
Community identification
Black Widow Spider
Latrodectus species
- Order & Family
- Order: Araneae, Family: Theridiidae
- Size
- Females are typically 8-13 mm in body length; males are smaller, about 3-6 mm.
Natural Habitat
Found globally in temperate and tropical regions, typically in dark, dry, undisturbed places like woodpiles, garages, basements, and outdoor brush.
Diet & Feeding
Insects and other arthropods caught in their irregular, sticky cobwebs.
Behavior Patterns
Solitary, nocturnal spiders that spend most of their time hanging upside down in their webs. They are non-aggressive and generally only bite in defense when accidentally pressed against human skin.
Risks & Benefits
Risks: Females possess potent neurotoxic venom (latrotoxin) that causes painful muscle cramps, abdominal pain, and systemic symptoms, requiring medical attention. Benefits: Helps control populations of pest insects like flies, mosquitoes, and beetles.