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Photo#171267
 large gray caterpillar - Erinnyis ello

large gray caterpillar - Erinnyis ello
Palm Beach County, Florida, USA
February 19, 2008
Size: 3-4 inches
This was on Stillingia aquatica, Euphorbiaceae and had apparently eaten almost all of the leaves on it. Depression marsh in wet flatwoods. I think that this looks "underwingish", but don't know my leps very well.

Erinnyis ello-sphinx moth
It appears that this is an Erinnyis ello sphinx moth. David Wagner made a probable ID and there's another picture of this gray morph here:
http://bugguide.net/node/view/6575

Yes "underwingish"
We were thinking Zale, but couldn't match it yet.

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