Waxworm

Scientific Name: Achroia grisella or Galleria mellonella

Order & Family: Lepidoptera: Pyralidae

Size: 20–30 mm (approx. 0.8–1.2 inches) in length

Waxworm

Natural Habitat

Honeybee nests, bird nests, and commercial breeding facilities; often found in storage areas with dried foods.

Diet & Feeding

Opportunistic scavengers that eat honeycomb, wax, pollen, shed bee skins, and cocoons; laboratory strains are often fed a diet of honey and bran.

Behavior Patterns

They are the larval stage of the wax moth. They are highly active borers that can cause significant damage to beeswax combs. They undergo several molts before spinning a silk cocoon for pupation.

Risks & Benefits

Risks: Major pest to beekeeping industry as they destroy honeycomb. Benefits: Widely used as live food for reptilian and avian pets; researchers have discovered they can biodegrade polyethylene (plastic).

Identified on: 4/14/2026