Elderberry Borer vs Japanese Hotaruko Firefly

Side-by-side species comparison

Attribute Elderberry Borer Japanese Hotaruko Firefly
Scientific Name Desmocerus palliatus Pyrocoelia fumosa
Order Coleoptera Coleoptera
Family Cerambycidae Lampyridae
Size 18-26 mm 12-20 mm
Habitat Rivers & Streams Mountains
Diet Root Feeders Omnivores
Regions Eastern North America from Quebec to Florida East Asia, Japan
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.

Japanese Hotaruko Firefly

A large terrestrial firefly with a dark brown body and bright reddish pronotum. The wingless, larviform females produce a bright sustained glow from the ground to attract flying males.

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Did You Know?

The Japanese name 'hotaruko' distinguishes these terrestrial glowworm-type fireflies from the aquatic 'hotaru' species.