LEPIDOPTERA. 



199 





in the environs of Paris never reproduce their species, on account of 

 the coldness of the cHmate. Both larva and imago — the former on 

 periwinkle — have been found in the same locality. 



Fig. 184. — Larva of Deilephila (Chaerocampa) nerii. 



The caterpillar of this species (Fig. 184) is one of those called 

 by the French Cochonnes, because their two first rings, which are 

 retractile and drawn back under the third when the insect is at rest, 

 taper in such a way as to resemble the snout of a pig, hence the 



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Fig. 185. — Pupa of Deilephila (Chserocampal nerii. 



English name " Elephant," when they change their place or are en- 

 gaged in eating. It is of a beautiful green, with white stripes and 

 dots on the sides, and marked on the third segment with two large 

 spots like eyes, of an azure blue, encircled with black, and having 

 white pupils, A short orange-coloured horn rises at the extremity of 

 the body. A few days before its transformation, this caterpillar 



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