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 OF THE FARM AND GAKDEtf. &15 



THE GEAPE-VINE. 

 THE HOG-CATERPILLAR OF THE VINE. 



(Chcerocampa pampinatrix, Smith & 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. HOG-CATERPILLAR OF THE VINE (Chcerocampa pampinatrix.) 



delicate 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 



