
Community identification
Smooth Spider Beetle
Gibbium aequinoctiale
- Order & Family
- Order: Coleoptera; Family: Ptinidae
- Size
- 1.5 mm to 3.5 mm in length
Natural Habitat
Commonly found in warehouses, granaries, museums, and old homes. They prefer dark, damp locations like crawl spaces or wall voids.
Diet & Feeding
Scavengers that feed on a wide variety of dried organic matter including flour, grain, dried fruit, rodent droppings, leather, wool, and animal skins.
Behavior Patterns
They are nocturnal and have a distinctive humpbacked, spider-like appearance due to their fused elytra and long legs. They are flightless and move relatively slowly.
Risks & Benefits
Generally considered a nuisance pest. They do not bite or sting humans, but they can contaminate food stores or damage museum collections and natural fibers. They do not pose a direct health risk to humans.