Gold-fringed Mason Bee vs Banded Chalcid Wasp

Side-by-side species comparison

Attribute Gold-fringed Mason Bee Banded Chalcid Wasp
Scientific Name Osmia aurulenta Chalcis sispes
Order Hymenoptera Hymenoptera
Family Megachilidae Chalcididae
Size 9-12 mm 5-8 mm
Habitat Beaches & Coastal Hedgerows
Diet Nectar Feeders Parasitoids
Regions Western Europe, Central Europe, Southern Europe Southern Europe, North Africa
Conservation Least Concern Least Concern

Gold-fringed Mason Bee

A distinctive solitary bee that nests inside empty snail shells on warm hillsides. Females cover the shell with grass and debris for camouflage after laying eggs.

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Did You Know?

It exclusively nests in snail shells, carefully selecting ones of the right size for its brood.

Banded Chalcid Wasp

A robust chalcid wasp with enlarged hind femora bearing tooth-like projections. It parasitizes the pupae of various flies and lepidopterans.

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Did You Know?

Its massively swollen hind legs, armed with sharp teeth, help it grip surfaces when drilling into host pupae.