Chestnut Coloured Click Beetle vs Green Silver-Spangled Shark

Anostirus castaneus compared with Cucullia argentea

Key Differences

• Chestnut Coloured Click Beetle is Least Concern while Green Silver-Spangled Shark is Critically Endangered.

Taxonomic Classification

Rank	Chestnut Coloured Click Beetle	Green Silver-Spangled Shark
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Arthropoda (Arthropods)	Arthropoda (Arthropods)
Class same	Insecta (Insects)	Insecta (Insects)
Order	Coleoptera (Beetles)	Lepidoptera (Butterflies & Moths)
Family	Elateridae	Noctuidae
Genus	Anostirus	Cucullia
Species	Anostirus castaneus	Cucullia argentea

Evolutionary Relationship

Chestnut Coloured Click Beetle and Green Silver-Spangled Shark share a common ancestor at the Class level: Insecta. (Insects)

Conservation Status

Chestnut Coloured Click Beetle

LC — Least Concern

Green Silver-Spangled Shark

CR — Critically Endangered

Physical Characteristics

Attribute	Chestnut Coloured Click Beetle	Green Silver-Spangled Shark
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.

Green Silver-Spangled Shark

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, temperate coniferous forests, and temperate grasslands and steppes within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Distributed across Denmark, Norway, Sweden, and Ukraine. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

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 3 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden