
Community identification
Smooth Spider Beetle
Gibbium aequinoctiale
- Order & Family
- Coleoptera: Ptinidae
- Size
- 2.0 mm to 3.5 mm in length
Natural Habitat
Found in dark, damp environments such as warehouses, mills, granaries, and basements; often associated with debris or nesting materials.
Diet & Feeding
Generalist scavengers that feed on dried organic materials, including grain, flour, dried fruit, wool, animal skins, and rodent droppings.
Behavior Patterns
Nocturnal and flightless; their globular, shiny appearance mimics a spider or large mite. They can survive long periods without food and undergo complete metamorphosis.
Risks & Benefits
Primarily a nuisance household pest that can contaminate stored food products; they possess no venom and do not bite humans or pets.