Common harp ground beetle vs Common oak case-bearer

Amara communis compared with Coleophora lutipennella

Taxonomic Classification

Rank	Common harp ground beetle	Common oak case-bearer
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Arthropoda (Arthropods)	Arthropoda (Arthropods)
Class same	Insecta (Insects)	Insecta (Insects)
Order	Coleoptera (Beetles)	Lepidoptera (Butterflies & Moths)
Family	Carabidae	Coleophoridae
Genus	Amara	Coleophora
Species	Amara communis	Coleophora lutipennella

Evolutionary Relationship

Common harp ground beetle and Common oak case-bearer share a common ancestor at the Class level: Insecta. (Insects)

Conservation Status

Common harp ground beetle

LC — Least Concern

Common oak case-bearer

LC — Least Concern

Physical Characteristics

Attribute	Common harp ground beetle	Common oak case-bearer
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).

Common oak case-bearer

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, and Sweden.

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.

Common oak case-bearer

<em>Coleophora lutipennella</em>, the common oak case-bearer, is a small moth in the family Coleophoridae. The larvae of this species construct characteristic portable cases from plant material and their own silk, from which they feed on the leaves of their host plant. <em>Coleophora lutipennella</em> is associated with oak trees (Quercus species), which serve as the primary larval host, and the moth typically inhabits deciduous woodland, forest edges, and hedgerows where oaks are present. Its geographic range spans temperate Europe, with documented occurrences in Belgium, Denmark, Norway, and Sweden. The species is currently assessed as Least Concern by the IUCN. Biological traits such as lifespan, body size, and diet remain poorly documented at a formal population level for this species, though larval feeding on oak foliage is well established. Adults are small and inconspicuous, typically flying in summer. <em>Coleophora lutipennella</em> is part of a diverse guild of Lepidoptera associated with European oak woodland ecosystems, and contributes to the invertebrate prey base for insectivorous birds and other woodland predators.

Shared Countries

Both species can be found in 4 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden