204 



Zoology of Colorado 



Rocky Mountain Bees (Anterior wings, enlarged) 



F" Fig. 44 — Psithyrus insularis; Fig. 45.— Bombus huntii; Fig. 46.— Bom bomelecta/ulvida ; 

 Fig. 47.— Anthophora occidental*; Fig. 48.— Mtlissodes obliqua; Fig. 49.— Andrena arge- 

 monis; Fig. 50.— Nomia nortoni. w - w - Robbin. del. 



