Graurandiger Zwergspanner vs Braunrandiger Zwergspanner

Idaea fuscovenosa compared with Idaea humiliata

Key Differences

• Graurandiger Zwergspanner is Least Concern while Braunrandiger Zwergspanner is Endangered.

Taxonomic Classification

Rank	Graurandiger Zwergspanner	Braunrandiger Zwergspanner
Kingdom same	Animalia (Tier)	Animalia (Tier)
Phylum same	Arthropoda (Gliederfüßer)	Arthropoda (Gliederfüßer)
Class same	Insecta (Insekten)	Insecta (Insekten)
Order same	Lepidoptera (Schmetterlinge)	Lepidoptera (Schmetterlinge)
Family same	Geometridae	Geometridae
Genus same	Idaea	Idaea
Species	Idaea fuscovenosa	Idaea humiliata

Evolutionary Relationship

Graurandiger Zwergspanner and Braunrandiger Zwergspanner share a common ancestor at the Genus level: Idaea.

Conservation Status

Graurandiger Zwergspanner

LC — Least Concern

Braunrandiger Zwergspanner

EN — Endangered

Physical Characteristics

Attribute	Graurandiger Zwergspanner	Braunrandiger Zwergspanner
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Graurandiger Zwergspanner

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, and Sweden.

Braunrandiger Zwergspanner

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, and Sweden. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Shared Countries

Both species can be found in 4 countries:

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