Base-spotted Pigmy vs Chestnut Pigmy

Stigmella basiguttella compared with Stigmella samiatella

Key Differences

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

Taxonomic Classification

Rank	Base-spotted Pigmy	Chestnut Pigmy
Kingdom same	Animalia (Tier)	Animalia (Tier)
Phylum same	Arthropoda (Gliederfüßer)	Arthropoda (Gliederfüßer)
Class same	Insecta (Insekten)	Insecta (Insekten)
Order same	Lepidoptera (Schmetterlinge)	Lepidoptera (Schmetterlinge)
Family same	Nepticulidae	Nepticulidae
Genus same	Stigmella	Stigmella
Species	Stigmella basiguttella	Stigmella samiatella

Evolutionary Relationship

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

Conservation Status

Base-spotted Pigmy

NT — Near Threatened

Chestnut Pigmy

LC — Least Concern

Physical Characteristics

Attribute	Base-spotted Pigmy	Chestnut 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.

Chestnut Pigmy

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.

Chestnut Pigmy

The Chestnut Pigmy (Stigmella samiatella) 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