592 A Monograph of Culicidae. 



terminal dark spine-like segment; harpogones short, lamellate, 

 rounded apically ; setaceous lobes wide and far apart with a 

 border of broad long setae. 



Length. — 6 mm. 



9 . Head clothed with flat dull peacock blue scales with a 

 patch of brown ones in the middle in front and brown ones 

 behind, in some lights the blue scales appear rich deep violet 

 with a single row of black upright forked scales behind and black 

 bristles projecting forwards anteriorly ; clypeus deep brown with 

 dense brown hairs ; proboscis blackish brown, stoutish and not 

 expanded apically ; palpi dark brown ; antennae brown, tarsal 

 segments pale on one side with black hairs. 



Thorax as in the $ . 



Abdomen as in the male only browner in hue and flat and 

 broad. 



Legs as in the $ but the yellow band on the mid legs only 

 includes the second and greater area of the third tarsal ; ungues 

 equal and simple. 



Wings with large, dense brown scales, some narrower lateral 

 ones on one side of the lower branch of the fifth vein as in the 

 male, the sixth vein turned at right angles to the costa at its 

 end ; first sub-marginal cell considerably longer and a little 





Fig. 271. 

 Wing of Trichoprosopon compressum. 9 . n. sp. 



narrower than the second posterior cell, its base nearer the base 

 of the wing, its stem about one-third the length of the cell ; 

 stem of the second posterior cell about two-thirds the length of 

 the cell ; the mid cross-vein a little in front of both the super- 

 numerary and posterior, the latter much the longest. 



Length. — 7 mm. 



Time of capture. — December, January, May. 



Habitat. — Brazil. 



