Giant Resin Bee vs Bark Gnawing Beetle

Side-by-side species comparison

Attribute Giant Resin Bee Bark Gnawing Beetle
Scientific Name Megachile sculpturalis Trogossita japonica
Order Hymenoptera Coleoptera
Family Megachilidae Trogossitidae
Size 14-24 mm 12-18 mm
Habitat Woodlands Woodlands
Diet Nectar Feeders Predators
Regions East Asia, North America, Europe East Asia
Conservation Least Concern Not Evaluated

Giant Resin Bee

A large solitary bee originally from East Asia now invasive in North America and Europe. It uses tree resin and mud to seal its nesting cavities.

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Did You Know?

It was first detected in the US in 1994 and has spread rapidly across the eastern states.

Bark Gnawing Beetle

A predatory beetle found under bark where it hunts wood-boring larvae. Its flattened body is well suited to life in bark crevices.

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Did You Know?

It is considered a beneficial species because it preys on destructive bark beetles.