72 
Psyche 
[June-Sept. 
that of A. lytrea chrysopelea due to the fact that its height 
surpasses its diameter. There may be eleven or twelve 
longitudinal ribs. The same female may lay eggs of both 
types. In all other respects the eggs resemble those of the 
next species. 
First Instar. Head height .3 mm.; head width .38 mm. 
Head shiny piceous. Nearly round. Few scattered black 
hairs. Plate V Figure 3 shows the locations and distribution 
of these hairs. Body 2 mm. long. Color before eating prim- 
rose yellow. After eating, parrot green. First abdominal 
segment orange. Body covered with scattered hairs arising 
from brown sclerites. Hairs long and microscopically ser- 
rate. Dorsally located hairs black. Forwardly recurved. 
Those below the subventral fold transparent and back- 
wardly recurved. The distribution of the hairs dorsal to 
the subventral fold on the prothoracic segment is shown in 
Plate VI Figure 1. On the cervical shield are located four 
pairs of hairs. Three of these are in a transverse line on 
the anterior edge of the shield. The fourth is on the pos- 
terior edge. Ventral to the shield proper is a sclerite bear- 
ing two hairs directed downward. The more anterior one 
is longer. The prespiracular wart bears a single hair. In 
the subventral position are located two small transparent 
hairs of equal length. Both are directed downward. The 
arrangement of the hairs on the fourth abdominal segment 
is shown in Plate VI Figure 2. Hairs i, iii, and v are in a 
straight line and ii, iv, vi, vii, viii in a straight line on the 
posterior edge of the segment, v is ventral and slightly 
anterior to the spiracle, iv is directly posterior to the 
spiracle. Hairs i to v are long and conspicuous. Hairs vi 
to viii are minute. Spiracles same color as body. Rimmed 
with fuscous. 
Second Instar. Head height .5 mm. ; head width .55 mm. 
Head shiny piceous, nearly black. Region of ocelli black. 
Large branched spines on apex of head slightly lighter in 
color than the surrounding surface. Spine stouter and more 
swollen distally than in the next species. Plate V Figure 6 
shows the arrangement of the hairs of the head in this 
instar. Body 3.75 mm. long. Parrot green. Now covered 
with large black branched spines. These are distributed as 
