Bug Identifier
Smooth Spider Beetle
Community identification

Smooth Spider Beetle

Gibbium aequinoctiale

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

Natural Habitat

Found indoors in pantries, warehouses, museums, and old buildings where dried organic matter is present.

Diet & Feeding

Scavenger of dried plant and animal materials, including grains, spices, seeds, dried fruit, silk, wool, and leather.

Behavior Patterns

Primarily nocturnal and slow-moving. They are flightless and have a bulbous abdomen that resembles a spider or a drop of blood. They can survive for long periods without food.

Risks & Benefits

A common nuisance pest that can contaminate stored food products and damage fabrics or museum specimens; they do not bite humans or pets.