Spiny Oakworm Moth vs Tanner Beetle

Side-by-side species comparison

Attribute Spiny Oakworm Moth Tanner Beetle
Scientific Name Anisota stigma Prionus coriarius
Order Lepidoptera Coleoptera
Family Saturniidae Cerambycidae
Size 45-65 mm 18-45 mm
Habitat Woodlands Woodlands
Diet Omnivores Root Feeders
Regions Eastern North America Western Europe, Central Europe, Southern Europe
Conservation Least Concern Least Concern

Spiny Oakworm Moth

A medium-sized saturniid with rich orange-brown wings bearing a small white discal spot. Males are darker and smaller than females, with more feathery antennae.

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Did You Know?

The spiny oakworm caterpillar is covered in sharp branching spines that can cause a mild irritation to the skin when handled carelessly.

Tanner Beetle

A large, robust, dark brown longhorn beetle that flies noisily at dusk. Its powerful larvae bore into the roots of deciduous trees for up to four years.

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Did You Know?

Males produce a squeaking sound by rubbing their thorax against their head when handled.