Alder leaf beetle vs Spear-Leaved Willowherb

Agelastica alni compared with Epilobium lanceolatum

Key Differences

• Alder leaf beetle is Least Concern while Spear-Leaved Willowherb is Near Threatened.

Taxonomic Classification

Rank	Alder leaf beetle	Spear-Leaved Willowherb
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Arthropoda (Arthropods)	Magnoliophyta (Flowering Plants)
Class	Insecta (Insects)	Magnoliopsida (Dicots)
Order	Coleoptera (Beetles)	Myrtales (Myrtales)
Family	Chrysomelidae	Onagraceae
Genus	Agelastica	Epilobium
Species	Agelastica alni	Epilobium lanceolatum

Conservation Status

Alder leaf beetle

LC — Least Concern

Spear-Leaved Willowherb

NT — Near Threatened

Physical Characteristics

Attribute	Alder leaf beetle	Spear-Leaved Willowherb
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.

Spear-Leaved Willowherb

Habitat

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

Range

Distributed across Belgium, 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.

Shared Countries

Both species can be found in 2 countries:

🇧🇪 Belgium 🇳🇴 Norway