Figures 1117-1126. — Phytomyza coquilletti : 1117, Aedea- 
gus, side view; 1118, same, ventral view; P. 
nervosa : 1119, Aedeagus, side view; 1120, same, 
ventral view (Lafayette, Ind.); P. felix: 1121, 
Aedeagus, side view; 1122, same, ventral view. 
Chromatomyia castillejae ssp. nordica : 1123, 
Aedeagus, side view; 1124, same, ventral view. P. 
plumiseta : 1125, Aedeagus, side view (ex Thalictrum 
polygamum , Quebec); 1126, distiphallus , ventral 
view. 
442 
