Black Laceweaver vs False Slender-footed Robberfly

Amaurobius ferox compared with Leptarthrus vitripennis

Key Differences

• Black Laceweaver is Least Concern while False Slender-footed Robberfly is Endangered.

Taxonomic Classification

Rank	Black Laceweaver	False Slender-footed Robberfly
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Arthropoda (Arthropods)	Arthropoda (Arthropods)
Class	Arachnida (Arachnids)	Insecta (Insects)
Order	Araneae (Araneae)	Diptera (Diptera)
Family	Amaurobiidae	Asilidae
Genus	Amaurobius	Leptarthrus
Species	Amaurobius ferox	Leptarthrus vitripennis

Evolutionary Relationship

Black Laceweaver and False Slender-footed Robberfly share a common ancestor at the Phylum level: Arthropoda. (Arthropods)

Conservation Status

Black Laceweaver

LC — Least Concern

False Slender-footed Robberfly

EN — Endangered

Physical Characteristics

Attribute	Black Laceweaver	False Slender-footed Robberfly
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.

False Slender-footed Robberfly

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Norway, and Sweden. Currently classified as Endangered 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 2 countries:

🇧🇪 Belgium 🇸🇪 Sweden