gegolfde beekkever
Agabus undulatus
Agabus undulatus is a species of beetle native to the Palearctic, including Europe, where it is only found in Albania, Austria, Belarus, Belgium, Bosnia and Herzegovina, Great Britain including Shetland, Orkney, Hebrides and Isle of Man, Bulgaria, Croatia, the Czech Republic, mainland Denmark, Estonia, mainland France, Germany, Hungary, mainland Italy, Kaliningrad, Latvia, Lithuania, Luxembourg, mainland Norway, Poland, Russia, Slovakia, Slovenia, Sweden, Switzerland, the Netherlands, and Ukraine.
24
Countries
Photo: Wikimedia Commons (CC) via https://en.wikipedia.org/wiki/Agabus_undulatus
Taxonomy & Classification
Kingdom
Animalia
Phylum
Arthropoda
Class
Insecta
Order
Coleoptera
Family
Dytiscidae
Genus
Agabus
gegolfde beekkever belongs to the family Dytiscidae, order Coleoptera, within the Insecta class.
Species Profile
Agabus undulatus is a species of beetle native to the Palearctic, including Europe, where it is only found in Albania, Austria, Belarus, Belgium, Bosnia and Herzegovina, Great Britain including Shetland, Orkney, Hebrides and Isle of Man, Bulgaria, Croatia, the Czech Republic, mainland Denmark, Estonia, mainland France, Germany, Hungary, mainland Italy, Kaliningrad, Latvia, Lithuania, Luxembourg, mainland Norway, Poland, Russia, Slovakia, Slovenia, Sweden, Switzerland, the Netherlands, and Ukraine.
The gegolfde beekkever (Agabus undulatus) is declining primarily due to habitat degradation and loss of clean, flowing water systems. Water pollution from agricultural runoff, urban development, and industrial activities has severely impacted the quality of streams and small rivers where this aquatic beetle depends for survival.
Key Facts
Threats
IUCN Red List: Endangered
The gegolfde beekkever (Agabus undulatus) is declining primarily due to habitat degradation and loss of clean, flowing water systems. Water pollution from agricultural runoff, urban development, and industrial activities has severely impacted the quality of streams and small rivers where this aquatic beetle depends for survival.
Habitat fragmentation due to stream channelization and dam construction
Water pollution from agricultural chemicals and fertilizers
Climate change affecting water temperature and flow patterns
Invasive species competition in aquatic habitats
Urban development and associated runoff contamination
Found in 24 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). gegolfde beekkever (Agabus undulatus). SpeciesRadar: Intelligence for Earth's Biodiversity. Available at: https://speciesradar.org/species/gegolfde-beekkever