Birch Marble vs Silky Wave

Apotomis betuletana compared with Idaea dilutaria

Key Differences

• Birch Marble is Least Concern while Silky Wave is Endangered.

Taxonomic Classification

Rank	Birch Marble	Silky Wave
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	Geometridae
Genus	Apotomis	Idaea
Species	Apotomis betuletana	Idaea dilutaria

Evolutionary Relationship

Birch Marble and Silky Wave share a common ancestor at the Order level: Lepidoptera. (Butterflies & Moths)

Conservation Status

Birch Marble

LC — Least Concern

Silky Wave

EN — Endangered

Physical Characteristics

Attribute	Birch Marble	Silky Wave
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.

Silky Wave

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium and Sweden. 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 2 countries:

🇧🇪 Belgium 🇸🇪 Sweden