Polyphemous Moth (Saturnidae Saturniinae Antherea polyphemus)

Ova were collected from a mating of moths taken in New Jersey, U.S.A.  The larvae were raised on Liquidamber (Sweet Gum).  In the wild, the larvae typically feed on various species of Quercus (Oak). The male and female look quite similar except the female hindwings are lighter than the male.


The ova were 2 mm / 0.08 inch in diameter.
Ova were laid on May 21, 2001


The 1st  instar larvae were 4.6 mm / 0.18 inches long.
The ova hatched on May 28, 2001.


The 2nd instar larvae were about 9 mm / 0.35 inches long
The caterpillars began the change on June 4, 2001.


This 3rd  instar larvae was about 1.4 cm / 0.5 inches long.
Six days later, on June 10, 2001.

A mature, 3rd instar larvae, about 1.5 cm / 0.6 inches long.
June 12, 2001; Some developed quicker than others.

This 4th instar larva is about 2.5 cm / 1 inches long.
June 15, 2001.
Note that the long spines slant forward, whereas most other species do not.


The mature larva was about 4.3 cm / 1.7 inches long.
June 24, 2001.
The white spots at the base of the major spines are actually clear,
however, at the right angle of  light, they appear shiny silver.


The pupa is formed inside a heavy silk cocoon;
It was 3 cm / 1.2 inches long.
Pupation took place on July 5, 2001,  about 1.5 months from hatching.

An empty pupa case, about 2.3 cm / 0.9 inch long.


The male moth in normal rest position.

Top side of moth.
Wingspan  is  10 cm / 4 inches.
Eclosure took place on  July 24, 2001.
Underside of moth.

 
 

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kilroy
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This page last updated 6-Sep-2001.