Spotted Diving Beetle vs Harlequin Flower Beetle

Side-by-side species comparison

Attribute Spotted Diving Beetle Harlequin Flower Beetle
Scientific Name Graphoderus cinereus Gymnetis thula
Order Coleoptera Coleoptera
Family Dytiscidae Scarabaeidae
Size 13-16 mm 12-18mm
Habitat Ponds & Lakes Indoors
Diet Omnivores Sap Feeders
Regions Europe North America, South America
Conservation Near Threatened Least Concern

Spotted Diving Beetle

A medium-sized diving beetle with distinctive mottled brown and cream patterning. It inhabits clean, well-vegetated ponds and lakes across Europe.

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Did You Know?

Its camouflage pattern makes it almost invisible against the mottled bottom of weedy ponds.

Harlequin Flower Beetle

A colorful scarab with variable patterns of brown cream and black resembling calico fabric. No two individuals look exactly alike.

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Did You Know?

Like rose chafers it flies with its elytra closed using notches at the sides to deploy its flight wings.