Barred Elm Pigmy vs White-Barred Alder Pigmy

Stigmella ulmivora compared with Stigmella glutinosae

Key Differences

• Barred Elm Pigmy is Endangered while White-Barred Alder Pigmy is Least Concern.

Taxonomic Classification

Rank	Barred Elm Pigmy	White-Barred Alder Pigmy
Kingdom same	Animalia (animal)	Animalia (animal)
Phylum same	Arthropoda (arthropodes)	Arthropoda (arthropodes)
Class same	Insecta (insecte)	Insecta (insecte)
Order same	Lepidoptera (Butterflies & Moths)	Lepidoptera (Butterflies & Moths)
Family same	Nepticulidae	Nepticulidae
Genus same	Stigmella	Stigmella
Species	Stigmella ulmivora	Stigmella glutinosae

Evolutionary Relationship

Barred Elm Pigmy and White-Barred Alder Pigmy share a common ancestor at the Genus level: Stigmella.

Conservation Status

Barred Elm Pigmy

EN — Endangered

White-Barred Alder Pigmy

LC — Least Concern

Physical Characteristics

Attribute	Barred Elm Pigmy	White-Barred Alder Pigmy
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Barred Elm Pigmy

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

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

White-Barred Alder Pigmy

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, and Sweden.

Barred Elm Pigmy

The Barred Elm Pigmy (Stigmella ulmivora) is a species in the genus Stigmella. It is currently classified as Endangered on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats.

Shared Countries

Both species can be found in 4 countries:

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