Black Laceweaver vs Cramp Balls

Amaurobius ferox compared with Daldinia concentrica

Key Differences

• Black Laceweaver is Least Concern while Cramp Balls is Vulnerable.

Taxonomic Classification

Rank	Black Laceweaver	Cramp Balls
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Arthropoda (Arthropods)	Ascomycota (Sac Fungi)
Class	Arachnida (Arachnids)	Sordariomycetes (Sordariomycetes)
Order	Araneae (Araneae)	Xylariales (Xylariales)
Family	Amaurobiidae	Hypoxylaceae
Genus	Amaurobius	Daldinia
Species	Amaurobius ferox	Daldinia concentrica

Conservation Status

Black Laceweaver

LC — Least Concern

Cramp Balls

VU — Vulnerable

Physical Characteristics

Attribute	Black Laceweaver	Cramp Balls
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Black Laceweaver

Habitat

Typically found in terrestrial habitats from forests to deserts.

Range

Distributed across Belgium, Canada, Denmark, Sweden, and United States.

Cramp Balls

Habitat

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

Range

Widely distributed across Asia (Taiwan), Europe (5 countries), North America (United States), and South America (Brazil). Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Black Laceweaver

The Black Laceweaver (Amaurobius ferox) is a species in the genus Amaurobius. It is currently classified as Least Concern on the IUCN Red List. Typically found in terrestrial habitats from forests to deserts.

Shared Countries

Both species can be found in 4 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇸🇪 Sweden 🇺🇸 United States