Smooth Spider Beetle

Natural Habitat

Found in indoor environments like warehouses, granaries, bakeries, and residences, often in dark, damp locations such as crawl spaces or behind baseboards.

Diet & Feeding

Generalist scavengers that feed on organic matter including dried pet food, seeds, grains, leather, silk, animal droppings, and dead insects.

Behavior Patterns

They are flightless and primarily active at night. They have a distinctive spider-like appearance due to their rounded, shiny abdomens and long legs. They can survive long periods without food.

Risks & Benefits

They do not bite or sting and are not a health hazard to humans or pets. They are considered minor household pests because they can contaminate stored food products and occasionally damage natural fabrics or paper.

Identified on: 1/14/2026