84 FLIES FOR APRIL. 



No. 16. IRON BLUE DUN. 



Order, Neuroptera 



Family, Ephemeridce 



Genus, Cloeon 



Species, diptera (Pseudimago). 



No. 17. JENNY SPINNER (SPINNING JENNT), 



Order, Neuroptera 

 Family, Ephemeridce 

 Genus, Cloeon 

 Species, diptera (Imago), 



No. 18. HAWTHORN FLY. 



Order, Diptera 

 Family, Tipulidce 

 Genus, Bibio 

 Species, Marci $ 



