Common harp ground beetle vs Polynesian Tree Snail

Amara communis compared with Partula dolichostoma

Key Differences

• Common harp ground beetle is Least Concern while Polynesian Tree Snail is Extinct.

Taxonomic Classification

Rank	Common harp ground beetle	Polynesian Tree Snail
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Mollusca (Mollusks)
Class	Insecta (Insects)	Gastropoda (Gastropoda)
Order	Coleoptera (Beetles)	Stylommatophora (Stylommatophora)
Family	Carabidae	Partulidae
Genus	Amara	Partula
Species	Amara communis	Partula dolichostoma

Evolutionary Relationship

Common harp ground beetle and Polynesian Tree Snail share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Common harp ground beetle

LC — Least Concern

Polynesian Tree Snail

EX — Extinct

Physical Characteristics

Attribute	Common harp ground beetle	Polynesian Tree Snail
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).

Polynesian Tree Snail

Habitat

Typically found in terrestrial and aquatic habitats including forests and freshwater.

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.