Spiders in New Hampshire

The big, fast wolf spider in your NH basement looks alarming but is harmless and beneficial. How to ID it, why it's not a brown recluse, and how to keep it out.

The bold jumper is New Hampshire's official state spider — a fuzzy, curious, harmless hunter with iridescent green fangs. How to ID it and whether it bites.

The long-legged cellar spider in your NH basement is harmless and eats other spiders. Why the 'world's most venomous' claim is a myth, plus how to clear webs.

New Hampshire's only medically significant spider is also shy and genuinely rare. How to ID a northern black widow, what its bite does, and when to worry.

The black-and-yellow garden spider with the zigzag web is a harmless NH garden ally — its bite is bee-sting mild. How to ID it and why it's worth keeping.

This Ortho aerosol combines two pyrethroids, pyrethrins, and quats. Cats and birds need real caution. Honest, per-species, vet-sourced pet safety guide.

It depends on the spider. Most house spiders already live indoors year-round and simply cluster in undisturbed attics and basements once winter sets in.

Spiders peak indoors in Sept–Oct because mature males are roaming to mate — not fleeing the cold. NH has almost no dangerous spiders. Here's the honest timing.

A vacuum, a jar, and sealed cracks beat any spray — extension sources actually recommend the chemical-free method here. Here's how, and why it wins.

Yes — unlike cluster flies or stink bugs, house spiders genuinely breed indoors year-round. The fall spike is mating-season males, not a cold-driven invasion.

Wolf spiders hunt on the ground and enter near the foundation chasing prey as it cools in fall. Prey and ground-level shelter explain it, nothing more.

Wolf spiders look scary but rarely bite, and Cleveland Clinic says the bite needs no care. Honest DIY: seal entry points, clear clutter, catch-and-release.

The "most venomous spider, too short to bite" myth is false, per UC Riverside. Cellar spiders are harmless — just remove webs and dry out damp areas.

Jumping spiders don't jump AT you — that's curiosity, not aggression. They're harmless, beneficial hunters. The honest DIY: catch-and-release, seal gaps, relax.

Spider beetles scavenge rodent debris, not just food. The honest DIY: check attics and voids, not only the pantry, then seal food storage airtight.

Brown recluse spiders aren't established in New Hampshire, per UNH. Before treating, confirm ID — most "recluse bites" here turn out to be something else.