Buff-tailed Mining Bee vs floating crystalwort

Andrena humilis compared with Riccia fluitans

Key Differences

• Buff-tailed Mining Bee is Extinct while floating crystalwort is Near Threatened.

Taxonomic Classification

Rank	Buff-tailed Mining Bee	floating crystalwort
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Arthropoda (Arthropods)	Marchantiophyta (liverwort)
Class	Insecta (Insects)	Marchantiopsida (Marchantiopsida)
Order	Hymenoptera (Ants, Bees & Wasps)	Marchantiales (Marchantiales)
Family	Andrenidae	Ricciaceae
Genus	Andrena	Riccia
Species	Andrena humilis	Riccia fluitans

Conservation Status

Buff-tailed Mining Bee

EX — Extinct

floating crystalwort

NT — Near Threatened

Physical Characteristics

Attribute	Buff-tailed Mining Bee	floating crystalwort
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Buff-tailed Mining Bee

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

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

floating crystalwort

Habitat

Native to Asia and Europe and North America, inhabiting ecosystems characteristic of the region.

Range

Widely distributed across Asia (Taiwan), Europe (7 countries), North America (United States), and South America (Chile). Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Buff-tailed Mining Bee

The Buff-Tailed Mining Bee (Andrena humilis) is a species in the genus Andrena. It is currently classified as Extinct on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats.

Shared Countries

Both species can be found in 5 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇱🇺 Luxembourg 🇳🇴 Norway 🇸🇪 Sweden