58 



THE MOTHS OF THE BRITISH ISLES. 



three species not generally regarded as true natives have been 

 found in the caterpillar state, and the third was reared from an 

 esTSf obtained with others of the same kind in Norfolk. 



The Alder Kitten {Cerura bimspis). 



This moth (Plate 22, Fig. 3) differs from either of the two 

 next following in being whiter, and in having both margins of the 



central band of the 

 fore wings angled 

 or bent inwards 

 above the middle ; 

 this is markedly so 

 on the outer side. 

 The band itself is 

 black, inclining to 

 purplish rather than 

 grey. Barrett men- 

 tions a specimen 

 without central 

 band or cloud to- 

 wards tip. 



According to 

 Buckler, the cater- 

 pillar is yellow- 

 green ; head dark 

 reddish-brown ; at 

 the back of the 

 head commences a broad, reddish-brown blotch, which runs 

 to a point on the back of the third segment, where is a slight 

 elevation ; on the fourth it recommences and becomes broader 

 on each segment to the eighth, where it extends below and 

 encloses the spiracles, thence it narrows to the tenth, con- 

 tinuing on the eleventh and twelfth as a broad stripe, and 



Fio. 19. 

 Cocoon of the Alder Kitten. 



