Botany Bay Diamond Weevil vs Mustard Beetle

Side-by-side species comparison

Attribute Botany Bay Diamond Weevil Mustard Beetle
Scientific Name Chrysolopus spectabilis Phaedon cochleariae
Order Coleoptera Coleoptera
Family Curculionidae Chrysomelidae
Size 15-25 mm 3-4 mm
Habitat Beaches & Coastal Farmland
Diet Omnivores Herbivores
Regions Australia Europe
Conservation Least Concern Least Concern

Botany Bay Diamond Weevil

A large weevil covered in brilliant pale green scales with black diamond-shaped patches. It was one of the first Australian insects described by European science.

💡

Did You Know?

It was collected by Joseph Banks during Captain Cook's first voyage to Australia in 1770.

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.

💡

Did You Know?

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