Bug Identifier
Lesser Mealworm (Darkling Beetle)
Community identification

Lesser Mealworm (Darkling Beetle)

Alphitobius diaperinus

Order & Family
Coleoptera, Tenebrionidae
Size
5 mm to 6 mm in length
See this bug in the Encyclopedia

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.