Common Sun Beetle vs

Amara aenea compared with Orbilia comma

Key Differences

Common Sun Beetle is Least Concern while is Near Threatened.

Taxonomic Classification

Rank	Common Sun Beetle
Kingdom	Animalia (動物)	Fungi (菌界)
Phylum	Arthropoda (節足動物)	Ascomycota (子嚢菌門)
Class	Insecta (昆虫)	Orbiliomycetes (Orbiliomycetes)
Order	Coleoptera (コウチュウ目)	Orbiliales (Orbiliales)
Family	Carabidae	Orbiliaceae
Genus	Amara	Orbilia
Species	Amara aenea	Orbilia comma

Conservation Status

Common Sun Beetle

LC — Least Concern

NT — Near Threatened

Physical Characteristics

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

Habitat & Geographic Range

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).

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Denmark, Norway, and Sweden. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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.

Orbilia commaは湿潤な森林環境の腐木や植物残渣上に微小で半透明な淡黄色のカップ型子実体を形成する微小盤菌類です。森林床の有機物分解に関与する小型菌類属に属し、林業管理の変化と生息地喪失に敏感なため準絶滅危惧(NT)と評価されています。