Brown Scalewort vs Common Sun Beetle

Radula aquilegia compared with Amara aenea

Key Differences

Brown Scalewort is Not Evaluated while Common Sun Beetle is Least Concern.

Taxonomic Classification

Rank	Brown Scalewort	Common Sun Beetle
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Marchantiophyta (liverwort)	Arthropoda (Arthropods)
Class	Jungermanniopsida (Jungermanniopsida)	Insecta (Insects)
Order	Porellales (Porellales)	Coleoptera (Beetles)
Family	Radulaceae	Carabidae
Genus	Radula	Amara
Species	Radula aquilegia	Amara aenea

Conservation Status

Brown Scalewort

NE — Not Evaluated

Common Sun Beetle

LC — Least Concern

Physical Characteristics

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

Habitat & Geographic Range

Brown Scalewort

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Norway, Portugal, 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).

Brown Scalewort

The Brown Scalewort (Radula aquilegia) is a species in the genus Radula. Native to Europe, inhabiting ecosystems characteristic of the region. Distributed across Norway, Portugal, and Sweden. As a member of the genus Radula, it shares characteristics with related species within this taxonomic group.

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.