Bug Identifier
Black Widow Spider
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.
See this bug in the Encyclopedia

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.