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Photo#736135
Caterpillar with 4 tentacles on it's back - Nematocampa

Caterpillar with 4 tentacles on it's back - Nematocampa
Tallahassee, Leon County, Florida, USA
April 8, 2012
Size: About 1 inch or 2.5 cm
The things on it's back only come out for defence like Osmeterium on Swallowtails. I annoyed it to get this photo.

Moved
Moved from ID Request.

Nematocampa resistaria - Horned Spanworm Moth
That must be it.

Maybe

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