Chalybion gracile Hensen, 1988

Pham, Phong Huy, Ohl, Michael & Truong, Lam Xuan, 2019, The genus Chalybion Dahlbom, 1843 (Hymenoptera: Sphecidae) from Northwest Vietnam, with description of a new species, Zootaxa 4712 (2), pp. 202-210 : 204

Chalybion gracile Hensen, 1988 ( Fig. 13 )

Material examined: VIETNAM: Son La: 3 ♀♀ , Son La city, 1-10.v.2017 and 25.ix - 5.x.2017, Malaise trap, Long Dang Khuat .

Distribution: Vietnam: Cochichine P. condon (= Con Dao island, Ba Ria-Vung Tau Province currently) ( Hensen 1988), Son La (new record). Elsewhere: Malaysia, Indonesia, Laos, Sri Lanka.

Figures

FIGS. 11–15: Species of the genus Chalybion known from northwest Vietnam. 11. C. bengalense (Dahlbom, 1845). 12. C. dolichothorax (Kohl, 1918). 13. C. gracile Hensen, 1988. 14. C. japonicum (Gribodo, 1882). 15. C. malignum (Kohl, 1906). FIG. 16: Nest of C. tanvinhensis sp. nov.