87 



B O M R Y X T U I V O I, I T . 

 Plate XV. Figure 1. 



THIS insect measures from a little under two inches 

 to about two inches and three quarters in expanse. 



Male: fore wings reddish-brown, with a white spot 

 near the middle and towards the upper edge, and a pale 

 streak across beyond the middle, forming in some speci- 

 mens the outer bound of a cross bar contained within it 

 and another towards the inner corner, but in others 

 this is wholly wanting. Hind wings reddish-brown. 



Female: fore wings reddish-brown, with a white spot 

 near the middle and towards the upper edge. Hind 

 wings reddish-brown. 



Localities for this species are The Land's End, Rams- 

 gate, Plymouth, Birkenhead, Durham, New Brighton, 

 Lythain, Blandford, Lymington, Teignmouth, Eastbourne, 

 and, it is said, the New Forest. 



The perfect insect appears in August. 



The caterpillar is black, with an orange-red spot on 

 the third and fourth segments, a bluish-white line on. 

 each side of the back, which is covered with pale tawny 

 hair, and the remainder greyish. 



The date of the appearance of the caterpillar is from 

 September to June. 



It feeds on the bird's-foot trefoil (Lotus corniculatusj, 

 the plantain ( ' Plantacjo lanceolataj, the medick ( ' Medi- 

 cago falcataj, and the melilot f Mdiloius officinalisj. 



