Cardinal Click Beetle vs Common Mare'S Tail

Ampedus cardinalis compared with Hippuris vulgaris

Key Differences

Cardinal Click Beetle is Critically Endangered while Common Mare'S Tail is Vulnerable.

Taxonomic Classification

Rank	Cardinal Click Beetle	Common Mare'S Tail
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Arthropoda (Arthropods)	Magnoliophyta (Flowering Plants)
Class	Insecta (Insects)	Magnoliopsida (Dicots)
Order	Coleoptera (Beetles)	Lamiales (Lamiales)
Family	Elateridae	Plantaginaceae
Genus	Ampedus	Hippuris
Species	Ampedus cardinalis	Hippuris vulgaris

Conservation Status

Cardinal Click Beetle

CR — Critically Endangered

Common Mare'S Tail

VU — Vulnerable

Physical Characteristics

Attribute	Cardinal Click Beetle	Common Mare'S Tail
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Cardinal Click Beetle

Habitat

Inhabits temperate coniferous forests within the Palearctic biogeographic realm.

Range

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

Common Mare'S Tail

Habitat

Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

Range

Widely distributed across Asia (India), Europe (8 countries), and North America (Canada, United States). Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Cardinal Click Beetle

The Cardinal Click Beetle (Ampedus cardinalis) is a species in the genus Ampedus. It is currently classified as Critically Endangered (CR) on the IUCN Red List. Inhabits temperate coniferous forests within the Palearctic biogeographic realm.

Common Mare'S Tail

<em>Hippuris vulgaris</em>, the common mare's tail, is an aquatic vascular plant in the family Plantaginaceae, found across Asia (including India), Europe, and North America. It is classified as Vulnerable on the IUCN Red List, reflecting population declines associated with wetland drainage, water pollution, and habitat modification. This species typically grows in shallow freshwater habitats including lakes, ponds, rivers, and marshes, forming emergent stands with erect, unbranched stems bearing whorls of narrow leaves. Common mare's tail is often confused with the unrelated horsetail (Equisetum), but belongs to a different plant lineage. It provides important ecological services in aquatic ecosystems, offering shelter for aquatic invertebrates and small fish while helping to stabilize sediments along shorelines. The species is wind-pollinated and produces small, inconspicuous flowers. Its tolerance for cold temperatures enables it to persist in subarctic and alpine freshwater environments. Ongoing wetland loss across its range poses the primary conservation challenge for this species.