Gold-fringed Mason Bee vs Red-tailed Mason Bee

Osmia aurulenta compared with Osmia bicolor

Key Differences

• Gold-fringed Mason Bee is Vulnerable while Red-tailed Mason Bee is Least Concern.

Taxonomic Classification

Rank	Gold-fringed Mason Bee	Red-tailed Mason Bee
Kingdom same	Animalia (Tier)	Animalia (Tier)
Phylum same	Arthropoda (Gliederfüßer)	Arthropoda (Gliederfüßer)
Class same	Insecta (Insekten)	Insecta (Insekten)
Order same	Hymenoptera (Hautflügler)	Hymenoptera (Hautflügler)
Family same	Megachilidae	Megachilidae
Genus same	Osmia	Osmia
Species	Osmia aurulenta	Osmia bicolor

Evolutionary Relationship

Gold-fringed Mason Bee and Red-tailed Mason Bee share a common ancestor at the Genus level: Osmia.

Conservation Status

Gold-fringed Mason Bee

VU — Vulnerable

Red-tailed Mason Bee

LC — Least Concern

Physical Characteristics

Attribute	Gold-fringed Mason Bee	Red-tailed Mason Bee
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Gold-fringed Mason Bee

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Luxembourg, Norway, and Sweden. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Red-tailed Mason Bee

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Luxembourg, Norway, and Sweden.

Shared Countries

Both species can be found in 5 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇱🇺 Luxembourg 🇳🇴 Norway 🇸🇪 Sweden