9 
LARGE CATERPILLARS FEEDING IN COLONIES 271 
The Red-humped Apple Caterpillar (Schizura concinna 8. and A.) 
Fig. 382.— The Red-humped Apple Caterpillar. Original. 
This species has the same habits and life round as the preceding. 
It is abundant in late summer, and feeds in colonies. Like the other, 
Fic. 383. — Eggs of the Red- 
humped Apple Caterpil- 
lar. Enlarged. Original. 
Control is the same 
as for the preceding 
species. The two will 
be found on orchard 
foliage at about the same 
time of year. 
it jerks its head and tail into the air 
when alarmed. The body of the cat- 
erpillar is spiny, and is marked with 
fine, narrow stripes of black and yel- 
low. A short distance back of the 
head is a hump which is conspicu- 
ously red. 
Fig. 384.— Adult of the Red-humped Apple 
Caterpillar. Slightly enlarged. Original. 
