Willoughby's Leafcutter Bee vs Thistle Gall Wasp

Side-by-side species comparison

Attribute Willoughby's Leafcutter Bee Thistle Gall Wasp
Scientific Name Megachile willughbiella Isocolus scabiosae
Order Hymenoptera Hymenoptera
Family Megachilidae Cynipidae
Size 12-16 mm 1.5-2.5 mm
Habitat Woodlands Meadows
Diet Nectar Feeders Gall Makers
Regions Europe, Central Asia Europe, Western Asia
Conservation Least Concern Least Concern

Willoughby's Leafcutter Bee

A large, furry leafcutter bee common across Europe that nests in a variety of above-ground cavities. It is named after the 17th-century English naturalist Francis Willughby.

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Did You Know?

Females have been recorded cutting leaf pieces from over 20 different plant species to construct a single nest.

Thistle Gall Wasp

A minute gall-inducing wasp that forms swellings on knapweed flower heads. It has been studied as a potential biocontrol agent for invasive knapweeds.

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Did You Know?

A single flower head can contain dozens of tiny gall chambers, each housing one larva.