PORTHETRIA. 199 



have a dusky black lunule and costal spots. The hind-wings 

 of the female have a faint sub-marginal line. 



The larva is brown or ashy-grey with three fine yellow lines 

 or a broad dark brown stripe on the back. The anterior 

 segments are blue, and the red tubercles thickly covered with 

 hair. The head is very large and yellowish-grey, with two 



Gipsy Moth ?. 



brown spots. It feeds on various fruit-trees, as well as on pop- 

 lar, willow, oak, rose, &c. 



The pupa is dark brown with yellowish tufts of hair, and is 

 placed in a web between leaves or in the chinks of bark. 



The eggs are deposited on tree-trunks, palings, &c., and are 

 covered with down from the abdomen of the female. 



This species is most abundant and destructive on the Conti- 

 nent, the males flying everywhere about bushes and hedges, in 



