50. Ropalidia nigrita Das & Gupta, 1989

(Figures 6: D, E, F)

Ropalidia (Anthreneida) nigrita Das and Gupta, 1989: 130 . Type data: Holotype male, NZC. Type locality: Moirang, Manipur, India.

Materials examined: NBCB-00579, 19.vii.15, 1 ♀, Bangtar, Samdrup Jongkhar, Bhutan (27°53'31"N & 91°41'42"E, 258m), Leg.: Tshering Nidup & Phurpa Dorji; NBCB-00580, 15.iv.2016, 1 ♀, Pangbang, Zhemgang, Bhutan (26°50'36.6"N & 90°59'34.7"E, 390 m), Leg.: Thinley Gyeltshen, Phurpa Dorji & Tshering Nidup; NBCB-00581, 27.x.2015, 1 ♀, Bajo Thango, Wangduephodrang, Bhutan (27°30'55"N & 89°53'14"E, 1218 m), Leg.: Phurpa Dorji & Wim Klein; NBCB-00582 & NBCB-00583, 26.x.2015, 2 ♂, Kapatapsa, Wangduephodrang, Bhutan (27°42'39"N & 89°45'54"E, 1476 m), Leg.: Phurpa Dorji & Wim Klein .

Distribution: Bhutan (new record): Samdrup Jongkhar, Zhemgang, Wangduephodrang. Elsewhere: Nepal; India; Vietnam (Bui et al. 2020; Das & Gupta 1989; Gawas et al. 2020; Kojima et al. 2007; Nguyen, Kojima, et al. 2006; Pham 2014; Pham & Li 2015)

Remarks: Specimens of R. nigrita were misidentified as R. artifex (Dorji, Gyeltshen, et al. 2017; Dorji, Klein, et al. 2017b). According to Kojima et al. (2007), the Indian-subcontinent is devoid of R. artifex .