31 
MICROPTERYX MANSUETELLA. 
Plate C. Figure 14. 
The situations where it is found are woods. 
The perfect insect appears in May and June. 
MICROPTERYX ALLIONELLA. 
Plate C. Figure 15. 
Localities for this species are Scarborough, Birming¬ 
ham, etc. 
The situations where it is found are woods. 
The perfect insect appears in May and June. 
The caterpillar is whitish with a greyish green line on 
the back, the head whitish with brownish spots on each 
side ; the three hind segments have a reddish tinge ; on 
the fifth is a slight protuberance on the side. 
The date of the appearance of the caterpillar is in 
June—June 27. 
It feeds on the birch. 
MICROPTERYX TIIUNBERGALLA. 
Plate C. Figure 16. 
Localities for this species are Lewes, Market Har¬ 
bor o ugh. 
The situations where it is found are among beech 
trees. 
The perfect insect appears in June. 
