OTHER GENERA OF 3I0SQUIT0ES 145 



proboscis itself is straight. The most striking charac- 

 teristic, hov/ever, is the presence of very peculiar erect 

 scales ou the legs. The hind legs especially are fur- 



FiG. 37. — Adult Female of Psorophora ciliata ; enlarged. (Author's 



illustration.) 



nishecl Avitli large scales which are placed at right angles 

 to the leg itself, and similar scales are present in smaller 

 numbers upon the middle logs, and in very small num- 

 bers upon the end of the thighs of the front legs. P. 



