Bug Identifier
Black Widow Spider
Community identification

Black Widow Spider

Latrodectus mactans

Order & Family
Order Araneae, Family Theridiidae
Size
Body length is about 8 to 13 millimeters for females, with a leg span up to 38 millimeters.
See this bug in the Encyclopedia

Natural Habitat

Found in dark, sheltered areas such as woodpiles, under stones, in outbuildings, and occasionally indoors in undisturbed corners.

Diet & Feeding

Insects and other arthropods captured in their irregular, sticky cobwebs.

Behavior Patterns

Solitary and nocturnal, females are known for sometimes consuming the male after mating, and they aggressively defend their egg sacs.

Risks & Benefits

Potential risks include a neurotoxic venom from female bites that can cause severe pain and medical complications for humans, while benefits include controlling local insect pest populations.