288 AMERICAN DIPTERA. 



I will also note here two 9 speciruens of Epiplatea erosa Lw. from 

 Costa Rica, which have the third antenual joint brown, not " nearly 

 black ; " abdomen black, with deep pure blue reflections, very 

 bristly along the margin of segments ; legs dark, excepting tlie 

 more yellowish tarsi. 



EXPLANATION OF PLATE YI. 

 Fig. 1. Hiatus fulvipes, % , lateral view. 



2. " " 9, " 



3. " ■' WlDg. 



4. " " bind femur of 'J, . 



5. Automola rufa, wing. 



6. Pterocalla undulata, wing. 



7. Paraedopa punctigera, wing. 



8. Acrosticia bicolor, wing. 



9. " " lateral view of head ^of 9 ■ 



10. " " front view of head of 9 • 



11. Euxesta pulchella, wing. 



12. " minor, wing. 



