Halycaea Cameron

Tang, Pu, Belokobylskij, Sergey A., Achterberg, Cornelis Van & Chen, Xue-Xin, 2012, Halycaea Cameron, 1903 (Hymenoptera: Braconidae, Doryctinae) from China with a key to world species, Zootaxa 3218, pp. 18-30 : 19

Key to subgenera and species of the genus Halycaea Cameron

1. Second tergite with semi-round short area only in its basal 0.2, area widely separated from suture between second and third tergites. Second tergite very long, 1.7 times longer than its basal width, 2.1 times longer than third tergite. First tergite 3.6 times as long as its maximum width (subgenus Sinohalycaea subgen. nov.). Body length 11.2 mm. - China (Hainan)............................................................................................ H. longitergum sp. n.

- Second tergite with long triangular area along all or almost all (0.8–0.9) its length, area fused with suture between second and third tergites or separated from it at short distance. Second tergite much shorter, 0.9–1.2 times as long as its basal width, 0.8– 1.5 times as long as third tergite. First tergite 2.03.3 times as long as its maximum width (subgenus Halycaea s. str.)....... 2

2. Hind coxa without basolateral corner and tubercle. First tergite without dorsope. Second tergite without anterolateral furrows. Body length 15.5 mm. - Malaysia........................................................ H. solo Belokobylskij

- Hind coxa with distinct basolateral corner and tubercle. First tergite with dorsope. Second tergite with anterolateral furrows. 3

3. Hind wing with 3–4 hamuli. Head mostly black or dark reddish brown (except for H. liui with black only on frons and vertex near ocelli)........................................................................................... 4

- Hind wing with 5–6 hamuli. Head mostly red or yellowish red.................................................. 7

4. Vein m-cu of fore wing postfurcal. All coxae of females light brown or light reddish brown, in male sometimes more or less faintly infuscate....................................................................................... 5

- Vein m-cu of fore wing antefurcal. Fore and mid coxae of female whitish yellow, hind coxa strongly infuscate............ 6

5. First flagellar segment 5.5 times as long as its apical width. Hind wing with 3 hamuli. Hind femur 3.5 times as long as its maximum width. Second tergite 1.4 times as long as third tergite. Metasoma black, with large light brown spots in posterior half. Body length 11.0 mm. - Indonesia...................................................... H. filicornis ( Cameron)

- First flagellar segment 4.3 times as long as its apical width. Hind wing with 4 hamuli. Hind femur 2.8 times as long as its maximum width. Second tergite slightly shorter than third tergite. Metasoma entirely black. Body length 4.5 mm. (3) - Indonesia..................................................................................... H. javana (Fullaway)

6. Hind coxa almost smooth dorsally. Mediobasal 0.5 of fourth tergite rugose-reticulate. Mesopleuron entirely densely setose. Third metasomal tergite without basal triangular area. Head of female light reddish brown, frons and vertex around ocelli black. Body length 6.3 mm. - China (Hainan)...................................................... H. liui sp. n.

- Hind coxa densely striate or rugose-striate dorsally. Mediobasal 0.8 of fourth tergite densely and fine regularly reticulate. Mesopleuron glabrous at rather wide and round median area. Third metasomal tergite with basal triangular area. Head of female entirely dark reddish brown (in male at least in lower half light reddish brown). Body length 6.5–8.5 mm. - China ( Taiwan, Hainan); Malaysia.............................................................. H. rubata Belokobylskij

7. Hind wing with 5 hamuli. Second submarginal cell short, 3.0–3.4 times as long as its maximum width.................. 8

- Hind wing with 6 hamuli. Second submarginal cell long, 3.7–3.8 times as long as its maximum width.................. 10

8. Hind femur 3.7–3.9 times as long as its maximum width. Triangular area of second tergite narrowly sessile apically. Body length 15.5 mm. - Malaysia, Singapore................... H. ruficeps (Smith) (= H. erythrocephala Cameron , syn. nov.).

- Hind femur 3.0–3.2 times as long as its maximum width. Triangular area of second tergite more or less petiolate apically... 9

9. Occipital carina interrupted dorsally at wide space. Hind tibia dark reddish brown with yellow base. Second metasomal suture medially weakly curved forwards. Second submarginal cell shorter, 3.0 times as long as its maximum width. Body length 8.0 mm. (3) - Vietnam................................................................. H. sonata Belokobylskij

- Occipital carina complete dorsally. Hind tibia yellow with almost black base. Second metasomal suture medially distinctly curved forwards. Second submarginal cell longer, 3.4 times as long as its maximum width. Body length 14.5 mm. - Papua New Guinea........................................................... H. papuana Belokobylskij, Iqbal and Austin

10. First tergite long and narrow, its length 2.4 times maximum width. Length of second tergite 1.2 times its basal width, 1.5 times larger than length of third. Fore and mid coxae black. Body length 9.3 mm. - China (Hainan)........... H. nigricoxis sp. n.

- First tergite short and wide, its length 2.0 times maximum width. Length of second tergite equal to its basal width, almost equal to third tergite. Fore and mid coxae whitish yellow. Body length 4.9–6.3 mm. (3) - China (Hainan)..... H. wuzhiensis sp. n.