Birch Marble vs Window Gnat

Apotomis betuletana compared with Sylvicola fenestralis

Taxonomic Classification

Rank	Birch Marble	Window Gnat
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Arthropoda (Arthropods)	Arthropoda (Arthropods)
Class same	Insecta (Insects)	Insecta (Insects)
Order	Lepidoptera (Butterflies & Moths)	Diptera (Diptera)
Family	Tortricidae	Anisopodidae
Genus	Apotomis	Sylvicola
Species	Apotomis betuletana	Sylvicola fenestralis

Evolutionary Relationship

Birch Marble and Window Gnat share a common ancestor at the Class level: Insecta. (Insects)

Conservation Status

Birch Marble

LC — Least Concern

Window Gnat

LC — Least Concern

Physical Characteristics

Attribute	Birch Marble	Window Gnat
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.

Window Gnat

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Denmark, Norway, Sweden, and United States.

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:

🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden