Figures 1222-1230. — Phytomyza aquilegivora : 1222, 
Aedeagus, side view (Ontario); 1223, same, ventral 
view (New York); P. saximontana : 1224, Aedeagus, 
side view; 1225, leaf mine on Arnica ; P. 
asterophaga : 1226, Aedeagus, side view; 1227, 
distiphallus , anteroventral view; 1228, leaf mine 
on Aster conspicuus (Alberta) ; P. boulderella : 
1229, Aedeagus, side view; 1230, same, ventral view. 
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