
Community identification
Lesser Mealworm (Darkling Beetle)
Alphitobius diaperinus
- Order & Family
- Coleoptera, Tenebrionidae
- Size
- 5 mm to 6 mm in length
Natural Habitat
Damp environments, poultry houses, grain storage, and decaying plant matter.
Diet & Feeding
Scavengers that feed on spilled grain, poultry feed, animal droppings, and occasionally dead insects.
Behavior Patterns
Nocturnal and highly reproductive in warm, humid conditions; larvae often burrow into insulation to pupate.
Risks & Benefits
Significant pest in agriculture; can transmit diseases like Salmonella and cause structural damage to insulation, but also used as reptile feed.