Bites by the woodlouse spider, Dysdera crocata, are virtually innocuous. The main symptom is minor pain, typically lasting less than 1h, probably due mostly to mechanical puncture of the skin.

Can woodlouse spiders bite humans?

A bite from the woodlouse spider can be painful to humans, but their venom isn't believed to be all that harmful. If you've been nipped, you can expect some localised pain and a bit of itchiness - but no serious medical problems.

Is woodlouse spider poisonous?

This species' venom is not dangerous to humans, but their large fangs make bites particularly painful. Because of their oversized fangs, woodlouse hunters are among the few spider species that leave behind visible bite wounds on human skin.