Procitheronia larva
Updated as per personal communication with Larry Valentine (Minas Gerais, Brazil), April 2008

Procitheronia principalis larva

Procitheronia principalis larva, Serra da Mantiqueira, Itanhandu, Minas Gerais, Brazil,
April 3, 2008, courtesy of Larry Valentine.

Procitheronia principalis larva, Serra da Mantiqueira, Itanhandu, Minas Gerais, Brazil,
April 3, 2008, courtesy of Larry Valentine.

I think the larva depicted above is either Procitheronia principalis or Procitheronia principalis, probably third instar.

Larry found two additional, more advanced larvae on the same plant on April 4. I think this larva is in fifth instar, and I expect it to darken, especially dorsally, as it readies for pupation. It is starting to look more and more like Procitheronia purpurea, but I suspect P. principalis would be quite similar.

Procitheronia principalis fifth instar larva, Serra da Mantiqueira, Itanhandu, Minas Gerais, Brazil,
April 4, 2008, courtesy of Larry Valentine.

Procitheronia principalis, fifth instar larva, Serra da Mantiqueira, Itanhandu, Minas Gerais, Brazil,
April 4, 2008, courtesy of Larry Valentine.

If you know species, please contact Bill Oehlke.

Carlos Mielke, Kirby Wolfe, Thibaud Decaens, Luigi Racheli and Bernhard Wenczel have all helped with identification of this larva as Procitheronia principalis, based on the subsequent emergent moth.

Procitheronia principalis, Itanhandu, Minas Gerais, Brazil,
September 9, 2008, courtesy of Larry Valentine,
id by Carlos Mielke, Kirby Wolfe, Luigi Racheli, Thibaud Decaens, Bernhard Wenczel.

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