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Photo#715202
caterpillar - Datana

caterpillar - Datana
San Padro Rver Valley east of Sierra Vista, Cochise County, Arizona, USA
September 7, 2012
This is a Datana. Can it be perfusa? Both photos are from the same group of caterpillars on a bush. The maroon ones were smaller (earlier instar) and the black ones are larger

Images of this individual: tag all
caterpillar - Datana caterpillar - Datana

Moved

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Looks like
Datana perspicua to me on possibly winged sumac. I experienced an explosion of these caterpillars in a remote area of dwarf sumac late this summer. They devoured many plants in a couple of days and changed from red on yellow to black on yellow very quickly.
Since I'm not an expert, you may want to get expert ID.

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