Harmless Serotine vs Red-tailed Mason Bee

Eptesicus innoxius compared with Osmia bicolor

Key Differences

• Harmless Serotine is Near Threatened while Red-tailed Mason Bee is Least Concern.

Taxonomic Classification

Rank	Harmless Serotine	Red-tailed Mason Bee
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Mammalia (Mammals)	Insecta (Insects)
Order	Chiroptera (Bats)	Hymenoptera (Ants, Bees & Wasps)
Family	Vespertilionidae	Megachilidae
Genus	Eptesicus	Osmia
Species	Eptesicus innoxius	Osmia bicolor

Evolutionary Relationship

Harmless Serotine and Red-tailed Mason Bee share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Harmless Serotine

NT — Near Threatened

Red-tailed Mason Bee

LC — Least Concern

Physical Characteristics

Attribute	Harmless Serotine	Red-tailed Mason Bee
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Harmless Serotine

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Ecuador. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Red-tailed Mason Bee

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

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