268 BEITISH BUTTERFLIES AND MOTHS 



The expansion of the wings is about J inch. The 

 fore-wings are glossy, dark brown, with two pale yel- 

 lowish, rather triangular spots on the inner margin, 

 one a little before the middle, the other towards the 

 anal angle ; in the female there is frequently a small 

 yellowish spot on the costa intermediate between these 

 two ; the head is ferruginous ; the antennae of the male 

 are pectinated, of the female simple. 



The larva is dull whitish, with the head pale brown, 

 and a darker plate on the second segment ; on the third 

 and fourth segments are smaller, paler, grey plates ; it 

 forms a flat case (like an elongate oyster-shell) of two 

 pieces cut out of fallen leaves, and fastened together 

 with silk ; the young larva is a leaf-miner, and cuts 

 out its first case from the leaf it has mined ; it feeds on 

 all sorts of trees and bushes, from June to October. 



The perfect insect appears in the beginning of May, 

 and flies merrily by day along hedges in the sunshine 

 in little companies. 



FAMILY II. TLNEIM. 

 ADELA DE GEERELLA. 



(Plate XV., Fig. 4.) 



This conspicuous and handsome insect is common 

 and generally distributed in the south of England, 

 and occurs northwards near Manchester, and in the 

 Cumberland Lake district; in Ireland it occurs near 

 Killarney, but I am not aware that it has been observed 

 in Scotland. 



The expansion of the wings is about } inch. The 

 fore -wings are yellow, streaked to the middle with 

 violet-brown ; beyond the middle is a nearly straight 



