88 FLIES FOR MAY. 



No. 19. LITTLE YELLOW MAY DUN (Silk 



Fly). 



Order, Neuroptera 

 Family, Ephemeridce 

 Genus, Cloeon 

 Species, striata (Pseudimago). 



No. 20. BLACK GNAT (Black Midge). 



Order, Diptera 

 Family, Empidce 

 Genus, PJiampliomyia 

 Species, Mthiops. 



No. 21. OAK FLY (Downhill Fly, Ash Fly, 

 Cannon Fly, Downlooker, Woodcock Fly). 



Order, Diptci'a 

 Family, lUiagionidce 

 Genus, Leptis 

 Species, scolopacea. 



