564 NEW YORK STATE MUSEUM 



Plate 17 



1 Male genitalia of S t e g o m y i a f a s c i a t a Fabr. x 1 10 



2 Male genitalia of Pneumaciilex signifer Coq. xiio 



Plate 18 



1 Male genitalia of Protoculex serratus Theo. xiio 



2 Male genitalia of Aedes fuscus O. S. xiio 



Plate 19 



1 Male genitalia of Megarhinus portoricensis Von 



Roder x8o 



2 Male genitalia of Corethrella brakeleyi Coq. X240 



