Common Sun Beetle vs 星鴉

Amara aenea compared with Nucifraga caryocatactes

Key Differences

• Common Sun Beetle is Least Concern while 星鴉 is Not Evaluated.

Taxonomic Classification

Rank	Common Sun Beetle	星鴉
Kingdom same	Animalia (动物界)	Animalia (动物界)
Phylum	Arthropoda (节肢动物门)	Chordata (脊索动物门)
Class	Insecta (昆蟲綱)	Aves (鳥綱)
Order	Coleoptera (鞘翅目)	Passeriformes (雀形目)
Family	Carabidae	Corvidae (Crows & Ravens)
Genus	Amara	Nucifraga
Species	Amara aenea	Nucifraga caryocatactes

Evolutionary Relationship

Common Sun Beetle and 星鴉 share a common ancestor at the Kingdom level: Animalia. (动物界)

Conservation Status

Common Sun Beetle

LC — Least Concern

星鴉

NE — Not Evaluated

Physical Characteristics

Attribute	Common Sun Beetle	星鴉
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).

星鴉

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

Range

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

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