Black-headed Pigmy vs Nut-Tree Pigmy

Stigmella atricapitella compared with Stigmella microtheriella

Taxonomic Classification

Rank	Black-headed Pigmy	Nut-Tree Pigmy
Kingdom same	Animalia (สัตว์)	Animalia (สัตว์)
Phylum same	Arthropoda (สัตว์ขาปล้อง)	Arthropoda (สัตว์ขาปล้อง)
Class same	Insecta (แมลง)	Insecta (แมลง)
Order same	Lepidoptera (ผีเสื้อ)	Lepidoptera (ผีเสื้อ)
Family same	Nepticulidae	Nepticulidae
Genus same	Stigmella	Stigmella
Species	Stigmella atricapitella	Stigmella microtheriella

Evolutionary Relationship

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

Conservation Status

Black-headed Pigmy

LC — Least Concern

Nut-Tree Pigmy

LC — Least Concern

Physical Characteristics

Attribute	Black-headed Pigmy	Nut-Tree Pigmy
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Black-headed Pigmy

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, Portugal, and Sweden.

Nut-Tree Pigmy

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, Sweden, and United States.

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