LEPIDOPTERA. 



105 



of the former genus we select for description the pine-lappet and the procession- 

 moth, both abundant on the Continent, but not occurring in England. The larvae 

 of both these moths spin silken cocoons. Having the front-wings grey, tinted 

 with different shades of brown, the pine-lappet (Gastropacha pini} is a large moth 



LIFE-HISTORY OF PINE-LAPPET MOTH. 



a, Male ; 6, Female ; c, Eggs ; d, Larva ; e, Cocoon ; /, A beetle (Calosoma) attacking larva ; g, Larva of Calo- 

 soma; A, An ichneumon laying its eggs in the pupa; ?, Small parasites emerging from their cocoons on the 

 remains of the larva which they have devoured. 



measuring from 2J inches across the wings. The larvae are ashen grey, with a 

 dorsal row of dark blotches, a lateral brown stripe, and a pair of blue transverse 

 bands on the third and fourth segments. This handsome larva is often very destructive 



