
Community identification
Black Widow Spider
Latrodectus mactans (Northern/Southern Black Widow)
- Order & Family
- Order: Araneae, Family: Theridiidae
- Size
- Adult females are approximately 1.5 inches long with legs extended.
Natural Habitat
Dark, undisturbed areas such as woodpiles, basements, crawlspaces, and gardening containers.
Diet & Feeding
Carnivorous; primarily insects like flies, beetles, and grasshoppers caught in their webs.
Behavior Patterns
Produces strong, irregular cobwebs; nocturnal hunters that are generally shy and only bite when threatened or compressed against skin.
Risks & Benefits
Possesses potent neurotoxic venom (latrotoxin) that can cause severe pain and muscle cramps in humans; provides ecosystem benefits through natural pest control.