Culicoides clavipalpis Mukerji

(PLATE 1B1–B3)

Culicoides clavipalpis Mukerji, 1931: 1052; Causey, 1938: 405; Sen & Das Gupta, 1959: 620; Delfinado, 1961: 641; Lee, 1978: 40; Howarth, 1985: 81; Wirth & Hubert, 1989: 368; Yu et al., 2005: 917; Dyce et al., 2007: 34.

Materials examined. 1♀, West Bengal, Dum Dum, 22.6200 N, 88.4200 E, 24 August 1967, Coll. S.K. Das Gupta; 4♂, 12♀, West Bengal, Habra, 22.8300 N, 88.6300 E, 2 May 1998, Coll. P.K. Chaudhuri.

Diagnosis (Modified after Wirth & Hubert, 1989). This species may be distinguished by the following combination of characters like, bare, contiguous eyes; SCo on flagellomeres 1,6–8; trilobed proximal poststigmatic spot on wing, cell m1 with two distinct pale spots, very narrow distal pale spot on cell cua1. Males with aedeagus having two lateral arms and channel like distal stalk, short apicolateral processes, parameres with fan-like expansion bearing 4–5 lateral spines.