Bug Identifier
Mealworm (Larva of the Darkling Beetle)
Community identification

Mealworm (Larva of the Darkling Beetle)

Tenebrio molitor

Order & Family
Coleoptera: Tenebrionidae
Size
2.0 to 3.5 cm (0.79 to 1.38 inches) as larvae
See this bug in the Encyclopedia

Natural Habitat

Found in dark, cool, and moist places; commonly found in stored grain, flour, and organic debris

Diet & Feeding

Omnivorous; primarily feeds on decaying vegetation, grains, flour, and occasionally animal matter

Behavior Patterns

Larvae go through several molts before pupating into adult beetles; they are photophobic and stay hidden during the day

Risks & Benefits

Considered a minor pest in food pantries but widely beneficial as a sustainable protein source for pets and humans; also helps decompose organic matter