FIG. 354. A punkie, or "no-see-um" (Ceratopogon guttipennis}. (Greatly enlarged) 



a adult ; 6, head of same ; c, larva ; d, head of same ; *, pupa. (After Pratt, United States 

 Department of Agriculture) 



FIG. 355. a, a net-winged midge (Bib- 

 liocephala elegantulus], female (two 

 and one half times natural length); ,<:, 

 \ upper and under sides of larva of B. 

 I comstockii (five times natural length) 



(After Kellogg) 



225 



