description Greater Wax Moth Overview
Greater wax moth is the common name for Galleria mellonella, a pyralid moth associated with honey-bee colonies. Its larvae feed on beeswax comb and also consume material such as cocoons, cast skins, and pollen, while spinning silk-lined tunnels through the comb. Infestations are most damaging in weak or dead colonies and in stored comb that is not protected by active bees, so the species is a significant pest for beekeepers. [Penn State Extension](https://extension.psu.edu/a-quick-reference-guide-to-honey-bee-parasites-pests-predators-and-diseases)
help Greater Wax Moth FAQ
What is the scientific name of the greater wax moth?
The greater wax moth is Galleria mellonella. It is a pyralid moth strongly associated with honey-bee colonies.
What do greater wax moth larvae eat?
The larvae feed on beeswax comb and also consume pollen, cocoons, and cast skins. They tunnel through the comb while producing silk-lined galleries.
Why are greater wax moths a problem for beekeepers?
Heavy infestations can damage or destroy stored comb, especially in weak or abandoned colonies. The larvae's tunnels break through wax structures and leave silk and debris behind.
Do greater wax moths attack living bee colonies?
They can occur in active colonies, but strong honey-bee colonies often remove or control the larvae. Weak colonies and stored comb are more vulnerable to serious infestation.
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