320 AGRICULTURAL EXPERIMENT STATION. 



.16-.20 of an inch in length; the beak is three-fifths the length 

 of the body and across the wings it averages about 8 mm., or 

 .32 of an inch. The anterior part of the head is taken up by the 



^. 



Figure 99. 



Culex melanurus: female adult: enlarged. (Original.) 



large black eyes and the occiput is covered with white scales. 

 The palpi in the female (fig. 100, 4) are short, four-jointed and 

 set with rather long hair; the terminal joint is reduced to an 



