Bitter Scalewort vs Brown Oak Tortrix

Porella arboris-vitae compared with Archips crataegana

Key Differences

• Bitter Scalewort is Vulnerable while Brown Oak Tortrix is Least Concern.

Taxonomic Classification

Rank	Bitter Scalewort	Brown Oak Tortrix
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Marchantiophyta (liverwort)	Arthropoda (Arthropods)
Class	Jungermanniopsida (Jungermanniopsida)	Insecta (Insects)
Order	Porellales (Porellales)	Lepidoptera (Butterflies & Moths)
Family	Porellaceae	Tortricidae
Genus	Porella	Archips
Species	Porella arboris-vitae	Archips crataegana

Conservation Status

Bitter Scalewort

VU — Vulnerable

Brown Oak Tortrix

LC — Least Concern

Physical Characteristics

Attribute	Bitter Scalewort	Brown Oak Tortrix
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Bitter Scalewort

Habitat

Native to Asia and Europe, inhabiting ecosystems characteristic of the region.

Range

Found across Asia (Taiwan) and Europe (5 countries). Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Brown Oak Tortrix

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, and Sweden.

Bitter Scalewort

The Bitter Scalewort (Porella arboris-vitae) is a species in the genus Porella. It is currently classified as Vulnerable on the IUCN Red List. Native to Asia and Europe, inhabiting ecosystems characteristic of the region.

Brown Oak Tortrix

The Brown Oak Tortrix (Archips crataegana) is a species in the genus Archips. 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 4 countries:

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