Arizona species
Western black widow
Latrodectus hesperus
Medically significant
How to identify
- Shiny black body in adult females.
- Red hourglass under the abdomen.
- Messy tangled web low to the ground.
- Round papery egg sacs.
- Size
- Adult female body: about 0.5 inch.
- Habitat
- Block walls, meter boxes, patio furniture and garages.
- Where in Arizona
- Across Gila Valley, Sierra Vista and White Mountains.
Look-alikes
Prevention
- Seal gaps around doors and windows.
- Wear gloves when moving stored items.
- Keep boxes off the floor.
- Reduce clutter near walls.
Call Hydra when widow webs or egg sacs appear near people. After a suspected bite, contact a doctor or Poison Control at 1-800-222-1222.
When to call Hydra
Call or text us, we answer both. Or send us your details and we'll come back with a free quote.
Frequently asked questions
Where should I look for widow webs?
Check sheltered spaces near the ground without putting your hands inside.
Should I handle a black widow?
No. Keep people and pets away and ask our Service Pros for help.