Clover case-bearer vs Foca Pia

Coleophora alcyonipennella compared with Pagophilus groenlandicus

Key Differences

• Clover case-bearer is Least Concern while Foca Pia is Not Evaluated.

Taxonomic Classification

Rank	Clover case-bearer	Foca Pia
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Chordata (Chordates)
Class	Insecta (Insects)	Mammalia (Mammals)
Order	Lepidoptera (Butterflies & Moths)	Pinnipedia (Seals & Sea Lions)
Family	Coleophoridae	Phocidae (True Seals)
Genus	Coleophora	Pagophilus
Species	Coleophora alcyonipennella	Pagophilus groenlandicus

Evolutionary Relationship

Clover case-bearer and Foca Pia share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Clover case-bearer

LC — Least Concern

Foca Pia

NE — Not Evaluated

Physical Characteristics

Attribute	Clover case-bearer	Foca Pia
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Clover case-bearer

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, and Sweden.

Foca Pia

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Denmark, Norway, Portugal, and Sweden.

Clover case-bearer

The clover case-bearer (Coleophora alcyonipennella) is a small moth in the family Coleophoridae, order Lepidoptera. True to the family name, the larvae construct portable cases from plant material or silk and plant fragments, dragging these cases as they feed, a unique behavioral adaptation that provides both protection and concealment. C. alcyonipennella is a specialist herbivore of leguminous plants, with larvae feeding primarily on clover species (Trifolium) and related plants in the family Fabaceae. Larval feeding can cause characteristic window-feeding damage visible on leaves, and heavily infested plants may show significant defoliation. The adults are narrow-winged moths with wing markings typical of the coleophorid family, and like most coleophorids, they are small and inconspicuous. The species is distributed across temperate Europe, with documented occurrences in Belgium, Denmark, Norway, and Sweden, inhabiting diverse grassland, meadow, and agricultural habitats where its host plants are found. It is associated with both natural and semi-natural grasslands as well as agricultural fields and roadside verges. C. alcyonipennella is classified as Least Concern on the IUCN Red List, with populations considered stable across its European range. The species has one generation per year in most of its range, with larvae overwintering in their portable cases before completing development in spring on expanding host plant foliage. Adults fly in summer.

Shared Countries

Both species can be found in 3 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden