Base-spotted Pigmy vs Birch Marble

Stigmella basiguttella compared with Apotomis betuletana

Key Differences

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

Taxonomic Classification

Rank	Base-spotted Pigmy	Birch Marble
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	Tortricidae
Genus	Stigmella	Apotomis
Species	Stigmella basiguttella	Apotomis betuletana

Evolutionary Relationship

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

Conservation Status

Base-spotted Pigmy

NT — Near Threatened

Birch Marble

LC — Least Concern

Physical Characteristics

Attribute	Base-spotted Pigmy	Birch Marble
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 Marble

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 Marble

The Birch Marble (Apotomis betuletana) is a species in the genus Apotomis. 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