Memoir 58 PLatTe LXXX 
fh. 
aa 
CHRYSOPA NIGRICORNIS 
1, Cocoon, showing black disk of last larval molt. 2, Mature second-instar 
larva. 8, Normal egg. 4, Early third-instar larva. 5, First-instar larva, just 
hatched. 6, Head of adult, the two-spotted type 
(All x about 10%) 
