62 



THE BOOK OF BRITISH BUTTERFLIES. 



Wilts, Surrey, &c. It does not seem to have crossed the 

 Northern border, and cannot be looked upon as a common 

 insect in Britain or, indeed, in any part of North-Western 

 Europe. L. sinapis is possibly less common in England 

 than formerly, and if we are to judge by captures extending 

 over some twenty years recorded in The Entomologist^ its 

 presence is chiefly confined to the southern half of 

 England ; South Devon, Worcester, and the New Forest 

 being the localities most often mentioned. 



LEUCOPHASIA SINAPIS 



The eggs are laid singly about the end of May and 

 again about the beginning of August. The larva is found 

 during June, and again from August till the cold weather 

 begins. The second brood, which passes the winter in 

 the pupa state, produces the spring flight of butterflies 

 in May, while the June caterpillars are in the pupa in 

 July, and produce the second flight of butterflies in August. 



The larva (Fig. 50), which feeds on the Tufted Vetch 



