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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) » Buck and Io Moths (Hemileucinae) » Hemileucini » Coloradia » Doris' Pinemoth - Hodges#7725 (Coloradia doris)
Photo#601258
Fat caterpillar - Coloradia doris
Copyright © 2011 H. B. Nuckwahler

Fat caterpillar - Coloradia doris
Bryce Canyon National Park, Utah, USA
September 8, 2010
Probably about 3 inches long, maybe a bit more. Was crossing a trail. Never seen one like it before or since.
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Contributed by H. B. Nuckwahler on 14 December, 2011 - 4:51pm
Last updated 18 December, 2011 - 1:25pm

Moved
Moved from ID Request.
… metrioptera, 16 December, 2011 - 4:58pm login or register to post comments

Definitely Coloradia
As for the species, I'd also say C. doris, I believe C. pandora davisi is within range, but this larva more closely resembles the larvae of C. doris.

This is the first larval C. doris image for the guide.
… Ryan St Laurent, 14 December, 2011 - 8:57pm login or register to post comments

 
Excellent!
I'm very pleased to have contributed a new species.
… H. B. Nuckwahler, 15 December, 2011 - 4:14pm login or register to post comments

Likely genus Coloradia or perhaps Hemileuca
I don't have anything handy now to double check the species. Coloradia larvae feed on pines, and get very large. Perhaps this is C. doris?
… David J. Ferguson, 14 December, 2011 - 6:53pm login or register to post comments

 
You're probably right
...but how to differentiate between those two genera? The Coloradia caterpillars on BugGuide-now that you've directed me to them-seem too shiny for this individual, making me lean towards Hemileuca, but shininess is a fairly useless taxonomic indicator.
… H. B. Nuckwahler, 14 December, 2011 - 7:32pm login or register to post comments

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