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#3407 · 🪲 beetles

large-grooved diving beetle

🇳🇱 Bruine duiker ·Colymbetes fuscus

🪲 Beetles 📍 in the Netherlands
large-grooved diving beetle, photo 1 of 10
1/10 © John Pitts · CC BY 4.0

what is it?

Colymbetes fuscus is a species of beetle native to the Palearctic, including Europe, the Near East and North Africa. In Europe, it is only found in Austria, the Balearic Islands, Belarus, Belgium, Bosnia and Herzegovina, Great Britain including Shetland, Orkney, Hebrides and Isle of Man, Bulgaria, the Channel Islands, Corsica, Croatia, Cyprus, the Czech Republic, mainland Denmark, Estonia, European Turkey, Finland, mainland France, Germany, mainland Greece, Hungary, the Republic of Ireland, mainland Italy, Kaliningrad, Latvia, Liechtenstein,...

base stats

  • NL sightings 33iNaturalist, research grade
  • worldwide 1,176iNaturalist observations

Bars compare against all animals on log scales: up to 300,000 Dutch and 600,000 worldwide sightings (the most-seen species), 150 t (blue whale), 30 m and 400 years (Greenland shark).

fun facts

  • Spotted 33 times in the Netherlands on iNaturalist.
  • 1,176 observations worldwide on iNaturalist.
  • Scientifically named in 1758 (268 years ago).

fact sheet

English
large-grooved diving beetle
Nederlands
Bruine duiker
scientific name
Colymbetes fuscus
class
Insecta
order
Coleoptera
family
Dytiscidae
sightings in NL
33
sightings in Europe
975
sightings worldwide
1,176
GBIF records in NL
1,882
weight
—
length
—
lifespan
—
named
1758

relatives· Dytiscidae

Sources: iNaturalist taxon 522544, Wikidata Q149696, GBIF 4989378, Wikipedia (EN), Wikipedia (NL). Intro text from Wikipedia (CC BY-SA 4.0).Updated 2026-10-24.

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