Ash Dieback vs Lesser Noctule

Hymenoscyphus fraxineus compared with Nyctalus leisleri

Key Differences

• Ash Dieback is Not Evaluated while Lesser Noctule is Endangered.

Taxonomic Classification

Rank	Ash Dieback	Lesser Noctule
Kingdom	Fungi (Fungi)	Animalia (hewan)
Phylum	Ascomycota (Sac Fungi)	Chordata (Chordates)
Class	Leotiomycetes (Leotiomycetes)	Mammalia (mamalia)
Order	Helotiales (Helotiales)	Chiroptera (Kelelawar)
Family	Helotiaceae	Vespertilionidae
Genus	Hymenoscyphus	Nyctalus
Species	Hymenoscyphus fraxineus	Nyctalus leisleri

Conservation Status

Ash Dieback

NE — Not Evaluated

Lesser Noctule

EN — Endangered

Physical Characteristics

Attribute	Ash Dieback	Lesser Noctule
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Ash Dieback

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Found across Europe (8 countries).

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.

Ash Dieback

Ash dieback (Hymenoscyphus fraxineus) is a species in the genus Hymenoscyphus. Native to Europe, inhabiting ecosystems characteristic of the region.

Shared Countries

Both species can be found in 3 countries:

🇩🇰 Denmark 🇱🇺 Luxembourg 🇸🇪 Sweden