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Old 06-19-2011, 06:05 AM   #49
suunto
The Bug Whisperer
 
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Join Date: Dec 2008
Location: Monroe County, WV, USA
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Quote:
Originally Posted by oxeyed View Post
The spider gave the caterpillar just a taste and then moved on. I found these guys on a milkweed plant last weekend.
The caterpillar appears to be Cycnia inopinatus, a tiger moth (Lepidoptera: Erebidae; subfamily Arctiinae) with the rather common odd name of the unexpected cycnia. They feed exclusively on milkweed, especially arid land species. See http://mailsage.aristotle.net/images/131/cycnia.jpg for an image and http://www.fs.fed.us/r9/wildlife/tes...Inopinatus.pdf for a very detailed report.

I am less certain on the crab spider, as I cannot see its dorsum, and there are members of at least three genera that can have a similar appearance. It likely was ‘put off’ by the caterpillar’s spiky armature...
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