Longhorn Harlequin Beetle vs Yellow-shouldered Christmas Beetle

Side-by-side species comparison

Attribute Longhorn Harlequin Beetle Yellow-shouldered Christmas Beetle
Scientific Name Aristobia approximator Anoplognathus chloropyrus
Order Coleoptera Coleoptera
Family Cerambycidae Scarabaeidae
Size 30-55 mm 16-22 mm
Habitat Farmland Forests
Diet Wood Feeders Root Feeders
Regions Southeast Asia (Malaysia, Indonesia, Thailand, Philippines, Vietnam) Australia, Oceania
Conservation Least Concern Least Concern

Longhorn Harlequin Beetle

A large longhorn beetle with attractive pale grey elytra marked with dark bands and spots in a harlequin pattern. Antennae are notably long, banded in black and grey.

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Did You Know?

It is a significant pest of cacao plantations in Southeast Asia, with larvae tunneling through tree trunks causing branch dieback.

Yellow-shouldered Christmas Beetle

A medium-sized Christmas beetle recognisable by its yellowish-green pronotum contrasting with darker brown elytra. It is widespread in eastern Australian eucalyptus forests.

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Did You Know?

Like other Christmas beetles, the larvae spend up to two years underground before emerging as adults in summer.