Bug Identifier
Smooth Spider Beetle
Community identification

Smooth Spider Beetle

Gibbium aequinoctiale

Order & Family
Order: Coleoptera; Family: Ptinidae
Size
2.0 mm to 3.5 mm in length
See this bug in the Encyclopedia

Natural Habitat

Commonly found in pantries, warehouses, museums, and old homes. They prefer dark, damp locations and are often found in cracks and crevices.

Diet & Feeding

Scavengers that feed on a wide variety of dried organic matter including cereals, flour, dried fruit, spices, rodent droppings, dead insects, and even animal skins or wool.

Behavior Patterns

They are nocturnal and slow-moving. Their rounded, shiny, spider-like appearance is a form of mimicry. They do not fly and can survive for long periods without food.

Risks & Benefits

They are considered a minor domestic pest because they contaminate food stores. They do not bite, sting, or carry diseases, but their presence indicates a need to check for old or spilled food products.