191 
The perfect insect appears in June and July. 
The caterpillar is grey, the sides tinged with reddish, 
with dark grey lines along the back, and a white line on 
each side below it from the fifth segment to the twelfth. 
The date of the appearance of the caterpillar is in Sep¬ 
tember and October. 
It feeds on the broom. 
The chrysalis is enclosed in a cocoon made of earth. 
ASPILATES CITRARIA. 
YELLOW BELLE-MOTH. 
Plate XXYII. Figure 2. 
This insect measures from a little over an inch to 
one and a quarter in expanse. 
Male: fore wings yellowish, with a slight sprinkling of 
grey. First line grey, curved, and slightly jagged on the 
edge ; second line also grey, nearly straight, and slightly 
jagged below the middle ; central spot grey. Hind wings 
also with a central dot, and beyond it an irregular dusky 
or purple streak, but variable and sometimes entirely 
absent. 
Localities for this species are Plymouth, Deal, and 
the Isle of Portland. 
The perfect insect appears in May and August. 
