kustplatvoetje
Platycheirus immarginatus
Platycheirus immarginatus, the Comb-legged Sedgesitter, is a common species of hoverfly. It is found in parts of northern Europe and northern North America.
16
Countries
Photo: Wikimedia Commons (CC) via https://en.wikipedia.org/wiki/Platycheirus_immarginatus
Taxonomy & Classification
Kingdom
Animalia
Phylum
Arthropoda
Class
Insecta
Order
Diptera
Family
Syrphidae
Genus
Platycheirus
kustplatvoetje belongs to the family Syrphidae, order Diptera, within the Insecta class.
Species Profile
Platycheirus immarginatus, the Comb-legged Sedgesitter, is a common species of hoverfly. It is found in parts of northern Europe and northern North America.
Platycheirus immarginatus faces severe population declines primarily due to habitat loss and degradation of its specialized wetland environments. Climate change and agricultural intensification are reducing the availability of suitable breeding and foraging sites, while pollution from agricultural runoff further degrades remaining habitat quality.
Key Facts
Habitat & Distribution
Palearctic: Britain, Ireland, Sweden, Denmark, the Netherlands and Belgium. Nearctic: Alaska south to California.
Threats
IUCN Red List: Endangered
Platycheirus immarginatus faces severe population declines primarily due to habitat loss and degradation of its specialized wetland environments. Climate change and agricultural intensification are reducing the availability of suitable breeding and foraging sites, while pollution from agricultural runoff further degrades remaining habitat quality.
Agricultural intensification and pesticide use
Wetland habitat loss and drainage
Climate change altering wetland hydrology
Fragmentation of remaining suitable habitats
Water pollution and eutrophication
Found in 16 Countries
National vs Global Threat Status
How this species is assessed at the national level compared to its IUCN global status (EN).
| Country | National Status | Global Status | Comparison |
|---|---|---|---|
| EU | NTNear Threatened | ENEndangered | Lower local risk |
| EU | NTNear Threatened | ENEndangered | Lower local risk |
National Red List data sourced from the National Red List Project (nationalredlist.org, ZSL) and country-specific Red List authorities.
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
National Red Lists: ZSL (2025). National Red List. Zoological Society of London. Available at: https://www.nationalredlist.org
This page: SpeciesRadar (2025). kustplatvoetje (Platycheirus immarginatus). SpeciesRadar: Intelligence for Earth's Biodiversity. Available at: https://speciesradar.org/species/kustplatvoetje