Caucasian Alder vs Hover fly

Alnus subcordata compared with Eristalis rupium

Key Differences

• Caucasian Alder is Least Concern while Hover fly is Near Threatened.

Taxonomic Classification

Rank	Caucasian Alder	Hover fly
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Magnoliophyta (Flowering Plants)	Arthropoda (Arthropods)
Class	Magnoliopsida (Dicots)	Insecta (Insects)
Order	Fagales (Beeches & Oaks)	Diptera (Diptera)
Family	Betulaceae	Syrphidae
Genus	Alnus	Eristalis
Species	Alnus subcordata	Eristalis rupium

Conservation Status

Caucasian Alder

LC — Least Concern

Hover fly

NT — Near Threatened

Physical Characteristics

Attribute	Caucasian Alder	Hover fly
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Caucasian Alder

Habitat

Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

Hover fly

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, Sweden, and United States. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Caucasian Alder

The Caucasian Alder (Alnus subcordata) is a species in the genus Alnus. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial habitats from tropical forests to temperate regions.