Base-spotted Pigmy vs Birch Sober

Stigmella basiguttella compared with Anacampsis blattariella

Key Differences

• Base-spotted Pigmy is Near Threatened while Birch Sober is Least Concern.

Taxonomic Classification

Rank	Base-spotted Pigmy	Birch Sober
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	Nepticulidae	Gelechiidae
Genus	Stigmella	Anacampsis
Species	Stigmella basiguttella	Anacampsis blattariella

Evolutionary Relationship

Base-spotted Pigmy and Birch Sober share a common ancestor at the Order level: Lepidoptera. (Butterflies & Moths)

Conservation Status

Base-spotted Pigmy

NT — Near Threatened

Birch Sober

LC — Least Concern

Physical Characteristics

Attribute	Base-spotted Pigmy	Birch Sober
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.

Birch Sober

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, 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.

Birch Sober

The Birch Sober (Anacampsis blattariella) is a species in the genus Anacampsis. 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