162 



INJUEIOUS IIS^SECTS 



latitude. Usually, at the time it appears, the young ap- 

 ples are already set, and begiiming to be about as large as 

 a hazel-nut. After coupling in the usual manner, the 

 female moth then proceeds to deposit a single egg in the 

 blossom end of the fruit, flying from fruit to fruit until 

 her stock of eggs (amounting to probably two or three 

 hundred) is exhausted. Not long after accomplishing 

 this process she dies of old age and exhaustion. In a 

 short time afterwards the egg, no matter where it is 

 located, hatches out, and the young larva forthwith pro- 



Fig, 104. —APPLE-WORM — CODLING MOTH {Carpocapm pommella^ Linn.) 

 Perfect lusect; Larva and its work; Pupa at the lower right-hand side. 



ceeds to burrow into the flesh of the apple, feeding as 

 it goes, but making its head-quarters in the core. In 

 three or four weeks time it is full grown, and shortly 

 before this, the infested apple generally falls to the 

 ground. The larva then crawls out of the fruit through 

 a large hole in the cheek, w^hich it has bored several 

 days beforehand for that express purpose, and usually 

 makes for the trunk of the tree, up which it climbs, and 

 spins around itself a silken cocoon of a dn-ty- white color, 

 in any convenient crevice it can find, the crotch of the 

 tree being a favorite spot. Here it transforms into the 



