Western black widow spider
- kingdom: Animalia
- phylum: Arthropoda
- class: Arachnida
- order: Araneae
- family: Theridiidae
- genus: Latrodectus
- species: Latrodectus hesperus
- Kamloops
British Columbia
Canada- Flagstaff
Arizona- San Diego Country Estates
- Vineyard
California- Cortez
Colorado- Los Alamos
New Mexico- Taylorsville
Utah
United States