Haltichella clavicornis (Ashmead, 1904)

Wang, Zi-Tong & Li, Cheng-De, 2021, Three new species, and new distributional data, of Haltichella (Hymenoptera, Chalcididae) from China, ZooKeys 1060, pp. 1-16 : 1

Haltichella clavicornis (Ashmead, 1904)

Figures 4 , 5 , 6

Stomatoceras clavicornis Ashmead, 1904: 148; holotype ♂, USNM, Japan, not examined.

Haltichella clavicornis : Habu 1960: 241.

Haltichella macroclava Roy & Farooqi, 1984: 27; holotype ♀, IARI, India, not examined. Synonymised with Haltichella clavicornis by Narendran 1989: 152-153.

Material.

(NEFU). 1 ♀, China: Henan Province, Xinyang City, Wusheling , 7-9. VIII. 2015 , YPT, Yan Gao, Hui Geng, Zhi-Guang Wu; 1 ♀ 2 ♂, China: Hainan Province, Haikou City, Haida Base , 27-29.IV.2019 , YPT, Yu-Ting Jiang; 1 ♀, id., but Pinnacle Ridge , 17-19.V.2021 , Gang Fu, Ming-Rui Li; 1 ♀, China: Yunnan Province, Yuanjiang County, 26-28.XI.2020 , YPT, Jun-Jie Fan, Ming-Rui Li, Gang Fu, Jun Wu; 1 ♀, id., but Mengla Town , Mengla County, 17-18. XI. 2020 .

Diagnosis.

Female. Body length 2.8-3.1 mm, mostly black (Fig. 4A ); antenna with scape and pedicel yellowish brown, flagellum brown to dark brown (Fig. 4C ); eye and ocelli silvery gray (Fig. 5D ); tegula yellowish brown; fore and mid legs yellowish brown; hind leg (Fig. 5A ) and metasoma reddish brown (Fig. 5B ); fore wing hyaline (Fig. 4D ), venation brownish. Head 1.3 × as wide as long in frontal view (Figs 4B , 5D ); scrobe not reaching anterior ocellus (Fig. 4B ); POL 4.3 × as long as OOL; antenna (Fig. 4C ) distinctly clavate; pedicel longer than Fu1, flagellum increases in breadth distad; mesoscutellum (Fig. 4E ) flat with a median longitudinal fovea; apex of mesoscutellum with two short diverging and short teeth; submedian carinae of propodeum parallel (Fig. 5C ); postmarginal vein (Fig. 4D ) shorter than stigmal vein. Metasoma (Fig. 5B ) oval, Gt1 occupying 0.75 × length of metasoma, with three longitudinal carinae at base.

Male. Body length 2.8-2.9 mm. Scape and pedicel brown, flagellum brownish black (Fig. 6B ); hind leg black except brown tarsus, extreme apex of femur brown, distal apex of tibia brown; metasoma black (Fig. 6A ); anellus not obvious; Fu1-7 subquadrate; club 2 × as long as and as broad as the preceding segment (Fig. 6B ). Gt1 occupying 0.6 × length of metasoma (Fig. 6D ), distal half of Gt1 with microsculpture. Other features similar to female.

Hosts.

Unknown.

Distribution.

China (Henan [new record], Hainan [new record], Yunnan [new record]), Japan, Laos, India, Malaysia, Vietnam, Nepal, Philippines ( Narendran 1989; Narendran and van Achterberg 2016).

Comments.

Our specimens agree well with the original description except for the colour of the antenna and metasoma. This is the first record from Henan, Hainan and Yunnan Provinces, China.

Figures

Figure 4. Haltichella clavicornis, (female) A habitus, lateral view B head, front view C antenna D forewing E mesosoma, dorsal view.

Figure 5. Haltichella clavicornis, (female) A hind leg B metasoma C propodeum D head and mesosoma, dorsal view.

Figure 6. Haltichella clavicornis, (male) A habitus, lateral view B antenna C forewing D metasoma.