Barred Elm Pigmy vs Mountain-avens Pigmy

Stigmella ulmivora compared with Stigmella dryadella

Key Differences

• Barred Elm Pigmy is Endangered while Mountain-avens Pigmy is Least Concern.

Taxonomic Classification

Rank	Barred Elm Pigmy	Mountain-avens Pigmy
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	Nepticulidae	Nepticulidae
Genus same	Stigmella	Stigmella
Species	Stigmella ulmivora	Stigmella dryadella

Evolutionary Relationship

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

Conservation Status

Barred Elm Pigmy

EN — Endangered

Mountain-avens Pigmy

LC — Least Concern

Physical Characteristics

Attribute	Barred Elm Pigmy	Mountain-avens 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.

Mountain-avens Pigmy

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across 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 2 countries:

🇳🇴 Norway 🇸🇪 Sweden