Anthracite Bee-fly vs Rootless Duckweed

Anthrax anthrax compared with Wolffia arrhiza

Key Differences

• Anthracite Bee-fly is Least Concern while Rootless Duckweed is Endangered.

Taxonomic Classification

Rank	Anthracite Bee-fly	Rootless Duckweed
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Arthropoda (Arthropods)	Magnoliophyta (Flowering Plants)
Class	Insecta (Insects)	Liliopsida (Monocots)
Order	Diptera (Diptera)	Alismatales (Alismatales)
Family	Bombyliidae	Araceae
Genus	Anthrax	Wolffia
Species	Anthrax anthrax	Wolffia arrhiza

Conservation Status

Anthracite Bee-fly

LC — Least Concern

Rootless Duckweed

EN — Endangered

Physical Characteristics

Attribute	Anthracite Bee-fly	Rootless Duckweed
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Anthracite Bee-fly

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

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

Rootless Duckweed

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, temperate broadleaf and mixed forests, and temperate coniferous forests, among 4 distinct biome types spanning the Indomalayan and Oceanian and Palearctic realms. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Asia (Japan), Europe (10 countries), North America (Canada), and South America (Brazil). Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Anthracite Bee-fly

The Anthracite Bee-fly (Anthrax anthrax) is a species in the genus Anthrax. It is currently classified as Least Concern on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats.

Shared Countries

Both species can be found in 4 countries:

🇧🇪 Belgium 🇳🇴 Norway 🇵🇹 Portugal 🇸🇪 Sweden