LEPIDOPTERA. 



209 



The Lime-tree Hawk-moth {Snwinthus tilice, Fig. 196) has its 

 "upper wings grey with some shades of green, and moreover, in the 

 middle of the wing an irregular band of a brownish green colour. 

 The thorax, covered with hairs, is grey, with three green longitudinal 

 Dands. The abdomen is also grey. The moth flies heavily after 

 iunset, and is found on the trunks of trees during the months of May 

 md June. The larva (Fig. 197) is glaucous green dotted with yellow, 

 md marked on each side with seven oblique lines of the same colours. 





Poplar Hawk-Moth {Sviermthus populi). 



ts wrinkly horn is blue above and yellow below. It is found on the 

 me and the elm. It buries itself at the foot of the tree on which it 

 as fed to change into a chrysalis without making a cocoon. 



We will content ourselves by here giving drawings of two other 

 secies of the same genus : the Eyed Hawk-Moth {Snicrinthus ocellatus, 

 "ig. 198), which is not rare during the months of May and some- 

 mes August, the caterpillar of which lives on the leaves of willows, 

 oplars, and fruit-trees ; and the Poplar Hawk-Moth {Smerinthus 

 ^piili, Fig. 199), whose caterpillar (Fig. 200) lives on the poplar, 

 le aspen, and sometimes on the willow and birch. 



The division oi Bouibycina contains the largest of moths, and at 



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