Smooth Spider Beetle

Natural Habitat

Often found indoors in warehouses, pantries, and granaries; also resides in bird nests and animal burrows.

Diet & Feeding

General scavengers; they feed on various stored products including grain, spices, seeds, dried animal matter, and hair.

Behavior Patterns

They are nocturnal and slow-moving. Their rounded, shiny, red-to-black abdomens and long legs make them resemble large mites or small spiders. They undergo complete metamorphosis.

Risks & Benefits

They are considered a minor domestic pest as they can contaminate stored food, but they do not bite or sting and pose no direct health risk to humans.

Identified on: 4/16/2026