Cardinal Click Beetle vs Duckweed

Ampedus cardinalis compared with Lemna perpusilla

Key Differences

• Cardinal Click Beetle is Critically Endangered while Duckweed is Least Concern.

Taxonomic Classification

Rank	Cardinal Click Beetle	Duckweed
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Arthropoda (Arthropods)	Magnoliophyta (Flowering Plants)
Class	Insecta (Insects)	Liliopsida (Monocots)
Order	Coleoptera (Beetles)	Alismatales (Alismatales)
Family	Elateridae	Araceae
Genus	Ampedus	Lemna
Species	Ampedus cardinalis	Lemna perpusilla

Conservation Status

Cardinal Click Beetle

CR — Critically Endangered

Duckweed

LC — Least Concern

Physical Characteristics

Attribute	Cardinal Click Beetle	Duckweed
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.

Duckweed

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, deserts and xeric shrublands, and tropical and subtropical dry broadleaf forests, among 10 distinct biome types. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Africa (7 countries), Asia (7 countries), Europe (4 countries), North America (5 countries), Oceania and the Pacific (5 countries), and South America (5 countries).

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.