Fen Cosmet vs Marsh Cosmet

Cosmopterix lienigiella compared with Cosmopterix orichalcea

Key Differences

• Fen Cosmet is Vulnerable while Marsh Cosmet is Least Concern.

Taxonomic Classification

Rank	Fen Cosmet	Marsh Cosmet
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Arthropoda (Arthropods)	Arthropoda (Arthropods)
Class same	Insecta (Insects)	Insecta (Insects)
Order same	Lepidoptera (Butterflies & Moths)	Lepidoptera (Butterflies & Moths)
Family same	Cosmopterigidae	Cosmopterigidae
Genus same	Cosmopterix	Cosmopterix
Species	Cosmopterix lienigiella	Cosmopterix orichalcea

Evolutionary Relationship

Fen Cosmet and Marsh Cosmet share a common ancestor at the Genus level: Cosmopterix.

Conservation Status

Fen Cosmet

VU — Vulnerable

Marsh Cosmet

LC — Least Concern

Physical Characteristics

Attribute	Fen Cosmet	Marsh Cosmet
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Fen Cosmet

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

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

Marsh Cosmet

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, and Sweden.

Shared Countries

Both species can be found in 3 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇸🇪 Sweden