Streblocera Westwood 1883
Creators: name: Mai, Pham Quynh
name: Long, Khuat Dang
name: Hiep, Nguyen Duc
name: Hoa, Dang Thi
name: Duong, Tran Dinh
Publisher: name: Zenodo
Year: 2025
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Hymenoptera
Braconidae
Streblocera

description: 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....................................................................................... S. (E.) netrangana, sp. nov.
- Scapus 7.4–7.8 × its maximum width (Fig. 4E); vein r of fore wing arising distinctly behind pterostigma (Fig. 4H, see Fig. 11A in Li et al. 2020); apical width of first metasomal 2.0× as wide as its minimum width (Fig. 4F); antenna with 19–20 antennomeres....................................................................................... 10
10. Occipital carina complete (Fig. 4A); antenna with 20 antennomeres; sixth–seventh flagellomeres with ventro-apical hook-liked prominences (= pointed tubercles) (Fig. 4E); first flagellomere 1.6 × as long as second flagellomere (Fig. 4E); pterostigma 1.75 × 1-R1; ovipositor curved upwards (Fig. 3)........................................... S. (E.) hatinhensis, sp. nov.
- Occipital carina incomplete; antenna with 19 antennomeres; fifth–sixth flagellomeres with ventro-apical hook-liked prominences (= pointed tubercles) (see Fig. 11B in Li et al. 2020); first flagellomere 1.4 × as long as second flagellomere (see Fig. 11A in Li et al. 2020); pterostigma 1.8 × 1-R1 (see Fig. 11A in Li et al. 2020); ovipositor wave-like, bent.... S. (E.) opima Chou, 1990
11. Scapus robust, length of scapus 4.0–5.0 × its maximum width (without horn) (Figs 23, 30 in Long & Pham 2020); propodeum distinctly convex anteriorly higher upper level of scutellum (Figs 23, 28 in Long & Pham 2020); antenna with 19 antennomeres........................................................... S. (E.) trangana Long & Pham, 2020
- Scapus slender, length of scapus 6.5–9.5 × its maximum width (without horn) (Figs 8, 19, 41 in Long & Pham 2020); propodeum at the upper level of scutellum (Figs 6, 39 in Long & Pham 2020); the number of antennomeres is variable............. 12
12. Fifth–seventh flagellomeres serrate ventrally (Figs 8G, 10H); antenna with 24–26 antennomeres..................... 13
- Fifth–seventh flagellomeres straight ventrally (see 7, 18, 29 in Long & Pham 2020; Fig. 5B in Li et al. 2020); antenna with 19–25 antennomeres.................................................................................. 14
13. Scapus slightly expanded apically, wider apically than basally (Fig. 10I); vein cu-a of fore wing interstitial, vein 1-CU1 square (Fig. 10J); first tergite round rugose medio-subapically (Fig. 10G); antenna with 26 antennomeres S. (E.) paruncifera, sp. nov.
- Scapus hardly expanded apically, as wide basally as apically (Fig. 8F); vein cu-a of fore wing postfurcal, vein 1-CU1 0.7 × as long as cu-a (Fig. 8I); first tergite foveolate-punctate medio-subapically (Fig. 8H); antenna with 24 antennomeres........................................................................................... S. (E.) neutra, sp. nov.
14. Fifth flagellomere geniculate (Fig. 82 in Belokobylskij, 2000b); second–fifth flagellomeres with pointed tubercles baso-ventrally (Fig. 82 in Belokobylskij, 2000b), antenna with 19 antennomeres.............. S. (E.) thayi Belokobylskij, 2000
- Seventh flagellomere geniculate (Figs 7, 18, 40 in Long & Pham 2020; Fig. 75 in Belokobylskij, 2000b); second–sixth flagellomeres serrate (Figs 7, 40 in Long & Pham 2020), if not then fused immobile and slightly compressed with deep ventral excisions between flagellomeres (Fig. 75 in Belokobylskij, 2000b); antenna with 20–25 antennomeres................. 15
15. First–fifth flagellomeres not serrate and lacking pointed tubercles baso-ventrally; scapus shorter, less than 6.5 × its maximum width (without horn) (Fig. 2B in Watanabe, 1942; Fig. 24 in Chen & van Achterberg, 1997). China, Japan, Russia .................................................................................... S. (E.) okadai Watanabe, 1942
- At least first to fifth flagellomeres serrate (Figs 7, 18, 40 in Long & Pham 2020) or with pointed tubercles baso-ventrally (Fig. 82 in Belokobylskij, 2000b) or fused immobile and slightly compressed with deep ventral excisions between segments (Fig. 76 in Belokobylskij, 2000b); scapus long, 7.1–9.4 × its maximum width (without horn) (Figs 8, 19, 41 in Long & Pham 2020).. .................................................................................................. 16
16. Scapus with a minute horn situated in basal 0.3 of scapus ventrally (see Fig. 528 in Chen & van Achterberg, 1997); seventh flagellomere with rather long hook-like prominence (see Fig. 5B in Li et al. 2020).................................................................................................... S. (E.) cornis Chen & van Achterberg, 1997
- Scapus with acute pointed horn baso-ventrally (see Figs 8, 19, 41 in Long & Pham 2020); seventh flagellomere with small hook-like prominence (see Figs 7, 18, 40 in Long & Pham 2020).............................................. 17
17. In lateral view, transverse width of eye 1.9–2.0 × as long as temple (Fig. 4 in Long & Pham 2020).................................................................................................. S. (E.) intermedia Long, 2020
- In lateral view, transverse width of eye less than 1.5 × as long as temple (Figs 15, 37 in Long & Pham 2020)............ 18
18. Scapus long, length 8.9 × as long as its maximum width (without horn) (Fig. 41 in Long & Pham 2020).......................................................................................... S. (E.) tuyenquangensis Long, 2020
- Scapus shorter, length 7.2–7.5 × as long as its maximum width (without horn) (Fig. 19 in Long & Pham 2020; Fig. 75 in Belokobylskij, 2000b)................................................................................ 19
19. In dorsal view, transverse diameter (=length) of eye 1.8 × as long as temple (Fig. 13 in Long & Pham 2020); apical width of first metasomal tergite 3.3 × its minimum width; length of pterostigma 4.0 × its width; antenna with 23–25 antennomeres........................................................................... S. (E.) quangbinhensis Long, 2020
- In dorsal view, transverse diameter (=length) of eye 1.4 ×as long as temple (Fig. 73 in Belokobylskij,2000b); length of pterostigma 3.0 × its width; apical width of first metasomal tergite 3.0 × its minimum width; antenna with 19–20 antennomeres.................................................................................. S. (E.) pila Belokobylskij, 2000
description: Published as part of Mai, Pham Quynh, Long, Khuat Dang, Hiep, Nguyen Duc, Hoa, Dang Thi & Duong, Tran Dinh, 2025, Review of the genus Streblocera Westwood, 1883 (Hymenoptera, Braconidae, Euphorinae) in Vietnam, with descriptions of nine new species, pp. 59-92 in Zootaxa 5627 (1) on pages 60-63, DOI: 10.11646/zootaxa.5627.1.2, http://zenodo.org/record/15324979