Streblocera Westwood 1883

Revised checklist and distribution of Streblocera species occurring in the Oriental region Streblocera (Asiastreblocera) cornuta Chao, 1964. China Streblocera (A.) dayuensis Wang, 1983. China, Philippines Streblocera (A.) laichauensis Long, sp. nov. Vietnam Streblocera (A.) olivera Quicke & Purvis, 2001. Thailand Streblocera (A.) planicornis Chen & He, 2000. China Streblocera (A.) rhinoceros Belokobylskij, 2000. Vietnam Streblocera (Eutanycerus) achterbergi Shamim, 2013. India Streblocera (E.) adusta Chou, 1990. China Streblocera (E.) amplissima Chou, 1990. China Streblocera (E.) aurrayyus Shamim, 2013. India Streblocera (E.) carinifera Li, Chen and van Achterberg, 2021. China Streblocera (E.) chaoi You & Zhou, 1993. China Streblocera (E.) cornis Chen & van Achterberg, 1997. China, Vietnam Streblocera (E.) curta Chou, 1990. China Streblocera (E.) destituta Chou, 1990. China Streblocera (E.) distincta Chen & van Achterberg, 1997. China Streblocera (E.) ekphora Chao, 1993. China Streblocera (E.) emeiensis Wang, 1981. China Streblocera (E.) etawahiana Shamim, 2013. India Streblocera (E.) flava You & Xiong, 1988. China Streblocera (E.) gigantea Chen & van Achterberg, 1997. China Streblocera (E.) guangxiensis You & Zhou, 1988. China Streblocera (E.) hatinhensis Long, sp. nov. Vietnam Streblocera (E.) hayati Shamim, 2013. India Streblocera (E.) himalayica Belokobylskij, 2000. Nepal Streblocera (E.) hsiufui You, 1999. China Streblocera (E.) intermedia Long, 2020. Vietnam Streblocera (E.) janus Chen & van Achterberg, 1997. China Streblocera (E.) kanpurensis Shamim, 2013. India Streblocera (E.) kenchingi Chou, 1990. China Streblocera (E.) laterostriata Li, Chen and van Achterberg, 2021. China Streblocera (E.) levipleuron Shamim, 2013. India Streblocera (E.) liboensis Chen & He, 2002. China Streblocera (E.) lienhuachihensis Chou,1990. China Streblocera (E.) linearata Chen & van Achterberg, 1997. China Streblocera (E.) nantouensis Chou, 1990. China Streblocera (E.) netrangana Long, sp. nov. Vietnam Streblocera (E.) neutra Long, sp. nov. Vietnam Streblocera (E.) nigra Chou, 1990. China Streblocera (E.) obtusa Chen & van Achterberg, 1997. China Streblocera (E.) octava Chou, 1990. China Streblocera (E.) okadai Watanabe, 1942. China, Vietnam Streblocera (E.) opima Chou, 1990. China, Vietnam Streblocera (E.) parucifera Long, sp. nov. Vietnam Streblocera (E.) pila Belokobylskij, 2000. Vietnam Streblocera (E.) primotina Chou, 1990. China Streblocera (E.) quangbinhensis Long, 2020. Vietnam Streblocera (E.) quinaria Chou, 1990 Taiwan Streblocera (E.) hsiufui You, 1999. China Streblocera (E.) sharifi Shamim, 2013. India Streblocera (E.) shawi Shamim, 2013. India Streblocera (E.) shujauddini Shamim, 2013. India Streblocera (E.) sichuanensis Wang, 1986. China Streblocera (E.) sungkangensis Chou, 1990. China Streblocera (E.) taiwanensis Chou, 1990. China Streblocera (E.) thayi Belokobylskij, 2000. Vietnam Streblocera (E.) trangana Long & Pham, 2020. Vietnam Streblocera (E.) tsuifengensis Chou, 1990. China Streblocera (E.) tuyenquangensis Long, 2020. Vietnam Streblocera (E.) uncifera Li, Chen and van Achterberg, 2021. China Streblocera (Streblocera) aglaia Wang, 1993. China Streblocera (S.) chiuae Chou, 1990. China Streblocera (S.) curvata Belokobylskij, 2000. Nepal Streblocera (S.) duplicata Long, sp. nov. Vietnam Streblocera (S.) emarginata Chou, 1990. China Streblocera (S.) hefengensis Wang, 1993. China Streblocera (S.) hei You & Xiao, 1993. China Streblocera (S.) helvenaca Chou, 1990. China Streblocera (S.) huuliena Long & PQMai, sp. nov. Vietnam Streblocera (S.) immensa Chou, 1990. China Streblocera (S.) interrupta Li, Chen and van Achterberg, 2021. China Streblocera (S.) lalashanensis Chou, 1990. China Streblocera (S.) latibrocha Chou, 1990. China Streblocera (S.) lini Chou, 1990. China Streblocera (S.) meifengensis Chou, 1990. China Streblocera (S.) necurvata Long & PQMai, sp. nov. Vietnam Streblocera (S.) panda Chou, 1990. China Streblocera (S.) shaowuensis Chao, 1964. China Streblocera (S.) setosa Long, sp. nov. Vietnam Streblocera (S.) stigenbergae Li, Chen and van Achterberg, 2021. China Streblocera (S.) tachulaniana Chao, 1964. China Streblocera (S.) tayulingensis Chou, 1990. China Streblocera (S.) triquetra Chou, 1990. China Streblocera (S.) trullifera Li, Chen and van Achterberg, 2021. China Streblocera (S.) tungpuensis Chou, 1990. China Streblocera (S.) zoroi Li, Chen and van Achterberg, 2021. China Streblocera (Villocera) villosa Papp, 1985. China, Vietnam Key to Vietnamese Streblocera species (based on females) 1. First flagellomere lanceolate (Fig. 2D); face with horn-like prominence submedially (Figs 1, 2B; see Fig. 3 in Belokobylskij 2000a); fifth sternite of female with or without posteroventral pair of spines (Fig. 1, see Fig. 6 in Belokobylskij 2000a); (subgenus Asiastreblocera)............................................................................. 