Alder leaf beetle vs Holt's Scalewort

Agelastica alni compared with Radula holtii

Key Differences

Alder leaf beetle is Least Concern while Holt's Scalewort is Near Threatened.

Taxonomic Classification

Rank	Alder leaf beetle	Holt's Scalewort
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Arthropoda (Arthropods)	Marchantiophyta (liverwort)
Class	Insecta (Insects)	Jungermanniopsida (Jungermanniopsida)
Order	Coleoptera (Beetles)	Porellales (Porellales)
Family	Chrysomelidae	Radulaceae
Genus	Agelastica	Radula
Species	Agelastica alni	Radula holtii

Conservation Status

Alder leaf beetle

LC — Least Concern

Holt's Scalewort

NT — Near Threatened

Physical Characteristics

Attribute	Alder leaf beetle	Holt's Scalewort
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Alder leaf beetle

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, Sweden, and United States.

Holt's Scalewort

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Norway and Portugal. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Alder leaf beetle

The Alder leaf beetle (Agelastica alni) is a species in the genus Agelastica. It is currently classified as Least Concern on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats.