Here's the caterpillar of an io moth, which has mildly toxic bristles. A touch can cause a minor rash. I get a lot of comments about the surprising dangers mentioned in Deadly Kingdom, including a few moths and butterflies that can do more than irritate. Some have put people in shock.
Most butterflies and moths are harmless, of course. Here's an expanded version of the slideshow "Butterflies and Moths of Wisconsin," featuring (mostly) the work of photographer D'Arcy Allison-Teasley. I first ran this back in July, and it proved to be one of one of our more popular slideshows.
- Sphinx Moth