Barred Rowan Pigmy vs Base-spotted Pigmy

Stigmella sorbi compared with Stigmella basiguttella

Key Differences

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

Taxonomic Classification

Rank	Barred Rowan Pigmy	Base-spotted Pigmy
Kingdom same	Animalia (animal)	Animalia (animal)
Phylum same	Arthropoda (arthropodes)	Arthropoda (arthropodes)
Class same	Insecta (insecte)	Insecta (insecte)
Order same	Lepidoptera (Butterflies & Moths)	Lepidoptera (Butterflies & Moths)
Family same	Nepticulidae	Nepticulidae
Genus same	Stigmella	Stigmella
Species	Stigmella sorbi	Stigmella basiguttella

Evolutionary Relationship

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

Conservation Status

Barred Rowan Pigmy

LC — Least Concern

Base-spotted Pigmy

NT — Near Threatened

Physical Characteristics

Attribute	Barred Rowan Pigmy	Base-spotted Pigmy
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Barred Rowan Pigmy

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, and Sweden.

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.

Barred Rowan Pigmy

The Barred Rowan Pigmy (Stigmella sorbi) 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.

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.

Shared Countries

Both species can be found in 4 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden