Base-spotted Pigmy vs Buff-tailed Mining Bee

Stigmella basiguttella compared with Andrena humilis

Key Differences

• Base-spotted Pigmy is Near Threatened while Buff-tailed Mining Bee is Extinct.

Taxonomic Classification

Rank	Base-spotted Pigmy	Buff-tailed Mining Bee
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Arthropoda (Arthropods)	Arthropoda (Arthropods)
Class same	Insecta (Insects)	Insecta (Insects)
Order	Lepidoptera (Butterflies & Moths)	Hymenoptera (Ants, Bees & Wasps)
Family	Nepticulidae	Andrenidae
Genus	Stigmella	Andrena
Species	Stigmella basiguttella	Andrena humilis

Evolutionary Relationship

Base-spotted Pigmy and Buff-tailed Mining Bee share a common ancestor at the Class level: Insecta. (Insects)

Conservation Status

Base-spotted Pigmy

NT — Near Threatened

Buff-tailed Mining Bee

EX — Extinct

Physical Characteristics

Attribute	Base-spotted Pigmy	Buff-tailed Mining Bee
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.

Buff-tailed Mining Bee

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Luxembourg, 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.

Buff-tailed Mining Bee

The Buff-Tailed Mining Bee (Andrena humilis) is a species in the genus Andrena. It is currently classified as Extinct 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