Azure Bluet vs Common Sun Beetle

Coenagrion puella compared with Amara aenea

Taxonomic Classification

Rank	Azure Bluet	Common Sun Beetle
Kingdom same	Animalia (動物)	Animalia (動物)
Phylum same	Arthropoda (節足動物)	Arthropoda (節足動物)
Class same	Insecta (昆虫)	Insecta (昆虫)
Order	Odonata (蜻蛉目)	Coleoptera (コウチュウ目)
Family	Coenagrionidae	Carabidae
Genus	Coenagrion	Amara
Species	Coenagrion puella	Amara aenea

Evolutionary Relationship

Azure Bluet and Common Sun Beetle share a common ancestor at the Class level: Insecta. (昆虫)

Conservation Status

Azure Bluet

LC — Least Concern

Common Sun Beetle

LC — Least Concern

Physical Characteristics

Attribute	Azure Bluet	Common Sun Beetle
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Azure Bluet

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

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

Common Sun Beetle

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found across Europe (7 countries) and North America (Canada, United States).

Azure Bluet

アジュールブルーイット（Coenagrion puella）はヨーロッパの止水・緩流水域に広く分布する小型のイトトンボ科のトンボで、雄の鮮やかな青と黒の模様が美しい。IUCNレッドリストでは軽度懸念（LC）に分類されており、池沼・運河・緩やかな小川の水草周りで交尾・産卵する。幼虫は水中で生育し、成虫は水辺の草地・葦原で昆虫を捕食する、淡水湿地生態系の重要な構成要素である。

Common Sun Beetle

<em>Amara aenea</em>, the common sun beetle, is a carabid ground beetle in the family Carabidae, order Coleoptera. It is broadly distributed across Europe and has been introduced to North America, typically inhabiting open, sunny habitats such as arable fields, grasslands, sandy heathlands, and disturbed ground with sparse vegetation. Adults are omnivorous, feeding on seeds, small invertebrates, and plant material, and are considered important predators of weed seeds in agricultural systems. <em>Amara aenea</em> is surface-active during warm, dry conditions, typically exhibiting peak activity in late spring and summer. Like many carabid beetles, it is nocturnal and shelters under stones and debris during the day. Larvae develop in the soil, where they also feed on organic matter and small invertebrates. Biological traits including precise adult lifespan, body length measurements, and detailed prey preferences remain poorly documented at the species level. The species is assessed as Least Concern by the IUCN, reflecting its wide distribution, high adaptability to disturbed environments, and no significant known threats to global population status.

Shared Countries

Both species can be found in 4 countries:

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