Black-Based Cluster Fly vs Blushing Rosette

Pollenia labialis compared with Abortiporus biennis

Key Differences

• Black-Based Cluster Fly is Least Concern while Blushing Rosette is Near Threatened.

Taxonomic Classification

Rank	Black-Based Cluster Fly	Blushing Rosette
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Arthropoda (Arthropods)	Basidiomycota (Club Fungi)
Class	Insecta (Insects)	Agaricomycetes (Mushrooms)
Order	Diptera (Diptera)	Polyporales (Polyporales)
Family	Polleniidae	Podoscyphaceae
Genus	Pollenia	Abortiporus
Species	Pollenia labialis	Abortiporus biennis

Conservation Status

Black-Based Cluster Fly

LC — Least Concern

Blushing Rosette

NT — Near Threatened

Physical Characteristics

Attribute	Black-Based Cluster Fly	Blushing Rosette
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Black-Based Cluster Fly

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Denmark, Norway, Sweden, and United States.

Blushing Rosette

Habitat

Typically found in forest floors, decomposing wood, and soil ecosystems.

Range

Widely distributed across Asia (Taiwan), Europe (5 countries), North America (United States), and South America (Brazil). Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Black-Based Cluster Fly

The Black-Based Cluster Fly (Pollenia labialis) 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.

Blushing Rosette

The Blushing Rosette (Abortiporus biennis) is a species in the genus Abortiporus. It is currently classified as Near Threatened on the IUCN Red List. Typically found in forest floors, decomposing wood, and soil ecosystems.

Shared Countries

Both species can be found in 4 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden 🇺🇸 United States