Alder leaf beetle vs Spearhead Bluet

Agelastica alni compared with Coenagrion hastulatum

Key Differences

• Alder leaf beetle is Least Concern while Spearhead Bluet is Critically Endangered.

Taxonomic Classification

Rank	Alder leaf beetle	Spearhead Bluet
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Arthropoda (Arthropods)	Arthropoda (Arthropods)
Class same	Insecta (Insects)	Insecta (Insects)
Order	Coleoptera (Beetles)	Odonata (Odonata)
Family	Chrysomelidae	Coenagrionidae
Genus	Agelastica	Coenagrion
Species	Agelastica alni	Coenagrion hastulatum

Evolutionary Relationship

Alder leaf beetle and Spearhead Bluet share a common ancestor at the Class level: Insecta. (Insects)

Conservation Status

Alder leaf beetle

LC — Least Concern

Spearhead Bluet

CR — Critically Endangered

Physical Characteristics

Attribute	Alder leaf beetle	Spearhead Bluet
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.

Spearhead Bluet

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

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

Shared Countries

Both species can be found in 4 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden