January 28, 2010 | Caraça Natural Park, Minas Gerais, Brazil
Commenters had no trouble finding the cryptic critter circled above on a partially eaten leaf. No one figured out that it was a caterpillar though, and a rather bizarre one at that. Here’s a closer look.
It's a caterpillar
It does a pretty good job, I think, of blending in with the damaged areas of the other leaves. I suspect the brown leaf areas were damaged by an earlier instar that chews away at the surface of the leaf rather than eating the entire thing. It looks formidable and I didn’t risk touching it. Those black structures are unlike anything I’ve seen on a caterpillar.
Here’s a head shot.
Head on view
I don’t really have any idea what type of caterpillar it is. I suspect this is just a middle instar and that the final instar might be quite different looking.
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