97 



two white elongated spots on the sixth segment, and 

 diamond-shaped ones on the seventh, eighth, ninth, and 

 tenth. 



The date of the appearance of the caterpillar is in July. 



It feeds on the bilberry ( Vacciniiim mijrtillus.} 



RIIMIA CRATJEG ARIA. 

 BRIMSTONE MOTH. 



Plate XVII. Figure 5. 



THIS insect measures from a little over an inch and 

 a quarter to above one inch and a half in expanse. 



Male: fore wings deep sulphur-yellow, with a few dull 

 red spots or marks along the upper margin, the first line 

 composed of a few of these spots, the second line also 

 similarly, but the markings are much more or much less 

 distinct in some individuals than in others. Hind wings 

 sulphur-yellow. 



Localities for this species, which is excessively common, 

 are York, Charmouth, Falmouth, &c., &c. 



The situations where it is found are hedgerows, gar- 

 dens, woods, lanes, &c. 



The perfect insect appears in April, May, and August. 



The caterpillar is variously mottled green and brown, 

 with a hump on the seventh segment, and two small ex- 

 crescences on the ninth. 



The date of the appearance of the caterpillar is in 

 June and in October. 



It feeds on the whitethorn, the blackthorn, &c. 



VOL. I. ][ 



