
Community identification
Drugstore Beetle (or Bread Beetle)
Stegobium paniceum
- Order & Family
- Order: Coleoptera; Family: Ptinidae
- Size
- 2.25 to 3.5 mm (approximately 1/10 to 1/7 inch)
Natural Habitat
Worldwide distribution, commonly found in pantries, kitchens, pharmacies, and dried organic storage areas.
Diet & Feeding
Polyphagous; they consume a vast array of dried plant products including spices, bread, flour, cereal, nuts, seeds, tea, and even pharmaceutical drugs.
Behavior Patterns
Adults are active flyers and attracted to light. Females lay eggs on food sources; the larvae tunnel through the food as they grow, and the lifecycle takes about 2-7 months depending on temperature.
Risks & Benefits
Significant pest of stored products. They can ruin food supplies and damage books or leather. They do not bite or sting humans and carry no known human diseases, but their presence indicates food contamination.