Lesser wax moth (associated with egg mass)

Scientific Name: Achroia grisella

Order & Family: Lepidoptera: Pyralidae

Size: Individual eggs are less than 0.5mm; egg mass can span several centimeters.

Lesser wax moth (associated with egg mass)

Natural Habitat

Typically found in or near honey bee colonies and beehives globally.

Diet & Feeding

Larvae eat honey, beeswax, pollen, and bee cocoons; adults do not feed.

Behavior Patterns

Adults fly at night and deposit clusters of eggs in crevices of beehives. Larvae tunnel through combs, creating silken galleries.

Risks & Benefits

Significant pest in apiculture, causing destruction to honeycombs and physical damage to wooden hive components. They act as scavengers in wild hives.

Identified on: 5/2/2026