateral view. 14. Head, pronotum and scutum, dorsal view.

FIGURES 17 – 25. Eopompilus, males. 17, 19, 22. E. internalis (Russia, Primorskij Terr.). 18, 23. E. luteus (Russia, Primorskij Terr.). 20, 24. E. minor (Russia, Primorskij Terr.). 21, 25. E. ungulivarius (China, Ningxia). 17. S 6, ventral view. 18 – 21. Genitalia, ventral view. 22 – 25. Hypopygium, ventral view. Scale bar for 18 – 20, 22 – 24 = 0.5 mm, for 21, 25 = 0.2 mm. (18 – 20, 22 – 24 from: Loktionov & Lelej 2014).