Venomous spiders in Hawaii

Venomous spiders living in Hawaii

1species, plus 1 with rare records

Brown widow. Photo: Jade Fortnash, CC0, via iNaturalist

How to recognize them

Brown widowPainful, rarely serious5 records, 3 counties

Brown widow Latrodectus geometricus

Tan to dark brown female with an orange hourglass
Spiky round egg sacs that look like burrs
Webs under patio chairs, mailboxes and eaves

Almost all spiders have venom, but very few can hurt people. We list the ones with medically significant bites plus a few that people often worry about.

Counties with records

None recorded
1 species
2
3 to 4
5 or more

Venomous spiders with open GBIF records, by county: 3 counties so far. Blank does not mean absent.

Active months

Open records of venomous spiders in Hawaii by month.

Rare records

Rare records Black widow 12 open records, latest 2026

Harmless spiders people mistake for them

Wolf spiderHarmlessHarmless

Quick answers

Questions

How many venomous spiders are in Hawaii?

1 species live in the state: Brown widow.

Which venomous spiders in Hawaii are dangerous?

None of them is considered medically significant for most people. Stings and bites hurt, and allergic reactions are possible.