434 



FRUIT INSECTS 



enabled to work its 

 way nearly out of 

 one end of its co- 

 coon and the moth 

 then emerges, leav- 

 ing the empty pupa 

 skin projecting from 

 the cocoon. These 

 July moths lay their 

 eggs on the skin of 

 the green berries or 

 on the stems (Fig. 

 370). 



Fig. 373. — Grape-berry moth caterpillars (x3|). During July and 



August all of the four stages of the grape-berry moth can be 

 found in the vineyards at the same time, for the different broods 

 overlap. The most 

 conspicuous and de- 

 structive work is don(^ 

 by the s(MM:)nd and 

 most numerous 

 brood of cat-cu'i^illars 

 working in the grow- 

 ing green grapes in 

 July and August. 

 This ])rood of cater- 

 pillars liv(^s inside 

 the berri(^s on the 

 pulj) and seeds, 

 often going into a 

 second or third berry, 

 fastening them to^ 

 gether with a few 

 silken threads (Fig. 



Fig. 374. — Grape leaf showing cocoons in the 

 making and finished by grape-berry moth cater- 

 pillars. 



