Brown Button Spider (or Brown Widow)

Scientific Name: Latrodectus geometricus

Order & Family: Order: Araneae; Family: Theridiidae

Size: Females range from 1/2 to 5/8 inch (12-16 mm) long; males are significantly smaller.

Brown Button Spider (or Brown Widow)

Natural Habitat

Typically found in urban areas, tucked into crevices, under outdoor furniture, woodpiles, or near debris and structures.

Diet & Feeding

Carnivorous; they eat a variety of insects and other spiders captured in their messy, tangled webs.

Behavior Patterns

Night-active hunters that stay within their web. They are known for their distinctive spiky/tufted egg sacs and an orange or yellow hourglass marking on the underside.

Risks & Benefits

They are beneficial for pest control as they eat insects. While they possess neurotoxic venom, they are much less aggressive and their bite is typically less severe than a Black Widow, usually resulting in localized pain and redness.

Identified on: 4/4/2026