Ochraceous Wave vs Silky Wave

Idaea serpentata compared with Idaea dilutaria

Key Differences

• Ochraceous Wave is Least Concern while Silky Wave is Endangered.

Taxonomic Classification

Rank	Ochraceous Wave	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 same	Geometridae	Geometridae
Genus same	Idaea	Idaea
Species	Idaea serpentata	Idaea dilutaria

Evolutionary Relationship

Ochraceous Wave and Silky Wave share a common ancestor at the Genus level: Idaea.

Conservation Status

Ochraceous Wave

LC — Least Concern

Silky Wave

EN — Endangered

Physical Characteristics

Attribute	Ochraceous Wave	Silky Wave
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Ochraceous Wave

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.

Shared Countries

Both species can be found in 2 countries:

🇧🇪 Belgium 🇸🇪 Sweden