Ash-bark Piercer vs common greasewort

Pammene suspectana compared with Aneura pinguis

Key Differences

• Ash-bark Piercer is Near Threatened while common greasewort is Least Concern.

Taxonomic Classification

Rank	Ash-bark Piercer	common greasewort
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Arthropoda (Arthropods)	Marchantiophyta (liverwort)
Class	Insecta (Insects)	Jungermanniopsida (Jungermanniopsida)
Order	Lepidoptera (Butterflies & Moths)	Metzgeriales (Metzgeriales)
Family	Tortricidae	Aneuraceae
Genus	Pammene	Aneura
Species	Pammene suspectana	Aneura pinguis

Conservation Status

Ash-bark Piercer

NT — Near Threatened

common greasewort

LC — Least Concern

Physical Characteristics

Attribute	Ash-bark Piercer	common greasewort
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Ash-bark Piercer

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, and Sweden. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

common greasewort

Habitat

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

Range

Widely distributed across Asia (Taiwan), Europe (6 countries), North America (United States), and South America (Brazil, Colombia).

Ash-bark Piercer

Ash-bark piercer (Pammene suspectana) is a species in the genus Pammene. It is classified as Near Threatened by the IUCN. Typically found in virtually all terrestrial and freshwater habitats.

common greasewort

<em>Aneura pinguis</em>, commonly known as common greasewort, is a liverwort belonging to the genus Aneura within the family Aneuraceae. This cryptogamic plant inhabits ecosystems across Asia, Europe, and North America, thriving in moist or waterlogged environments. Its range encompasses Taiwan in Asia, six European countries, the United States in North America, and Brazil and Colombia in South America, indicating a broad geographic distribution across multiple continents. Common greasewort is assessed as Least Concern on the IUCN Red List. The species typically forms flat, ribbon-like thalli in damp habitats such as stream banks, wet rocks, and boggy ground. Biological traits of this species remain poorly documented in the scientific literature.

Shared Countries

Both species can be found in 4 countries:

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