Broad-Bordered White Underwing vs Chalk Screw-moss

Anarta melanopa compared with Tortula vahliana

Key Differences

Broad-Bordered White Underwing is Least Concern while Chalk Screw-moss is Vulnerable.

Taxonomic Classification

Rank	Broad-Bordered White Underwing	Chalk Screw-moss
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Arthropoda (Arthropods)	Bryophyta
Class	Insecta (Insects)	Bryopsida (Bryopsida)
Order	Lepidoptera (Butterflies & Moths)	Pottiales (Pottiales)
Family	Noctuidae	Pottiaceae
Genus	Anarta	Tortula
Species	Anarta melanopa	Tortula vahliana

Conservation Status

Broad-Bordered White Underwing

LC — Least Concern

Chalk Screw-moss

VU — Vulnerable

Physical Characteristics

Attribute	Broad-Bordered White Underwing	Chalk Screw-moss
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Broad-Bordered White Underwing

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Norway and Sweden.

Chalk Screw-moss

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

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

Broad-Bordered White Underwing

The Broad-Bordered White Underwing (Anarta melanopa) is a species in the genus Anarta. It is currently classified as Least Concern on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats.

Chalk Screw-moss

The Chalk Screw-moss (Tortula vahliana) is a species in the genus Tortula. It is currently classified as Vulnerable on the IUCN Red List. Native to Europe, inhabiting ecosystems characteristic of the region.