
Community identification
Lesser Mealworm (Darkling Beetle)
Alphitobius diaperinus
- Order & Family
- Coleoptera, Tenebrionidae
- Size
- 5 to 7 millimeters in length (beetle stage)
Natural Habitat
Warm, damp environments such as poultry houses, bird nests, grain storage areas, and compost piles.
Diet & Feeding
Scavengers that feed on poultry feed, grain, bird droppings, and occasionally animal carcasses.
Behavior Patterns
Nocturnal and highly gregarious. Larvae are often found burrowing in insulation and wood, causing structural damage. They go through a complete metamorphosis.
Risks & Benefits
Significant economic pest in the poultry industry; they carry various pathogens such as Salmonella and E. coli. They can damage insulating materials in buildings.