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Project Noah Nature School
Papilio polyxenes asterias
Bright green caterpillar with black bands and yellow spots (last instar). When threatened, this caterpillar extends two bright orange, foul smelling "horns" called the osmeterium. Feeding on bronze fennel in the garden. The caterpillars of this species change color with each molt.
Suburban garden.
Egg: http://www.projectnoah.org/spottings/159... First Instar: http://www.projectnoah.org/spottings/308... Second Instar: http://www.projectnoah.org/spottings/304... Third Instar: http://www.projectnoah.org/spottings/312... Adult Female: http://www.projectnoah.org/spottings/135...
Spotted on Sep 14, 2012
Submitted on Sep 16, 2012
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