33 6 



CONNECTICUT GEOL. AND NAT. HIST. SURVEY. 



[Bull. 



Aleurochiton Tullgren. 



Fore wing having radii^ radial sector and cubitus present; 

 vertex rounded; antennae with seven segments, the third being 

 longest; paronychium large and hairy. Pupa case without com- 

 pound pores, dorsum crowded with simple pores ; vasiform orifice 

 surrounded by a differentiated area, lingula setose, not projecting. 

 Only one species occurs in the United States and this is found in 

 Connecticut. 



A. forbesii (Ashmead). Aleurodes aceris Forbes, preoccupied by 

 aceris Geoffroy, an European species. 



Rept. Ins. 111., xiv, no, 1884. 



Pupa case about 1.5x1 mm. in size, oval to oblong in shape, 

 broadest posteriorly, considerably raised above surface of the leaf. 



Fig. 32. Aleyrodid structures. (1) Trialeurodes coryli Britton, — pupa 

 case. (2) Vasiform orifice of same, greatly enlarged. (3) An Aleyrodid 

 wing showing venation. Greatly enlarged. Drawing by Dr. Philip Garman. 



Varies in color from light yellowish green with purplish markings 

 in early summer to purple or chocolate with green or whitish spots 

 or blotches near the margin in autumn. Dorsum flat, devoid of 

 wax rods, with three pairs of spines at caudal margin. Vasiform 

 orifice, cordate, longer than wide; lingula spatulate, not lobed, 



