Bitter Scalewort vs Chestnut Coloured Click Beetle

Porella arboris-vitae compared with Anostirus castaneus

Key Differences

• Bitter Scalewort is Vulnerable while Chestnut Coloured Click Beetle is Least Concern.

Taxonomic Classification

Rank	Bitter Scalewort	Chestnut Coloured Click Beetle
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Marchantiophyta (liverwort)	Arthropoda (Arthropods)
Class	Jungermanniopsida (Jungermanniopsida)	Insecta (Insects)
Order	Porellales (Porellales)	Coleoptera (Beetles)
Family	Porellaceae	Elateridae
Genus	Porella	Anostirus
Species	Porella arboris-vitae	Anostirus castaneus

Conservation Status

Bitter Scalewort

VU — Vulnerable

Chestnut Coloured Click Beetle

LC — Least Concern

Physical Characteristics

Attribute	Bitter Scalewort	Chestnut Coloured Click Beetle
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.

Chestnut Coloured Click Beetle

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

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

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.

Chestnut Coloured Click Beetle

The Chestnut Coloured Click Beetle (Anostirus castaneus) is a species in the genus Anostirus. 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 🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden