564 NEW YORK STATE MUSEUM ' 



Plate 17 



1 Male genitalia of Stegomyia fasciata Fabr. xiio 



2 Male genitalia of Pneumaculex signifer Coq. xiio 



Plate 18 



I Male genitalia of Protoculex serratus Theo. xiio 

 2. Male genitalia of Aedes fuscus O.S. xiio 



Plate 19 



I Male genitalia of Megarhinus portoricensis \^on 



Roder x8o 

 2. Male genitalia of Corethrella brakeleyi Coq. X240 



