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.