Figures 545-554. — Cerodontha ( Icteromyza ) 
temeculensis : 545, Aedeagus, side view; 546, 
same, ventral view; C. Cl.) churchillensis : 547, 
Head; 548, aedeagus, side view. C. ( Cerodontha ) 
dorsalis : 549, Head; 550, aedeagus, side view; 551, 
same, ventral view; 552, posterior spiracles of 
puparium. (I. ( Xenophytomyze ) illinoensis : 553, 
Third antennal segment; 554, aedeagus, side view. 
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