Common harp ground beetle vs marsh arrowgrass

Amara communis compared with Triglochin palustris

Taxonomic Classification

Rank	Common harp ground beetle	marsh arrowgrass
Kingdom	Animalia (動物)	Plantae (植物)
Phylum	Arthropoda (節足動物)	Magnoliophyta (被子植物門)
Class	Insecta (昆虫)	Liliopsida (単子葉植物綱)
Order	Coleoptera (コウチュウ目)	Alismatales (オモダカ目)
Family	Carabidae	Juncaginaceae
Genus	Amara	Triglochin
Species	Amara communis	Triglochin palustris

Conservation Status

Common harp ground beetle

LC — Least Concern

marsh arrowgrass

LC — Least Concern

Physical Characteristics

Attribute	Common harp ground beetle	marsh arrowgrass
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).

marsh arrowgrass

Habitat

Typically found in grasslands, wetlands, forests, and cultivated landscapes.

Range

Widely distributed across Asia (Taiwan), Europe (6 countries), and North America (Canada).

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.