GRAPE MOTHS. 



59 



Another moth (Psychomorpha epimenis, Fig. 51, a, larva; &, side 

 view of a segment; c, top view of the hump), also feeds on the 

 grape, eating the terminal 

 buds. It is also bluish, and 

 wants the orange bands on 

 the side of the body. An- 

 other moth of this family is 

 the American Procris (Acolo- 

 ithus Americana, Fig. 52a, lar- 

 va ; 6, pupa ; c, cocoon ; d, e, 

 imago) ; a dark blue moth, 

 with a deep orange collar, 

 whose black and yellow cat- 

 erpillar is gregarious (Fig. 

 53), living in companies of a 

 dozen or more and eating the 49 ' gM-spotted Alypia and Larva. 



softer parts of the leaves. It is quite common in the Western 

 and Southern States. The figure represents two separate 



broods of caterpillars feed- 

 ing on either side of the 

 midrib of the leaf. 



But if the moths are, as 

 a rule, the enemies of our 

 crops, there are the silk 

 worms of the East and 

 Southern Europe and Cali- 

 fornia, which afford the 

 50. Eudryas grata. mcans of supporfc to mu i ti . 



tudes of the poorer classes, and supply one of the most valuable 

 articles of closing. Blot out the silk worm, and we should 



51. Larva of Psychomorpha. 



remove one of the most important sources of national wealth, 

 the annual revenue from the silk trade of the world amounting 

 to $254,500,000. 



