Fig. 20From: Revision of the Atratus Group of Culex (Melanoconion) (Diptera: Culicidae)Couplet 2: head features and wing scale patterns. Arrows indicate the colour pattern of scales of the palpomeres and wings. a Thesis: Culex caribeanus. b Antithesis: Culex trigeminatus. Abbreviations: C, costa; R, radius; Sc, subcostaBack to article page