208 POPULAE ENTOMOLOGy. 



similar to the preceding, but smaller, and with only five 

 spots on the upper wings. The caterpillar is green, with 

 two longitudinal bands on each side, and a yellow dot on 

 each segment ; it feeds on the honeysuckle and other plants. 

 The moth is less common than the preceding. 



There are several species of this pretty genus, all noted 

 for their brilliant colours, generally bluish-black and bright 

 red, the latter hue predominating on the lower wings and 

 forming spots on the upper. They are occasionally very 

 numerous : I have found them in profusion near Ventnor, 

 Isle of Wight, and they are also found in Scotland. 



Lepidopteea. Sphingid^. 

 SMEEINTHUS. 

 Generic Distinctions.- — See page 135. 

 Smeeinthus populi. Poplar Rawh-MotJi. This species 

 differs from all those mentioned before, in having the outer 

 margin of all the wings dentated; the colour is greyish- 

 brown, occasionally inclining to rusty-red and grey, with 

 bands and rays of a deeper hue than the ground-colour; 

 the upper wings have a white mark in the centre ; at the base 



