INSECTS INJURIOUS TO THE HOP-PLANT 



283 



The Comma-butterfly * 



The Comma-butterfly is most common throughout the East 

 from New England to North Carolina and Tennessee, though occa- 

 sionally found as far west as Wisconsin, Iowa, Nebraska, and 

 Texas. 



FIG. 208. The comma-butterfly (Polygonia comma): a, egg-chain; b, larva; 

 c, chrysalis; d, adult all natural size, except a. which is greatly 

 enlarged. (After Howard, U. S. Dept. Agr.) 



Its life history is practically the same as that of the species just 

 described. The larva? of the first brood sometimes seriously dam- 

 age young elm-trees which have been but recently reset, by eating 

 them bare of the foliage. The winter form hibernates about a 

 month earlier, being rarely seen in October. As a rule a similar 



* Polygonia comma Harr. Family Nymphalidce. 



