99 
more. The individual egg is whitish translucent, apparently green- 
•ish when on the leaf. The larva hatches in about io or 12 days, 
and pupates 15 to 20 days later, eating the leaves continuously, and 
going from one leaf to another as a fresh supply of food is re¬ 
quired. When full grown (Fig. 14, C) it is three fourths of an 
Fig. 13. Leaves injured by Greenhouse Leaf-tier, PhlycttEniu 
ferrugalis. 
inch long, green or greenish yellow and slightly translucent (less 
so than when young), with a darker green line along the center 
of the back and a subdorsal double line of white each side. It 
pupates between two leaves or parts of the same leaf folded to¬ 
gether (see Fig. 14, D) and emerges as an adult moth about a 
week later. 
Fig. 14. Greenhouse Leaf-tier, Phlyctcenia ferrugalis . A 
adult with wing's spread; B, same at rest, wing's closed; C, larval 
V pupa. About twice natural size. (G. C. Davis.) 
