These caterpillars carry a toxic chemical cocktail and Inquisition-like delivery implements—and their geographic range is ...

Browntail moth caterpillars (Euproctis chrysorrhoea) have tiny barbed hairs containing toxins. These poisonous hairs cause skin rashes when touched and may cause breathing problems if inhaled.

Touching the caterpillars can cause uncomfortable rashes, similar to those caused by poison ivy. The N.H. Forest Health Bureau found and removed winter webs, small clumps typically encased in silk ...

For a Queensland boy mere seconds could have been the difference between life or death when he encountered a common hairy ...