OF THE FARM AND GARDEK. 



215 



THE GKAPE-VINB. 



THE HOG-CATERPILLAR OF THE VINE. 



{Chcerocampa pampinatrix, Smitli & Abbott.) 



Of the large, solitary caterpillars that attack the Grape- 

 vine, this is by far the most common and injurious in the 

 Mississippi Valley. We have frequently found the egg 

 of this insect glued singly to the underside of a leaf. It is 

 0.05 inch in diameter, perfectly round, and of a uniform 



Fig. 136. — HOQ-OATEKPILLAE OF THE TTNE {Chorocampa pampinatrix.) 



deUcate yellowish-green color. The young worm which 

 hatches from it, is pale-green, with a long straight horn 

 at its tail; and after feeding from four to five weeks it 

 acquires its full growth, when it presents the appearance 

 of figure 136, the horn having become comparatively 

 shorter and acquired a posterior curve. 



This worm is readily distinguished from other grape- 

 feeding species by having the third and fourth rings im- 

 mensely swollen, while the first and second rings are 



