Mustard Beetle vs Wax Moth

Side-by-side species comparison

Attribute Mustard Beetle Wax Moth
Scientific Name Phaedon cochleariae Galleria mellonella
Order Coleoptera Lepidoptera
Family Chrysomelidae Pyralidae
Size 3-4 mm 30-40 mm wingspan
Habitat Farmland Gardens
Diet Herbivores Herbivores
Regions Europe Worldwide
Conservation Least Concern Least Concern

Mustard Beetle

A small metallic blue-black beetle that feeds on watercress, mustard and other crucifers. Both adults and larvae damage crops. Common in damp habitats near streams.

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Did You Know?

Commercial watercress growers regard this tiny beetle as one of their most persistent pest problems.

Wax Moth

A moth whose larvae feed on beeswax in bee hives, causing major damage to comb. Also famous in science as a model organism for testing antibiotics and studying insect immunity.

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Did You Know?

Wax moth larvae can digest polyethylene plastic, offering potential for plastic waste degradation.