Body hair

  • Body without obvious, dense, hair-like covering (Figure D); go to step 3.
  • Body obviously hairy (Figures E, F, G). Your species is most likely a cattail caterpillar, woolly bear caterpillar, io moth caterpillar.

Dense hair-like covering.
Figure D. Go to step 3

Cattail caterpillar
Figure E. Cattail

Woolly Bear caterpillar
Figure F. Woolly Bear

Io caterpillar
Figure G. Io Moth