Large False Serotine vs Knautien-Sandbiene

Hesperoptenus tomesi compared with Andrena hattorfiana

Key Differences

• Large False Serotine is Vulnerable while Knautien-Sandbiene is Critically Endangered.

Taxonomic Classification

Rank	Large False Serotine	Knautien-Sandbiene
Kingdom same	Animalia (Tier)	Animalia (Tier)
Phylum	Chordata (Chordatiere)	Arthropoda (Gliederfüßer)
Class	Mammalia (Säugetiere)	Insecta (Insekten)
Order	Chiroptera (Fledertiere)	Hymenoptera (Hautflügler)
Family	Vespertilionidae	Andrenidae
Genus	Hesperoptenus	Andrena
Species	Hesperoptenus tomesi	Andrena hattorfiana

Evolutionary Relationship

Large False Serotine and Knautien-Sandbiene share a common ancestor at the Kingdom level: Animalia. (Tier)

Conservation Status

Large False Serotine

VU — Vulnerable

Knautien-Sandbiene

CR — Critically Endangered

Physical Characteristics

Attribute	Large False Serotine	Knautien-Sandbiene
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Large False Serotine

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Knautien-Sandbiene

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

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