Bitter Scalewort vs Clark'S Mining Bee

Porella arboris-vitae compared with Andrena clarkella

Key Differences

• Bitter Scalewort is Vulnerable while Clark'S Mining Bee is Least Concern.

Taxonomic Classification

Rank	Bitter Scalewort	Clark'S Mining Bee
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Marchantiophyta (liverwort)	Arthropoda (Arthropods)
Class	Jungermanniopsida (Jungermanniopsida)	Insecta (Insects)
Order	Porellales (Porellales)	Hymenoptera (Ants, Bees & Wasps)
Family	Porellaceae	Andrenidae
Genus	Porella	Andrena
Species	Porella arboris-vitae	Andrena clarkella

Conservation Status

Bitter Scalewort

VU — Vulnerable

Clark'S Mining Bee

LC — Least Concern

Physical Characteristics

Attribute	Bitter Scalewort	Clark'S Mining Bee
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Bitter Scalewort

Habitat

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

Range

Found across Asia (Taiwan) and Europe (5 countries). Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Clark'S Mining Bee

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

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

Bitter Scalewort

The Bitter Scalewort (Porella arboris-vitae) is a species in the genus Porella. It is currently classified as Vulnerable on the IUCN Red List. Native to Asia and Europe, inhabiting ecosystems characteristic of the region.

Clark'S Mining Bee

The Clark'S Mining Bee (Andrena clarkella) is a species in the genus Andrena. 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 5 countries:

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