Culicoides distinctus Sen & Das Gupta

(PLATE 1C1–C3)

Culicoides distinctus Sen & Das Gupta, 1959: 618; Wirth & Hubert, 1989: 370.

Materials examined. Paratypes 1♂, 1♀, Dum Dum, August 1957, Coll. S.K. Das Gupta; 1♀, Dum Dum, 11 July 2000, Coll. U. Majumdar.

Diagnosis (Modified after Wirth & Hubert, 1989). This species may be diagnosed by the following combination of characters like, SCo present on flagellomeres 1,5–8; proximal poststigmatic pale spot bilobed, posterior lobe almost straight towards vein M1, cell m1 with a single distal pale spot. Males with aedeagus having lateral processes, tergum IX with moderately long apicolateral process, parameres with low ventral lobes and distal fan-like expansion bearing 5 lateral spines.