Streblocera, Westwood, 1883

Long, Khuat Dang & Nhi, Pham Thi, 2020, Notes on the genus Streblocera Westwood, 1883 (Hymenoptera: Braconidae: Euphorinae) from Vietnam, with description of four new species, Zootaxa 4767 (3), pp. 402-414 : 403-404

publication ID	https://doi.org/ 10.11646/zootaxa.4767.3.2
publication LSID	urn:lsid:zoobank.org:pub:91221D05-77DA-4883-A301-96607B86302C
DOI	https://doi.org/10.5281/zenodo.3797088
persistent identifier	https://treatment.plazi.org/id/960887D4-6933-FF84-FF06-F515FA0F1C5C
treatment provided by	Plazi
scientific name	Streblocera
status

Treatment

Key to Streblocera View in CoL View at ENA species from Vietnam

1. Scapus robust, length of scapus 4.0–5.0 × its maximum width (without horn) ( Figs 23 View FIGURE 23 , 30 View FIGURES 24–33 ); propodeum distinctly convex ante- riorly higher upper level of scutellum ( Figs 23 View FIGURE 23 , 28 View FIGURES 24–33 ).............. Streblocera (Eutanycerus) trangana Long & Pham , sp. n.

- Scapus slender, length of scapus 6.5–9.5 × its maximum width (without horn) ( Figs 8 View FIGURES 2–11 , 19 View FIGURES 13–22 , 41 View FIGURES 35–45 ); propodeum at the upper level of scutellum ( Figs 6 View FIGURES 2–11 , 39 View FIGURES 35–45 ).................................................................................. 2

2. Fifth flagellomere geniculate (Fig. 82 in Belokobylskij, 2000b); second to fifth flagellomeres with pointed tubercles baso-ventrally (Fig. 82 in Belokobylskij, 2000b), 19 antennomeres............................ S. (E.) thayi Belokobylskij, 2000 View in CoL

- Seventh flagellomeres geniculate ( Figs 7 View FIGURES 2–11 , 18 View FIGURES 13–22 , 40 View FIGURES 35–45 ; Fig. 76 in Belokobylskij, 2000b); second to sixth flagellomeres serrate ( Figs 7 View FIGURES 2–11 , 40 View FIGURES 35–45 ), if not then fused immobile and slightly compressed with deep ventral excisions between flagellomeres (Fig. 76 in Belokobylskij, 2000b); antenna with 19–25 antennomeres......................................................... 3

3. First-fifth flagellomeres not serrate; scapus shorter, less than 6.5 × its maximum width (without horn) ( Fig. 2B View FIGURES 2–11 in Watanabe, 1942. China, Japan, Russia....................................................... S. (E.) okadai Watanabe, 1942 View in CoL

- At least first to fifth flagellomeres serrate ( Figs 7 View FIGURES 2–11 , 18 View FIGURES 13–22 , 40 View FIGURES 35–45 ) or fused immobile and slightly compressed with deep ventral excisions between flagellomeres (Fig. 76 in Belokobylskij, 2000b); scapus long, 7.5–9.4 × its maximum width (without horn) ( Figs 8 View FIGURES 2–11 , 19 View FIGURES 13–22 , 41 View FIGURES 35–45 )............................................................................................ 4

4. Scapus long, length of scapus 9.3–9.4 × as long as its maximum width (without horn) ( Figs 19 View FIGURES 13–22 , 41 View FIGURES 35–45 ); antenna with 23–25 antennomeres ( tuyenquangensis & quangbinhensis ).............................................................. 5

- Scapus shorter, length of scapus 7.5–7.8 × as long as its maximum width (without horn) ( Fig. 8 View FIGURES 2–11 ; Fig. 75 in Belokobylskij, 2000b); antenna with 19–21 antennomeres ( intermedia & pila View in CoL )................................................. 6

5. First metasomal tergite rather long, median length 2.3 × as long as its apical width ( Fig. 42 View FIGURES 35–45 ); apical width 3.75 × minimum width; vein cu-a of fore wing distinctly postfurcal ( Fig. 44 View FIGURES 35–45 )........................ S. (E.) tuyenquangensis Long , sp. n.

- First metasomal tergite shorter, median length 1.6 × as long as its apical width ( Fig. 20 View FIGURES 13–22 ); apical width 3.3 × minimum width; vein cu-a of fore wing slightly postfurcal ( Fig. 22 View FIGURES 13–22 )................................ S. (E.) quangbinhensis Long , sp. n.

6. First metasomal tergite slender, length of first metasomal tergite 2.45 × apical width; apical width of first metasomal tergite 2.75 × its minimum width ( Fig. 10 View FIGURES 2–11 ); antenna with 21 antennomeres........................... S. (E.) intermedia Long , sp. n.

- First metasomal tergite shorter, length of first metasomal tergite 1.6 × apical width; apical width of first metasomal tergite 3.0 × its minimum width (Fig. 74 in Belokobylskij, 2000b); antenna with 19–20 antennomeres... S. (E.) pila Belokobylskij, 2000 View in CoL