Belted spider beetle vs common greasewort

Ptinus bicinctus compared with Aneura pinguis

Key Differences

• Belted spider beetle is Not Evaluated while common greasewort is Least Concern.

Taxonomic Classification

Rank	Belted spider beetle	common greasewort
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Arthropoda (Arthropods)	Marchantiophyta (liverwort)
Class	Insecta (Insects)	Jungermanniopsida (Jungermanniopsida)
Order	Coleoptera (Beetles)	Metzgeriales (Metzgeriales)
Family	Ptinidae	Aneuraceae
Genus	Ptinus	Aneura
Species	Ptinus bicinctus	Aneura pinguis

Conservation Status

Belted spider beetle

NE — Not Evaluated

common greasewort

LC — Least Concern

Physical Characteristics

Attribute	Belted spider beetle	common greasewort
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Belted spider beetle

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found across Europe (26 countries) and North America (Canada, United States).

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).

Belted spider beetle

The Belted spider beetle (Ptinus bicinctus) is a species in the genus Ptinus. 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 5 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden 🇺🇸 United States