Common Sun Beetle vs Predacious diving beetle

Amara aenea compared with Hydroporus guernei

Key Differences

• Common Sun Beetle is Least Concern while Predacious diving beetle is Endangered.

Taxonomic Classification

Rank	Common Sun Beetle	Predacious diving beetle
Kingdom same	Animalia (động vật)	Animalia (động vật)
Phylum same	Arthropoda (động vật Chân khớp)	Arthropoda (động vật Chân khớp)
Class same	Insecta (côn trùng)	Insecta (côn trùng)
Order same	Coleoptera (Bọ cánh cứng)	Coleoptera (Bọ cánh cứng)
Family	Carabidae	Dytiscidae
Genus	Amara	Hydroporus
Species	Amara aenea	Hydroporus guernei

Evolutionary Relationship

Common Sun Beetle and Predacious diving beetle share a common ancestor at the Order level: Coleoptera. (Bọ cánh cứng)

Conservation Status

Common Sun Beetle

LC — Least Concern

Predacious diving beetle

EN — Endangered

Physical Characteristics

Attribute	Common Sun Beetle	Predacious diving 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).

Predacious diving beetle

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found in Portugal. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

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 1 countries:

🇵🇹 Portugal