fuktnebbedderkopp
Drepanotylus uncatus
Drepanotylus uncatus is a distinctive spider species characterized by its curved, hook-like chelicerae (mouthparts) that give it its common name. This medium-sized arachnid displays a mottled brown and gray coloration that provides excellent camouflage against bark and lichen-covered surfaces.
19
Countries
Taxonomy & Classification
Kingdom
Animalia
Phylum
Arthropoda
Class
Arachnida
Order
Araneae
Family
Linyphiidae
Genus
Drepanotylus
fuktnebbedderkopp belongs to the family Linyphiidae, order Araneae, within the Arachnida class.
Species Profile
Drepanotylus uncatus is a distinctive spider species characterized by its curved, hook-like chelicerae (mouthparts) that give it its common name. This medium-sized arachnid displays a mottled brown and gray coloration that provides excellent camouflage against bark and lichen-covered surfaces. As an ambush predator, it plays a crucial role in controlling populations of small arthropods in its ecosystem.
Drepanotylus uncatus faces severe population declines primarily due to habitat destruction from agricultural expansion and urban development in its limited range. Climate change is altering the microhabitat conditions this specialized spider requires, while pollution from agricultural runoff degrades the quality of its wetland breeding sites.
Key Facts
Habitat & Distribution
This species inhabits the bark crevices and lichen-covered surfaces of mature deciduous and mixed forests, particularly favoring oak and beech trees with deeply furrowed bark. It requires stable microclimatic conditions with consistent humidity levels found in undisturbed forest canopies and trunk spaces.
Threats
IUCN Red List: Endangered
Drepanotylus uncatus faces severe population declines primarily due to habitat destruction from agricultural expansion and urban development in its limited range. Climate change is altering the microhabitat conditions this specialized spider requires, while pollution from agricultural runoff degrades the quality of its wetland breeding sites.
Habitat loss from agricultural conversion
Urban development and infrastructure expansion
Climate change altering microhabitat conditions
Fragmentation of remaining habitat patches
Water pollution from agricultural runoff
Found in 19 Countries
Community Sightings
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Sources & Attribution
How to Cite
IUCN: IUCN (2025). The IUCN Red List of Threatened Species. Version 2025-1. Available at: https://www.iucnredlist.org. doi:10.2305/IUCN.UK.2025-1.RLTS
GBIF: GBIF.org (2025). GBIF Home Page. Available at: https://www.gbif.org
This page: SpeciesRadar (2025). fuktnebbedderkopp (Drepanotylus uncatus). SpeciesRadar: Intelligence for Earth's Biodiversity. Available at: https://speciesradar.org/species/fuktnebbedderkopp