2 - First flagellomere cylindrical, not lanceolate (Figs 4E, 6J, 8G, 14H, 18F); face without horn-like prominence submedially (Figs 10C, 12C, 14C); fifth sternite of female without posteroventral pair of spines (Figs 3, 5, 13, 15)........................ 3 2. Scapus robust (Figs 1, 2A); fifth sternite without posteroventral spines (Fig. 1)........................................................................................... Streblocera (Asiastreblocera) laichauensis Long, sp. nov. - Scapus slender (Fig. 5 in Belokobylskij 2000a); fifth sternite with distinct posteroventral spines (Fig. 6 in Belokobylskij 2000a);............................................................... S. (A.) rhinoceros Belokobylskij, 2000 3. Fifth flagellomere modified with unusual long prominence apico-ventrally, twice as long as width of fourth flagellomere (see Fig. 29B in Li et al. 2020); antennal sockets reaching up to upper level of eyes (see Fig. 29D in Li et al. 2020); face strongly flattened and tomentose (see Fig. 29C in Li et al. 2020); (subgenus Villocera)................................................................. Streblocera (Villocera) villosa Papp, 1985 (= Streblocera guizhouensis You and Lou, 1993) - Fifth flagellomere usually not modified, if modified then with short prominence apico-ventrally (Figs 6J, 8G, 10H, 18F); antennal sockets near upper level of eyes (Figs 6B, 8B, 10B, 14B, 16B, 18B); face more or less convex and mostly with densely short setae (Figs 4B, 8B, 12B, 16B)....................................................................... 4 4. First flagellomere modified, with a hook-like process ventro-apically (Figs 12G, 14H, 16E) or strongly depressed and distinctly longer than second flagellomere (Fig. 18F); in some species second flagellomere submedially inserted on first flagellomere; first–seventh flagellomeres without apical processes (Figs 16E, 18F) (subgenus Streblocera)......................... 5 - First flagellomere normal (not modified), without protruding corner apically (Figs 4E, 6J, 8G); in some species second flagellomere apically inserted on first flagellomere; first–seventh flagellomeres usually modified, with apical processes (Figs 6J, 10H) (subgenus Eutanycerus)......................................................................... 8 5. First flagellomere nearly straight, 6.5 × as long as wide (Fig. 18F); first and second flagellomeres with dense sensillae ventrally (Fig. 18F); first metasomal tergite elongate, length of first tergite 2.6 × its apical width (Fig. 18C); antenna with 15 antennomeres................................................................ Streblocera (S.) setosa, sp. nov. - First flagellomere distinctly curved (Figs 12G, 14H, 16E) 6.0–6.5 × as long as wide; first and second flagellomeres with sparse sensillae ventrally (Figs 12G, 14H, 16E); first metasomal tergite not elongate, length of first tergite 1.6–2.0 × its apical width (Figs 12H, 14F, 16H); antenna with 14–16 antennomeres...................................................... 6 6. Length of scapus 8.7 × its maximum width (Fig. 14H); vein 1-R1 of fore wing rather short, 0.3 × as long as pterostigma (Fig. 14I); first metasomal tergite 1.6 × as long as its apical width (Fig. 14F); antenna with 14 antennomeres; penultimate flagellomere distinctly shorter than ultimate flagellomere; propodeum dark brown (Fig. 14G)...... S. (S.) huuliena, sp. nov. - Length of scapus 6.5–6.6 × its maximum width (Figs 12G, 16E); vein 1-R1 of fore wing 0.5–0.6 × as long as pterostigma (Figs 12I, 16I); first metasomal tergite 1.8–2.2 × as long as its apical width (Figs 12H, 16H); antenna with 16 antennomeres; penultimate flagellomere subequal to ultimate flagellomere; propodeum yellow entirely or posteriorly (Figs 12F, 16G)..... 7 7. Vein r of fore wing arising distinctly behind middle of pterostigma (Fig. 16I); vein SR1 distinctly curved submedially; vein 1-M 0.6 × 2-SC+R; length of first tergite 1.8 × its apical width (Fig. 16H); propodeum without areola medially (Fig. 16G); mesoscutum entirely (Fig. 16D) and propodeum anteriorly dark brown (Fig. 16G).............. S. (S.) necurvata, sp. nov. - Vein r of fore wing arising from middle of pterostigma (Fig. 12I); vein SR1 weakly curved submedially; vein 1-M subequal to 2-SC+R; length of first tergite 2.2 × its apical width (Fig. 12H); propodeum with areola medially (Fig. 12F); mesoscutum (Fig. 12D) and propodeum entirely yellow (Fig. 12F).......................................... S. (S.) duplicata, sp. nov. 8. Scapus without pointed horn baso-ventrally (Figs 4E, 6H)..................................................... 9 - Scapus with pointed horn baso-ventrally (Figs 8F, 10I)....................................................... 11 9. Scapus 6.0 × its maximum width (Fig. 6H); pterostigma 1.8 × 1-R1; vein r of fore wing arising behind pterostigma (Fig. 6I); apical width of first metasomal 2.5 × as wide as its minimum width (Fig. 6C); antenna with 20–21 antennomeres................................................................