blunt tellin vs Clouded Cosmet

Arcopagia crassa compared with Mompha langiella

Key Differences

• blunt tellin is Vulnerable while Clouded Cosmet is Least Concern.

Taxonomic Classification

Rank	blunt tellin	Clouded Cosmet
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Arthropoda (Arthropods)
Class	Bivalvia (Bivalvia)	Insecta (Insects)
Order	Cardiida (Cardiida)	Lepidoptera (Butterflies & Moths)
Family	Tellinidae	Momphidae
Genus	Arcopagia	Mompha
Species	Arcopagia crassa	Mompha langiella

Evolutionary Relationship

blunt tellin and Clouded Cosmet share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

blunt tellin

VU — Vulnerable

Clouded Cosmet

LC — Least Concern

Physical Characteristics

Attribute	blunt tellin	Clouded Cosmet
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

blunt tellin

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

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

Clouded Cosmet

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, and Sweden.

blunt tellin

The Blunt tellin (Arcopagia crassa) is a species in the genus Arcopagia. It is currently classified as Vulnerable on the IUCN Red List. Native to Europe, inhabiting ecosystems characteristic of the region.

Clouded Cosmet

Clouded cosmet refers to a microlepidopteran moth in the family Cosmopterigidae or related families, likely in the genus Mompha or Cosmopterix, characterized by wings bearing subtle clouded or mottled patterns that distinguish it from more distinctly marked relatives. Cosmet moths are small, delicate insects with narrow, lanceolate wings bearing metallic highlights and fine cross-lines. They inhabit woodland edges, hedgerows, fens, and riverbanks where their larval foodplants occur. Many cosmet moths are highly host-specific, with larvae mining leaves or boring in stems of specific plant genera such as Epilobium (willowherbs) for Mompha species or various herbaceous plants for Cosmopterix. Adults fly from late spring through summer in one or two generations depending on latitude, resting on foliage by day with wings folded roof-like over the body. The intricate wing patterns and metallic scale patches of cosmet moths make them objects of particular interest among lepidopterists, though their small size demands close examination under magnification for confident identification. Many species are locally distributed and associated with specific habitat types.

Shared Countries

Both species can be found in 4 countries:

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