Barred Elm Pigmy vs Black-headed Pigmy

Stigmella ulmivora compared with Stigmella atricapitella

Key Differences

• Barred Elm Pigmy is Endangered while Black-headed Pigmy is Least Concern.

Taxonomic Classification

Rank	Barred Elm Pigmy	Black-headed Pigmy
Kingdom same	Animalia (حيوانات)	Animalia (حيوانات)
Phylum same	Arthropoda (مفصليات الأرجل)	Arthropoda (مفصليات الأرجل)
Class same	Insecta (حشرات)	Insecta (حشرات)
Order same	Lepidoptera (حرشفيات الأجنحة)	Lepidoptera (حرشفيات الأجنحة)
Family same	Nepticulidae	Nepticulidae
Genus same	Stigmella	Stigmella
Species	Stigmella ulmivora	Stigmella atricapitella

Evolutionary Relationship

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

Conservation Status

Barred Elm Pigmy

EN — Endangered

Black-headed Pigmy

LC — Least Concern

Physical Characteristics

Attribute	Barred Elm Pigmy	Black-headed 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.

Black-headed Pigmy

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, Portugal, 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.

Black-headed Pigmy

The Black-headed Pigmy (Stigmella atricapitella) is a species in the genus Stigmella. It is currently classified as Least Concern 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