23G 3I0SQUIT0ES 



II. Genus Uranot^nia. 



Our sino:le species is rarely met with ; it is among: the smallest 

 of mosquitoes and will readily be recognized by the stripe of vio- 

 let-blue scales on the thorax : 

 aapphirina O. S. 



III. Genus Aedes. 



The single species is likewise rarely met with, and like the 

 preceding, is of very small size ; it is of a brownish color with 

 golden-yellow scales on the thorax and cross-bands of white ones 

 on the abdomen : 

 fuscus O. S. 



IV. Genus Conchyliastes. 



Our two species are of medium size and of rather rare occur- 

 rence ; they may be distinguished as follows : 



AVith the last two Joints of the hind feet Avhite musicus Say. 



With only the last joint of the hind feet white, .jiosticatus Wied. 



V. Genus Stegomyia. 



Our two species are of rather small size, and may be distin- 

 guished by the following characters : 



Front claws of the female toothed on the under side, the 

 outer silvery stripes of the thorax greatly widened in 



front of the wings fasnata Fabr. 



Front claws not toothed, the outer silvery stripes of the thor- 

 ax very narrow throughout their entire course. si gnif era Coq. 

 fasciata Fabr. 

 excitans Walk. 

 frater Desv. 

 mosquito Desv. 

 tceiiiatns Wied- 

 si gnif era Coq. 



