Birch Marble vs Pear-tree Pigmy

Apotomis betuletana compared with Stigmella pyri

Key Differences

• Birch Marble is Least Concern while Pear-tree Pigmy is Endangered.

Taxonomic Classification

Rank	Birch Marble	Pear-tree Pigmy
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	Tortricidae	Nepticulidae
Genus	Apotomis	Stigmella
Species	Apotomis betuletana	Stigmella pyri

Evolutionary Relationship

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

Conservation Status

Birch Marble

LC — Least Concern

Pear-tree Pigmy

EN — Endangered

Physical Characteristics

Attribute	Birch Marble	Pear-tree Pigmy
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Birch Marble

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, and Sweden.

Pear-tree Pigmy

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found across Europe (6 countries). Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

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 3 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇸🇪 Sweden