NO. 3557 SUBGENUS CULEX—BRAM 105 
a (ge 
AL 
0.1mm. 
Figure 31.—C. spinosus, Lagunillas, Venezuela, USNM RB62 428: a, basistyle and disti- 
style; b, mesosome. C. stenolepis, Cordoba, Mexico, USNM RBé2 714: c, basistyle and 
dististyle; d, mesosome. 
Culex (Culex) surinamensis Dyar, 1918 
Ficures 32a, b 
Culex (Culex) surinamensis Dyar, 1918b, p. 121. 
Systrematics.—This species belongs to the group which lacks a 
leaf on the apical lobe of the basistyle. It is distinguished from its 
nearest relative, Culex brevispinosus, by possessing a dentiform 
ventral cornu. 
SALIENT CHARACTERS.—Adult female: See table 1. 
Male terminalia: Basistyle conical, slightly longer than twice the 
basal width; clothed with a sparse covering of very fine spicules in 
