Austerocardiochiles, Dangerfield, Austin & Whitfield, 1999

Long, Khuat Dang, Oanh, Nguyen Thi, Dzuong, Nguyen Van & Hoa, Dang Thi, 2019, Two new species of the genus Austerocardiochiles Dangerfield, Austin & Whitfield 1999 (Hymenoptera: Braconidae: Cardiochilinae) from Vietnam, Zootaxa 4657 (3), pp. 587-595 : 589

Key to Austerocardiochiles species from Oriental region

1. Epicnemial carina absent; hind basitarsus almost cylindrical; first metasomal tergite widened apically ( Figs 8 , 23 ; Fig. 3 in Chen et al. 2004), length of first tergite 0.9–1.1 × as long as its maximum width................................... 2

- Epicnemial carina present; hind basitarsus distinctly compressed; first metasomal tergite slender, hardly or slightly widened apically ( Figs 5, 8 in Chen et al. 2004; Fig. 6 in Ahmad & Shujauddin 2004), length of first tergite 1.4–2.0 × as long as its maximum width...................................................................................... 4

2. Antenna yellowish orange basally ( Fig. 1 ); clypeus sharply convex ventrally, with faint tubercles ( Fig. 3 ); vein SR1 of fore wing evenly curved basally ( Figs 9, 10 ); hind wing with 4 hamuli ( Fig. 11 ); hind tarsal claw pectinate with 5 teeth ( Fig. 12 ). Vietnam.......................................................................... A. mellosus Long , sp. n.

- Antenna dark brown to black entirely ( Fig. 14 ); clypeus evenly convex ventrally, with obsolescent tubercles ( Fig. 16 ; Fig. 2 in Chen et al. 2004); hind wing with 6 hamuli ( Fig. 22 ); vein SR1 of fore wing more or less angularly bent basally ( Fig. 20 , Fig. 1 in Chen et al. 2004); hind tarsal claw pectinate with 6 teeth ( Fig. 25 )........................................... 3

3. Vein SR1 of fore wing angularly bent in basal 0.2 ( Fig. 1 in Chen et al. 2004); vein 1-CU1 0.27 × vein 2-CU1; length of first metasomal tergite 0.9 × as long as broad; median length of second tergite 0.62 × as long as third tergite ( Fig. 3 in Chen et al. 2004). China............................................................. tujiazu Chen, Whitfield & He, 2004

- Vein SR1 of fore wing hardly bent in basal ( Fig. 20 ); vein 1-CU1 0.4 × vein 2-CU1; length of first metasomal tergite 0.95 × as long as broad; median length of second tergite 0.52 × as long as third tergite ( Fig. 24 ). Vietnam.... A. simulatus Long , sp. n.

4. Vein SR1 of fore wing more or less evenly curved basally ( Fig. 4 in Chen et al. 2004; Fig. 7 in Ahmad & Shujauddin 2004);. length of first metasomal tergite 1.6–2.0 × as long as wide ( Fig. 5 in Chen et al. 2004; Fig. 6 in Ahmad & Shujauddin 2004) 5

- Vein SR1 of fore wing vein SR1 of fore wing angularly bent in basal 0.24 ( Fig. 7 in Chen et al. 2004);....... length of first metasomal tergite 1.4 × as long as its maximum width ( Fig. 8 in Chen et al. 2004). China............................................................................................ A. zhejiangensis Chen, Whitfield & He, 2004

5. Hind wing with 3 evenly spaced hamuli; hind tarsal claw pectinate with 8–9 teeth ( Fig. 9 in Ahmad & Shujauddin 2004); first metasomal tergite 1.6 × as long as its maximum width ( Fig. 6 in Ahmad & Shujauddin 2004). India..................................................................................... A. glochidionae Ahmad & Shujauddin, 2004

- Hind wing with 5 evenly spaced hamuli; hind tarsal claw pectinate with 7 teeth; first metasomal tergite 2.0 × as long as its maximum width ( Fig. 5 in Chen et al. 2004). China........................... A. xibouzu Chen, Whitfield & He, 2004

Figures

FIGURE 1. Austerocardiochiles mellosus, sp. n. Habitus (holotype, female, dorsal view)

FIGURE 14. Austerocardiochiles simulatus, sp. n. Habitus (holotype, female, lateral view).

FIGURES 2–13. Austerocardiochiles melossus, sp. n. (holotype, female) 2. Head (dorsal view), 3. Head (frontal view), 4. Head (lateral view), 5. Mesonotum, 6. Mesopleuron, 7. Propodeum, 8. Metasoma, 9. Fore wing, 10. Apex of fore wing, 11. Hind wing hamuli, 12. Hind tarsal claws, 13. Hind wing.

FIGURES 15–25. Austerocardiochiles simulatus, sp. n. (Holotype, female) 15. Head (dorsal view), 16. Head (frontal view), 17. Head (lateral view), 18. Mesonotum, 19. Mesopleuron, 20. Apex of fore wing, 21. Propodeum, 22. Hind wing hamuli, 23. First metasomal tergite, 24. Metasomal tergites 2+3, 25. Hind tarsal claw.