195 



The situations where it is found are on the stems of willows 

 and poplars. 



The perfect insect appears in July. 



The caterpillar is whitish on the back and sides, with a 

 broad brownish grey line on each side, below the back, and 

 white dots within grey rings at its lower edge, the second 

 segment with a black plate across it ; the head brown, 

 black behind. 



The date of the appearance of the caterpillar is in 

 May and June June 19. 



It feeds on the poplar and the willow. 



The chrysalis is found on the trunk of the willow and 

 the poplar. 



BATRACHEDRA PINICOLELLA. 

 Plate CXXI. Figure 7. 



Localities for this species are Brighton, West Wickham, 

 Wey bridge, Dartford Heath. 



The situations where it is found are among fir trees, in 

 woods and heaths. 



The perfect insect appears in June and July. 



OINOPHILA V FLAVELLA. 



Plate CXXI. Figure 8. 



Localities for this species are Birkenhead, Newcastle-on- 

 Tyue, Bristol, and London. 



