Elderberry Borer vs Black-shouldered Spinyleg

Side-by-side species comparison

Attribute Elderberry Borer Black-shouldered Spinyleg
Scientific Name Desmocerus palliatus Dromogomphus spinosus
Order Coleoptera Odonata
Family Cerambycidae Gomphidae
Size 18-26 mm 60-70 mm
Habitat Rivers & Streams Rivers & Streams
Diet Root Feeders Omnivores
Regions Eastern North America from Quebec to Florida North America
Conservation Least Concern Least Concern

Elderberry Borer

A striking longhorn beetle with cobalt blue wing covers and a bright yellow-orange base. Its larvae develop inside the stems and roots of living elderberry shrubs.

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Did You Know?

Its vivid blue and yellow coloring is thought to mimic toxic net-winged beetles for protection from predators.

Black-shouldered Spinyleg

A large, elegant clubtail with distinctive spiny hind legs and black shoulder stripes. It perches conspicuously on rocks and logs along streams.

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Did You Know?

The spiny projections on its hind legs form a basket used to scoop prey out of the air.