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~30mm long | January 5, 2013 | Panga Ecological Reserve, Minas Gerais, Brazil

What appears to be a flower here is actually a group of caterpillars working their way down a sapling trunk.

They look like they could do a decent job sharpening a pencil, about the same width as this tree(?) trunk.

Side view | Trunk ~5mm wide

Despite the black background, this was taken a few hours before sunset. At the time there was probably a few feet of the trunk left. I marked the location and returned after dark. I found no trace of the trunk or the caterpillars. They apparently ate the whole tree.

I know there are defoliating caterpillars. I know there are wood boring caterpillars. I never imagined there are caterpillars that consume an entire tree though. That’s assuming they eat leaves, which I didn’t observe. read more