20 
Psyche 
[March 
as thirty ribs. The ribs are connected by faint cross stripes 
approximately .03 mm. apart. Usually not parallel. The 
color of the egg at the time of oviposition varies consider- 
ably. In one case a freshly laid egg lemon yellow in color 
was followed fifteen minutes later by one in which the larva 
was clearly visible through the colorless transparent shell. 
First Instar 
Head height .2 mm. ; head width .28 mm. Head smooth, 
shiny black with few short pale hairs. Body length 1.5 mm. 
deep turtle green. Few long fuscous spatulate hairs scat- 
tered over body. Arise from large rounded tubercles. Two 
para-dorsal, red, fleshy protuberances on prothoracic seg- 
ment. Each crowned with a rounded shiny black spine. 
Second Instar 
Head height .8 mm. ; head width .9 mm. Head black to 
dark brown. Bears many short tapering hairs, colorless to 
light fuscous. Body length 4 mm. Prothoracic protuber- 
ances now bear several short hairs on their sides. Spatulate 
hairs of body now much shorter. Tubercles from which they 
arise relatively larger. Each segment now bears in addition 
to the spatulate hairs a pair of blunt shiny black hairs para- 
dorsally, laterally, and in the suprastigmatal position. All 
arise from prominent tubercles. Body dark greenish glau- 
cous with dark green mid-dorsal line and light green to white 
stigmatal line. 
Third Instar 
Very little change from previous instar. Head light green. 
Fourth Instar 
Similar to third instar. Head green to greenish yellow. 
Fifth Instar 
Head height 1.2 mm. ; head width 1.2 mm. Head light 
green to yellow. Otherwise not much change. Body length 
17 mm. There is a wide variation in the coloring of the larva. 
The shade of green varies. Some larvse were grass green 
while others were dark greenish glaucous. Some possess a 
darker green mid-dorsal line while others have a bright red 
