Luiz Claudio Marigo / Caterpillar of Flannel moth (Podalia sp) highly toxic and irritant to the skin when touched, Amazon Upland Rainforest in Manu National Park, Cusco Department, Brazil.

Juergen Freund / Giant Stinging Tree, Urticastrum gigas (also known as Dendrocnide moroides or Dendrocnide excelsa), Australia