Awkward Clusterfly vs Brook Alder

Pollenia rudis compared with Alnus maritima

Key Differences

• Awkward Clusterfly is Least Concern while Brook Alder is Endangered.

Taxonomic Classification

Rank	Awkward Clusterfly	Brook Alder
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Arthropoda (Arthropods)	Magnoliophyta (Flowering Plants)
Class	Insecta (Insects)	Magnoliopsida (Dicots)
Order	Diptera (Diptera)	Fagales (Beeches & Oaks)
Family	Polleniidae	Betulaceae
Genus	Pollenia	Alnus
Species	Pollenia rudis	Alnus maritima

Conservation Status

Awkward Clusterfly

LC — Least Concern

Brook Alder

EN — Endangered

Physical Characteristics

Attribute	Awkward Clusterfly	Brook Alder
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Awkward Clusterfly

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found across Europe (5 countries) and North America (United States).

Brook Alder

Habitat

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

Range

Distributed across Belgium, France, Netherlands, and United Kingdom. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Awkward Clusterfly

The Awkward Clusterfly (Pollenia rudis) is a species in the genus Pollenia. It is currently classified as Least Concern on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats.

Brook Alder

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