Caucasian Alder vs Orange-legged Robberfly

Alnus subcordata compared with Dioctria oelandica

Key Differences

• Caucasian Alder is Least Concern while Orange-legged Robberfly is Near Threatened.

Taxonomic Classification

Rank	Caucasian Alder	Orange-legged Robberfly
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Magnoliophyta (Flowering Plants)	Arthropoda (Arthropods)
Class	Magnoliopsida (Dicots)	Insecta (Insects)
Order	Fagales (Beeches & Oaks)	Diptera (Diptera)
Family	Betulaceae	Asilidae
Genus	Alnus	Dioctria
Species	Alnus subcordata	Dioctria oelandica

Conservation Status

Caucasian Alder

LC — Least Concern

Orange-legged Robberfly

NT — Near Threatened

Physical Characteristics

Attribute	Caucasian Alder	Orange-legged Robberfly
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.

Orange-legged Robberfly

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, and Sweden. 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.