Autumn Snowflake vs Silky Wave

Acis autumnalis compared with Idaea dilutaria

Key Differences

• Autumn Snowflake is Least Concern while Silky Wave is Endangered.

Taxonomic Classification

Rank	Autumn Snowflake	Silky Wave
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Magnoliophyta (Flowering Plants)	Arthropoda (Arthropods)
Class	Liliopsida (Monocots)	Insecta (Insects)
Order	Asparagales (Asparagales)	Lepidoptera (Butterflies & Moths)
Family	Amaryllidaceae	Geometridae
Genus	Acis	Idaea
Species	Acis autumnalis	Idaea dilutaria

Conservation Status

Autumn Snowflake

LC — Least Concern

Silky Wave

EN — Endangered

Physical Characteristics

Attribute	Autumn Snowflake	Silky Wave
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Autumn Snowflake

Habitat

Typically found in grasslands, wetlands, forests, and cultivated landscapes.

Range

Found in Norway.

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.

Autumn Snowflake

The Autumn Snowflake (Acis autumnalis) is a species in the genus Acis. It is currently classified as Least Concern on the IUCN Red List. Typically found in grasslands, wetlands, forests, and cultivated landscapes.