Lesser Bulb Fly vs Noctule

Eumerus narcissi compared with Nyctalus noctula

Key Differences

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

Taxonomic Classification

Rank	Lesser Bulb Fly	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 noctula

Evolutionary Relationship

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

Conservation Status

Lesser Bulb Fly

DD — Data Deficient

Noctule

VU — Vulnerable

Physical Characteristics

Attribute	Lesser Bulb Fly	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.

Noctule

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found across Europe (6 countries). Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Noctule

Noctule (Nyctalus noctula) is classified as Vulnerable (VU) on the IUCN Red List. Facing a high risk of endangerment in the wild, with declining populations and increasing habitat pressure.