"Porcupine" Catepillar...What Species?

[Doug Yanega]

That's a Leopard Moth larva (family Arctiidae), probably Hypercompe
scribonia, as Liz Day suggested (though with the defunct genus name).

Peace,

[NOTE THAT I WILL BE LEAVING BRAZIL ON FEB 13]

Doug Yanega    Depto. de Biologia Geral, Instituto de Ciencias Biologicas,
Univ. Fed. de Minas Gerais, Cx.P. 486, 30.161-970 Belo Horizonte, MG   BRAZIL
phone: 31-499-2579, fax: 31-499-2567  (from U.S., prefix 011-55)
                  http://www.icb.ufmg.br/~dyanega/
  "There are some enterprises in which a careful disorderliness
        is the true method" - Herman Melville, Moby Dick, Chap. 82