120 



136 



7/ V\- 



129 



( ^;^ 



138 



J39 



Figures 120-139. — Dorsal view: 120, Nemotelus kansensis, first abdominal segment; 

 121, N. canadensis, first abdominal segment; 122, Caloparyphus amplus, ventral hooks 

 (lateral view); 123, N. kansensis, apical segment; 124, N. canadensis, apical segment; 

 125, C. crotcki, head; 126, Odontomyia cincta, head; 127, C. amplus, head; 128, C. amplus, 

 first abdominal segment; 129, C. crotchi, first abdominal segment; 130, 0. cincta, first 

 abdominal segment; 131, C. amplus, apical segment; 132, C. crotchi, apical segment; 

 133, 0. cincta, apical segment; 134, N. canadensis, head; 135, 0. occidentalis, head; 136 

 0. occidentalis, apical segment; 137, 0. communis, apical segment; 138, 0. occidentalis, 

 first abdominal segment; 139, 0. communis, first abdominal segment. 



