Golden Tortoise Beetle vs Elm Bark Beetle

Side-by-side species comparison

Attribute Golden Tortoise Beetle Elm Bark Beetle
Scientific Name Charidotella sexpunctata Scolytus multistriatus
Order Coleoptera Coleoptera
Family Chrysomelidae Curculionidae (Scolytinae)
Size 5-7 mm 2–3.5 mm
Habitat Farmland Woodlands
Diet Herbivores Wood Feeders
Regions North America Europe, North America
Conservation Least Concern Not Evaluated

Golden Tortoise Beetle

Looks like a tiny golden jewel. Can change color from gold to reddish-brown by controlling moisture in microscopic layers of its shell. Color changes with stress or mating.

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Did You Know?

The golden tortoise beetle can change color from brilliant gold to dull red in minutes by controlling fluid in nanoscale layers of its shell — like a living mood ring.

Elm Bark Beetle

A small bark beetle that is the primary vector of Dutch elm disease in North America. It creates distinctive brood galleries under elm bark.

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Did You Know?

It spreads the fungus Ophiostoma novo-ulmi, which has wiped out millions of elm trees worldwide.