36 A FEW NOTES ON HELIOTHIS SCUTOSA. 



sexes. The species varies slightly in the intensity of its 

 colouring, and in the marginal band of the hind wings. 

 Expands from Ij inch to 1| inch. 



. The caterpillar has been figured by Hubner, and described 

 by Fruger and Treitschke. It is yellowish green, wdth the 

 dorsal and subdorsal lines blackish; its whole surface is 

 covered with small black dots and fine blackish streaks, 

 with many black hairs proceeding from each dot, which 

 form, as it were, small tufts. The head reddish brown 

 spotted with black ; it also varies to green at the sides, the 

 ground colour being: grey. These are divided by a lateral 

 stripe. The larva feeds on the Field Mugwort, Artemsia 

 campestris, in July and August. 



The pupa is slender, reddish brown and greenish on the 

 wing-cases, and is enclosed in a slight and loose cocoon, 

 either under the earth or amongst its food plant. 



I have omitted to state that the larva also feeds on the 

 common Mugwort, Artemsia vulgaris. The larva has not 

 yet been found in the United Kingdom. 



