Figures 593-599. — Cerodontha ( Dizygomyza ) pecki ; 593, 
Head; 594, aedeagus, side view; C. (D. ) magnicornis : 
595, Aedeagus, side view (Tennessee); C. (D. ) 
latifrons : 596, Aedeagus, side view; C. (D. ) 
frosti : 597, Head; C. (D. ) morosa : 598, Aedeagus, 
side view (holotype); C. (D. ) thompsoni : 599, 
Aedeagus, side view. 
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