Cobalt Milkweed Beetle vs Turnip Sawfly

Side-by-side species comparison

Attribute Cobalt Milkweed Beetle Turnip Sawfly
Scientific Name Chrysochus cobaltinus auratus Athalia rosae
Order Coleoptera Hymenoptera
Family Chrysomelidae Tenthredinidae
Size 8-11mm 6-8 mm
Habitat Meadows Farmland
Diet Herbivores Herbivores
Regions North America Europe, Asia
Conservation Least Concern Least Concern

Cobalt Milkweed Beetle

A subspecies of the cobalt blue milkweed beetle with slightly more golden-green coloring.

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Did You Know?

The metallic blue and green coloring warns predators that it has sequestered toxic compounds from milkweed.

Turnip Sawfly

A small orange and black sawfly whose larvae defoliate brassica crops.

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Did You Know?

Larvae sequester glucosinolates from their food plants for chemical defense.