Asian Lady Beetle (Harlequin) vs Black and Yellow Longhorn

Side-by-side species comparison

Attribute Asian Lady Beetle (Harlequin) Black and Yellow Longhorn
Scientific Name Harmonia yedoensis Rutpela maculata
Order Coleoptera Coleoptera
Family Coccinellidae Cerambycidae
Size 6-9 mm 13-20mm
Habitat Forests Underground
Diet Omnivores Nectar Feeders
Regions East Asia, Japan Europe
Conservation Least Concern Least Concern

Asian Lady Beetle (Harlequin)

A large ladybug native to Japan, closely related to the invasive Asian lady beetle. Found in forest canopies where it feeds on aphids. Distinguished by its slightly more elongated body shape.

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Did You Know?

Unlike its more famous relative Harmonia axyridis, this species has stayed in its native range and has not become a worldwide invasive pest.

Black and Yellow Longhorn

A slender wasp-mimicking beetle with yellow elytra marked with black bands and spots. It is a common flower visitor in European summers.

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Did You Know?

Its wasp-like coloring is a form of Batesian mimicry that deters predators despite being completely harmless.