Alder leaf beetle vs Narrowleaf hawksbeard

Agelastica alni compared with Crepis tectorum

Key Differences

• Alder leaf beetle is Least Concern while Narrowleaf hawksbeard is Near Threatened.

Taxonomic Classification

Rank	Alder leaf beetle	Narrowleaf hawksbeard
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Arthropoda (Arthropods)	Magnoliophyta (Flowering Plants)
Class	Insecta (Insects)	Magnoliopsida (Dicots)
Order	Coleoptera (Beetles)	Asterales (Daisies & Sunflowers)
Family	Chrysomelidae	Asteraceae (Daisy Family)
Genus	Agelastica	Crepis
Species	Agelastica alni	Crepis tectorum

Conservation Status

Alder leaf beetle

LC — Least Concern

Narrowleaf hawksbeard

NT — Near Threatened

Physical Characteristics

Attribute	Alder leaf beetle	Narrowleaf hawksbeard
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.

Narrowleaf hawksbeard

Habitat

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

Range

Widely distributed across Asia (Japan), Europe (11 countries), and North America (Canada, United States). 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 5 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden 🇺🇸 United States