Figures 164-173. — Ophiomyia monticola : 164, Head; 165, 
aedeagus, side view; 166, distiphallus , ventral 
view; 0. simplex : 167, Wing; 168, aedeagus, side 
view; 169, distiphallus, ventral view; 170, 
posterior spiracles of puparium; 0. similata : 171, 
Aedeagus, side view; 172, same, ventral view; 173, 
hypandrium (New York). 
355 
