Australian Water Scavenger Beetle vs Cobalt Milkweed Beetle

Side-by-side species comparison

Attribute Australian Water Scavenger Beetle Cobalt Milkweed Beetle
Scientific Name Sternolophus marginicollis Chrysochus cobaltinus auratus
Order Coleoptera Coleoptera
Family Hydrophilidae Chrysomelidae
Size 10-14 mm 8-11mm
Habitat Farmland Meadows
Diet Scavengers Herbivores
Regions Australia, Southeast Asia North America
Conservation Least Concern Least Concern

Australian Water Scavenger Beetle

A medium-sized water scavenger beetle found throughout Australia and parts of Southeast Asia. It is attracted to lights at night and commonly flies between water bodies.

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Did You Know?

It can produce an audible stridulation by rubbing its abdomen against the elytra when handled.

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.