Common harp ground beetle vs River Thread-moss

Amara communis compared with Bryum riparium

Key Differences

• Common harp ground beetle is Least Concern while River Thread-moss is Vulnerable.

Taxonomic Classification

Rank	Common harp ground beetle	River Thread-moss
Kingdom	Animalia (สัตว์)	Plantae (พืช)
Phylum	Arthropoda (สัตว์ขาปล้อง)	Bryophyta
Class	Insecta (แมลง)	Bryopsida (Bryopsida)
Order	Coleoptera (อันดับด้วง)	Bryales (Bryales)
Family	Carabidae	Bryaceae
Genus	Amara	Bryum
Species	Amara communis	Bryum riparium

Conservation Status

Common harp ground beetle

LC — Least Concern

River Thread-moss

VU — Vulnerable

Physical Characteristics

Attribute	Common harp ground beetle	River Thread-moss
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Common harp ground beetle

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found across Europe (5 countries) and North America (Canada, United States).

River Thread-moss

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Norway and Sweden. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Common harp ground beetle

The common harp ground beetle, <em>Amara communis</em>, is an insect belonging to the order Coleoptera, family Carabidae, the ground beetles. This species is distributed across Europe and North America, indicating a wide Holarctic range. Ground beetles of the genus Amara are typically found in a variety of terrestrial habitats including grasslands, agricultural fields, woodland margins, and disturbed areas. Members of this genus are generally omnivorous or seed-feeding, and some are known to consume weed seeds, giving them potential ecological significance in agroecosystems. <em>Amara communis</em> is assessed as Least Concern on the IUCN Red List, reflecting stable populations across its range. No dietary information has been provided specifically for this species in current records. Biological traits of this species remain poorly documented in the scientific literature.

Shared Countries

Both species can be found in 2 countries:

🇳🇴 Norway 🇸🇪 Sweden