#3365 · 🪲 beetles
Lesser Diving-beetle
🇳🇱 Gegroefde haarwaterroofkever ·Acilius sulcatus
🪲 Beetles 📍 in the Netherlands
📍 Stulpselaan, Lage Vuursche, Utrecht, NL
📍 9255 XG Tietjerk, Nederland
📍 8391 KS Noordwolde, Nederland
📍 1382 LP Weesp, Nederland
📍 Raadhuisplein, Liempde, Brabant, NL
📍 Fransebaan, Eindhoven, North Brabant, NL
📍 Linnaeusborg, 9747 AG Groningen, Netherlands
10 photos from iNaturalist (Creative Commons) · credits & licences
- 1. © Nikolai Vladimirov · CC BY-NC 4.0
- 2. © Sergey Pershin · CC BY-NC 4.0
- 3. © Pascal Dubois · CC BY-NC 4.0
- 4. Stulpselaan, Lage Vuursche, Utrecht, NL:© no rights reserved · CC0
- 5. 9255 XG Tietjerk, Nederland:© wasah · CC BY-NC 4.0
- 6. 8391 KS Noordwolde, Nederland:© amras25 · CC BY-NC 4.0
- 7. 1382 LP Weesp, Nederland:© teddydolstra · CC BY-NC 4.0
- 8. Raadhuisplein, Liempde, Brabant, NL:© Bernard_22 · CC BY 4.0
- 9. Fransebaan, Eindhoven, North Brabant, NL:© max_eskell · CC BY-NC 4.0
- 10. Linnaeusborg, 9747 AG Groningen, Netherlands:© Mick Elliot · CC BY-NC 4.0
what is it?
2 mm), with color variation shown throughout its range. Typically it is yellow and black.
base stats
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 43 times in the Netherlands on iNaturalist.
- 2,750 observations worldwide on iNaturalist.
- Scientifically named in 1758 (268 years ago).
fact sheet
- English
- Lesser Diving-beetle
- Nederlands
- Gegroefde haarwaterroofkever
- scientific name
- Acilius sulcatus
- class
- Insecta
- order
- Coleoptera
- family
- Dytiscidae
- sightings in NL
- 43
- sightings in Europe
- 2,089
- sightings worldwide
- 2,750
- GBIF records in NL
- 1,794
- weight
- —
- length
- —
- lifespan
- —
- named
- 1758
relatives· Dytiscidae
#3276 📷 7peardrop beetle
🇳🇱 Tuimelaar
Cybister lateralimarginalis
👀 86 in NL
#3348 📷 10Cosmopolitan Diving Beetle
🇳🇱 Bepoederde waterroofkever
Rhantus suturalis
👀 47 in NL
#3369 📷 10Great Diving Beetle
🇳🇱 Geelgerande Watertor
Dytiscus marginalis
👀 42 in NL
#3407 📷 10large-grooved diving beetle
🇳🇱 Bruine duiker
Colymbetes fuscus
👀 33 in NL
Sources: iNaturalist taxon 130410, Wikidata Q259931, GBIF 4470286, Wikipedia (EN), Wikipedia (NL). Intro text from Wikipedia (CC BY-SA 4.0).Updated 2026-10-24.