Megalopygidae 



The larvae feed upon a great variety of trees and shrubs, and 

 are commonly found in the deep glens and ravines of the Appa- 

 lachian subregion, where there is much shade and moisture. The 

 insect is not uncommon in the vicinity of Pittsburgh. 



(2) Packardia geminata Packard, Plate XLVII, Fig. 1, $ . 



The larvae frequent places exactly opposite in character to 

 those resorted to by the previous species, being fond of dry open 

 woods, and living upon low shrubs and bushes. The insect is 

 a native of the Appalachian subregion. 



Genus HETEROGENEA Knoch 



(1) Heterogenea shurtleffi Packard, Plate XLVII, Fig. 20, $ . 



This, which is one of the very smallest of all the Cocblidiidce, 



feeds in its larval stage upon black oak, chestnut, beech, and 



ironwood. The genus is found both in the Old World and the 



New. 



Genus TORTRICIDIA Packard 



(1) Tortricidia flexuosa Grote, form csesonia Grote, Plate 

 XLVII, Fig. 12, ?. 



A native of the Appalachian subregion, the larva feeding on 

 chestnut, oak, hickory, and wild cherry. It is not uncommon in 

 western Pennsylvania. 



(2) Tortricidia testacea Packard, Plate I, Fig. 19, larva; 

 Plate XLVII, Fig. 11, 5. 



The insect, which has the same habitat as the preceding 

 species, feeds upon the same species of plants. It is not uncom- 

 mon at light in western Pennsylvania. 



FAMILY MEGALOPYGID/E 



" Simple and sweet is their food: they eat no flesh of the living." 



C. L. VON KUEBEL. 



This is a small family characteristic of the neotropical regions, 

 and represented by three or four genera, which have a foothold 

 in the southern portions of our territory. 



Genus CARAMA Walker 

 (1) Carama cretata Grote, Plate XXXVIII, Fig. 22, $ . 



Syn. pura Butler. 



368 



