Funnel Web Spider United States 2025 Schedule. Range californicus — baja california, southern california, arizona, south to nayarit in mexico. This funnel weaver is found throughout most of the united states, most notably in sheds and barns, in the crevices of doors, and under rocks and boards.

Learn about the , , and of funnel web spiders in texas. Look for funnel weaver and grass spider webs on summer mornings when the dew has settled on the webs.