Western black widow spider
- kingdom: Animalia
- phylum: Arthropoda
- class: Arachnida
- order: Araneae
- family: Theridiidae
- genus: Latrodectus
- species: Latrodectus hesperus
Kamloops
British Columbia
CanadaFlagstaff
ArizonaSan Diego Country Estates
Vineyard
CaliforniaCortez
ColoradoLos Alamos
New MexicoTaylorsville
Utah
United States