PESTS OF THE HOP CROP. 



133 



THE ZEBRA CATERPILLAR {Mdmestra 2)icta, Hiirr.) 

 This vvcll-knovvn and polyi)liaj^ic insect is found 

 frccjucntly upon hops. It (occurs fnjin Canada soutli to 

 \'irf^inia, and west to Nc])raska, and has evidently of 

 kite years been carried into C'aHf(jrnia. It feeds upon 

 blackberry, poke weed, lamb's quarter, goose foot, 



FIG. 66. COMMA BUTTERFLY. 



a, Epgs; i, larva; r, chrysalis; rf, adult. All natural -izc excppt r/, which is en 



lar^'rd. (Author's illustration.) 



worm ^QQi\, cal)ba,G:e, aster, honeysuckle, white berry, 

 mignonette. asparajL^us, ruta-bai^a, beet, cauliflower, 

 spinach, bean, pea and celery, and is thus a common gar- 

 den pest. The eggs of this insect are deposited on the 

 lower sides of the leaves in clusters of from 250 to 300. 



