Lesser Bulb Fly vs Lesser Noctule

Eumerus narcissi compared with Nyctalus leisleri

Key Differences

• Lesser Bulb Fly is Data Deficient while Lesser Noctule is Endangered.

Taxonomic Classification

Rank	Lesser Bulb Fly	Lesser Noctule
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Chordata (Chordates)
Class	Insecta (Insects)	Mammalia (Mammals)
Order	Diptera (Diptera)	Chiroptera (Bats)
Family	Syrphidae	Vespertilionidae
Genus	Eumerus	Nyctalus
Species	Eumerus narcissi	Nyctalus leisleri

Evolutionary Relationship

Lesser Bulb Fly and Lesser Noctule share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Lesser Bulb Fly

DD — Data Deficient

Lesser Noctule

EN — Endangered

Physical Characteristics

Attribute	Lesser Bulb Fly	Lesser Noctule
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Lesser Bulb Fly

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found in United States.

Lesser Noctule

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

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