Chestnut Coloured Click Beetle vs

Anostirus castaneus compared with Mikrosyphar polysiphoniae

Taxonomic Classification

Rank	Chestnut Coloured Click Beetle
Kingdom	Animalia (Animals)	Chromista (Chromista)
Phylum	Arthropoda (Arthropods)	Ochrophyta (Ochrophyta)
Class	Insecta (Insects)	Phaeophyceae (Phaeophyceae)
Order	Coleoptera (Beetles)	Ectocarpales (Ectocarpales)
Family	Elateridae	Chordariaceae
Genus	Anostirus	Mikrosyphar
Species	Anostirus castaneus	Mikrosyphar polysiphoniae

Conservation Status

Chestnut Coloured Click Beetle

LC — Least Concern

LC — Least Concern

Physical Characteristics

Attribute	Chestnut Coloured Click Beetle
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Chestnut Coloured Click Beetle

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

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

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Denmark, Norway, and Sweden.

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.

Mikrosyphar polysiphoniae is a small, endophytic brown alga in the order Ectocarpales that parasitizes red algae in the genus Polysiphonia. It penetrates into the cortical tissue of its host, forming small pustules visible on the host thallus surface. Assessed as Least Concern, it is found in temperate coastal marine environments in the Northern Hemisphere.

Shared Countries

Both species can be found in 3 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden