CLASSIFICATION OF INSECTS. 179 



653. Veneer-moths (Crambites). Larva elon- 

 gate, naked, with ten prehensile feet. Pupa elon- 

 gate ; changes in a slight cocoon. Imago with 

 very prominent labial feelers, filiform antennae, 

 sometimes pubescent ; wings ample, folde'd round 

 the body ; flight in the evening. Crambus, and 

 allied genera. 



654. Ermine-moths (Yponomeutites). Larva 

 elongate, slightly hairy, with ten prehensile feet ; 

 gregarious, spinning a web ; if touched, runs 

 backwards, falls and suspends itself by a thread. 

 Pupa elongate, smooth ; changes in a cocoon 

 amongst its food. Imago with filiform antennae ; 

 wings folded round the body, often beautifully 

 dotted and marked with black. Yponomeuta, 

 and neighbouring genera. 



655. Bell-meths (Tortricites). Larva more 

 obese than the foregoing, slightly hairy, with ten 

 prehensile feet ; gregarious, spinning a web ; 

 if touched, runs backwards with a rapid twisting 

 motion, and falls, hanging by a thread. Pupa 

 elongate, attached by the tail ; changes in a 

 silken cocoon, generally amidst the web of the 

 larva. Imago with filiform antennae ; the fore 

 wings with a prominent shoulder, which gives 

 the insect, when at rest, precisely the shape 

 of a bell. Tortrix, and allied genera. 



656. Clothes-moths (Tmeites). Larva elon- 

 gate, with ten prehensile legs ; concealed in a 

 sack constructed by itself, which it enlarges from 



K 2 



