Blue Mason Bee vs Oak Pinhole Borer

Side-by-side species comparison

Attribute Blue Mason Bee Oak Pinhole Borer
Scientific Name Osmia caerulescens Platypus cylindrus
Order Hymenoptera Coleoptera
Family Megachilidae Curculionidae
Size 7-10 mm 4-6 mm
Habitat Gardens Gardens
Diet Nectar Feeders Omnivores
Regions Western Europe, Central Europe, Southern Europe Europe
Conservation Least Concern Least Concern

Blue Mason Bee

A small, metallic blue-black solitary bee that nests in pre-existing cavities in wood and walls. It is common in gardens and readily uses artificial bee hotels.

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Did You Know?

Females seal each egg cell with chewed leaf material mixed with mud.

Oak Pinhole Borer

A tiny ambrosia beetle that bores into oak trees and cultivates fungal gardens inside its tunnels. The only European species of its subfamily. Males guard the tunnel entrance.

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Did You Know?

One of the few farming insects in Europe, cultivating fungal crops inside tunnels bored into oak wood.