Alder leaf beetle vs forest caterpillar hunter

Agelastica alni compared with Calosoma sycophanta

Key Differences

Alder leaf beetle is Least Concern while forest caterpillar hunter is Critically Endangered.

Taxonomic Classification

Rank	Alder leaf beetle	forest caterpillar hunter
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Arthropoda (Arthropods)	Arthropoda (Arthropods)
Class same	Insecta (Insects)	Insecta (Insects)
Order same	Coleoptera (Beetles)	Coleoptera (Beetles)
Family	Chrysomelidae	Carabidae
Genus	Agelastica	Calosoma
Species	Agelastica alni	Calosoma sycophanta

Evolutionary Relationship

Alder leaf beetle and forest caterpillar hunter share a common ancestor at the Order level: Coleoptera. (Beetles)

View Order: Coleoptera

Conservation Status

Alder leaf beetle

LC — Least Concern

forest caterpillar hunter

CR — Critically Endangered

Physical Characteristics

Attribute	Alder leaf beetle	forest caterpillar hunter
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.

forest caterpillar hunter

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, temperate coniferous forests, and temperate grasslands and steppes within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Found across Europe (5 countries) and North America (United States). Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

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.