Blue Orchard Bee vs Giant Resin Bee

Side-by-side species comparison

Attribute Blue Orchard Bee Giant Resin Bee
Scientific Name Osmia lignaria Megachile sculpturalis
Order Hymenoptera Hymenoptera
Family Megachilidae Megachilidae
Size 10-14 mm 14-24 mm
Habitat Orchards Woodlands
Diet Nectar Feeders Nectar Feeders
Regions North America East Asia, North America, Europe
Conservation Least Concern Least Concern

Blue Orchard Bee

A metallic dark blue solitary bee that nests in pre-existing holes in wood. It is an exceptionally efficient pollinator of fruit trees, significantly outperforming honey bees per individual.

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Did You Know?

A single blue orchard bee can pollinate as effectively as 60 to 80 honey bees, making them increasingly important for commercial fruit production.

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.