Base-spotted Pigmy vs Black-headed Pigmy

Stigmella basiguttella compared with Stigmella atricapitella

Key Differences

Base-spotted Pigmy is Near Threatened while Black-headed Pigmy is Least Concern.

Taxonomic Classification

Rank	Base-spotted Pigmy	Black-headed 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 basiguttella	Stigmella atricapitella

Evolutionary Relationship

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

View Genus: Stigmella

Conservation Status

Base-spotted Pigmy

NT — Near Threatened

Black-headed Pigmy

LC — Least Concern

Physical Characteristics

Attribute	Base-spotted Pigmy	Black-headed Pigmy
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Base-spotted Pigmy

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, and Sweden. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Black-headed Pigmy

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

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

Base-spotted Pigmy

The Base-spotted Pigmy (Stigmella basiguttella) is a species in the genus Stigmella. It is currently classified as Near Threatened 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.