Figures 428-440. — Agromyza pudica ; 428, Aedeagus, side 
view; 429, same, ventral view; A. frontella : 430, 
Head; 431, wing; 432, aedeagus, side view; 433, 
same, ventral view; 434, leaf mines on Trifolium ; 
435, cephalopharyngeal skeleton of larva; 436, 
posterior spiracles of puparium; (430-436, Europe); 
A. isolata : 437, Aedeagus, side view; 438, same, 
ventral view (Canada); A. nevadensis : 439, 
Aedeagus, side view; 440, same, ventral view. 
380 
