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Home » Guide » Arthropods (Arthropoda) » Hexapods (Hexapoda) » Insects (Insecta) » Butterflies and Moths (Lepidoptera) » Silkworm, Sphinx, and Royal Moths (Bombycoidea) » Giant Silkworm and Royal Moths (Saturniidae) » Silkmoths (Saturniinae) » Attacini » Callosamia » Promethea Moth - Hodges#7764 (Callosamia promethea)
Photo#66760
Callosamia promethea
Copyright © 2006 Tom Bentley

Callosamia promethea
Reed Turner Woodland, Lake County, Illinois, USA
June 26, 2006
I think these were feeding on ash...initial ID was way off.
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Contributed by Tom Bentley on 26 July, 2006 - 9:43pm
Last updated 27 July, 2006 - 9:05am

Callosamia
These are actually moth caterpillars, genus Callosamia. Probably Callosamia promethea, but there are a few other species it could be. Their foodplant might be able to tell you which they are. Great photo!
… Craig Biegler, 27 July, 2006 - 9:00am login or register to post comments

 
Good call!
These are a close match for the early instars pictured in Wagner (1), including the black warts at the ends and the yellow warts in the middle.
… Hannah Nendick-Mason, 27 July, 2006 - 9:04am login or register to post comments

Definitely not Black Swallowtail caterpillars
- I think the hairy warts and general shape rule that out, though the coloring is similar. Do you know what they were eating? Size? I would guess they are moth larvae, but I can't get you any further than that, I'm afraid.
… Hannah Nendick-Mason, 27 July, 2006 - 8:59am login or register to post comments

 
Thanks Hannah! Thats what the
Thanks Hannah! Thats what they are...I should have known since I always find the Callosamia promethea cocoons in this area on these trees.
… Tom Bentley, 27 July, 2006 - 9:04am login or register to post comments

 
I think they may have been ea
I think they may have been eating ash. not 100% sure though.
… Tom Bentley, 27 July, 2006 - 8:59am login or register to post comments

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