Black Laceweaver vs Clouded slender

Amaurobius ferox compared with Caloptilia populetorum

Taxonomic Classification

Rank	Black Laceweaver	Clouded slender
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Arthropoda (Arthropods)	Arthropoda (Arthropods)
Class	Arachnida (Arachnids)	Insecta (Insects)
Order	Araneae (Araneae)	Lepidoptera (Butterflies & Moths)
Family	Amaurobiidae	Gracillariidae
Genus	Amaurobius	Caloptilia
Species	Amaurobius ferox	Caloptilia populetorum

Evolutionary Relationship

Black Laceweaver and Clouded slender share a common ancestor at the Phylum level: Arthropoda. (Arthropods)

View Phylum: Arthropoda

Conservation Status

Black Laceweaver

LC — Least Concern

Clouded slender

LC — Least Concern

Physical Characteristics

Attribute	Black Laceweaver	Clouded slender
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.

Clouded slender

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found across Europe (6 countries).

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.

Clouded slender

Clouded slender refers to a small moth in one of several microlepidopteran families characterized by narrow, elongated wings with clouded or mottled patterning, the 'slender' designation reflecting the elongated wing shape typical of gracillariid leaf miners, stathmopodid moths, or similar narrow-winged families. Slender moths of this type are often highly specialized as leaf miners or stem borers in their larval stage, with adults emerging in spring or summer from pupae formed within the mined leaf or on adjacent vegetation. The clouded wing pattern typically consists of subtle brown, grey, and cream mottling or diffuse cross-banding that provides camouflage against bark and foliage substrates. Many slender moth species in Europe and Asia have restricted distributions tied to the availability of specific larval host plants, making them sensitive to changes in plant community composition. Documentation of species through light trapping and larval rearing from identified host plants contributes to understanding the full diversity of microlepidoptera in temperate and subtropical habitats where hundreds of species remain incompletely studied.