138 



NORTH AMERICAN DIPTERA 



Stiatiomyida? III. — 37, Ox.vcera albovittata; 38, Rhingiopsis ros(rata; 39, Ptecticus 

 testaceus ; 40, Neorondania chalybea ; 41, Gowdejana mirabilis; 42, Odontomyia (sp. Panama); 

 43, Cacosis ; 44, Euclitellaiia; 45, Chrysochronia nigricornis ; 46, Hennetia [n. sji. Panama): 

 47, Cyphomyia; 48, Microchrysa polita. 



