Genus Trichoprosopon. 287 
and brown; the penultimate joint densely hairy; basal joint 
testaceous - yellow ; palpi long and thin, deep bronzy-brown, 
4-jointed, the joints of nearly equal length, the apex with four 
thick spines, and the penultimate joint with a few black lateral 
spines. , 
Abdomen peacock-blue at the base, remainder purple; basal 
joint scaly, brown. 
Fore legs all deep metallic purple with bronzy reflections; 
mid legs with the four tarsi pure white, the last showing dark 
reflections; hind legs with the last two tarsi only white; fore 
and mid ungues black, unequal, simple, the fore nearly straight, 
the mid rather more curved, the hind very small, equal and 
simple. 
Wings with the cross-veins as in the 9 , the brown scales 
showing a deep violet tint in the light. 
Length .—7 * 5 mm. 
Habitat .—Trinidad (Urich). 
Time of capture. —December. 
Observations .—Described from several 9’ s and a single £ . 
It is a very beautiful mosquito, quite unlike any I have seen, 
and certainly forms a new genus. The only variable characters 
seem to be in the last tarsal joint of the mid legs, which in some 
specimens is white, in others grey, and in others almost brown. 
The majority have the head scales showing brilliant mauve 
reflections, but in one they are mainly dull ochraceous. 
Mr. Urich states in his letter that he has found the breeding- 
place of this handsome species, but gives no details. 
They were taken at Aqua Santa, on a “ Cocoa Estate ” 
bordering on a forest. They are found in the cocoa groves, but 
do not come into the houses. 
