Buff Arches vs Japanese Whirligig Beetle

Side-by-side species comparison

Attribute Buff Arches Japanese Whirligig Beetle
Scientific Name Habrosyne pyritoides Gyrinus japonicus
Order Lepidoptera Coleoptera
Family Drepanidae Gyrinidae
Size 38-43 mm wingspan 5-8 mm
Habitat Underground Ponds & Lakes
Diet Omnivores Omnivores
Regions Europe, temperate Asia Japan, Korea, China
Conservation Least Concern Least Concern

Buff Arches

A moth with intricate grey, white, and buff patterns creating a complex marbled effect on its forewings. It is closely related to the peach blossom and shares its bramble association.

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Did You Know?

Its wing pattern is so complex that no simple description captures it, leading some to call it 'baroque'.

Japanese Whirligig Beetle

A common whirligig beetle in East Asia found on still and slow-flowing water surfaces. It forms large social groups especially in autumn.

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Did You Know?

It uses the Marangoni effect, exploiting surface tension gradients to propel itself rapidly across water.