148 Psyche [December 
Polites baracoa (Lucas) 
Egg. 
Height .5 mm. Greatest diameter .7 mm. Yellow when 
laid, later becomes flesh color due to the appearance of 
blood red coloring in the fine raised reticulation present over 
the surface of the egg. 
First Instar. 
Head height .4 mm. ; head width .37 mm. Head deep 
piceous. Shallowly punctate. Shield same color. Length of 
body 1.5 mm. Body yellow at emergence; after eating, 
tinged with grass green. Clothed with short distinctly clav- 
ate hairs. Anal segment with two pairs of long forwardly 
recurved hairs and a shorter pair of backwardly decurved 
hairs. Spiracles very faint fuscous. Legs fuscous. 
Second Instar. 
Head height .7 mm. ; head width .6 mm. Head lighter 
piceous than before, with more numerous short colorless 
hairs. Head roughly punctate. In some specimens there are 
light areas in the regions of the epicranial and adfrontal su- 
tures. Body length 2.4 to 4 mm. Body light green covered 
with many short colorless to brown hairs. Anal plate gray. 
Third Instar . 
Head height .9 mm. ; head width .85 mm. Head roughly 
punctate. Slight evidence of light areas characteristic of 
later instars (cf. Fig. 10). Length of body 5.5 mm. Green 
dorsally, yellow laterally and ventrally. Covered with nu- 
merous short black hairs. Anterior two thirds of anal plate 
gray with a roughly spherical light area on either side of 
the median line. Posterior third of anal plate a much lighter 
gray. 
Fourth Instar. 
Head height 1.1 mm. ; head width 1.1 mm. Head coarsely 
shagreened. Characteristic piceous design on a very light 
fuscous background (Fig. 10). Margin of foramen magnum 
piceous. Body length 6.5 to 8 mm. Mid-dorsal line dull 
green. Paradorsal lines mottled with light and dark green. 
Intersegmental areas brownish. Spiracles light cream. Short 
hairs covering body arising from small black warts. Dark 
