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#3372 · 🪲 beetles

Bolronde helmkever

Aegialia arenaria

🪲 Beetles 📍 in the Netherlands
Bolronde helmkever, photo 1 of 7
1/7 © Rasmus Allesoee · CC BY-NC 4.0

what is it?

Aegialia arenaria , the dune scarab beetle is a species of beetle in family Scarabaeidae. It is found in the Palearctic. It is a coastal species found on sand dunes of West and North Europe. (Netherlands, Belgium, France (Nord-Pas-de-Calais), Germany, Denmark, Portugal, Spain,Britain, Ireland, Norway, Sweden) and in the Nearctic from Nova Scotia in Canada (Sable Island), to Massachusetts, New Hampshire.

base stats

  • NL sightings 42iNaturalist, research grade
  • worldwide 260iNaturalist 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 42 times in the Netherlands on iNaturalist.
  • 260 observations worldwide on iNaturalist.
  • Scientifically named by Johan Christian Fabricius in 1787 (239 years ago).

fact sheet

Nederlands
Bolronde helmkever
scientific name
Aegialia arenaria
class
Insecta
order
Coleoptera
family
Scarabaeidae
sightings in NL
42
sightings in Europe
215
sightings worldwide
260
GBIF records in NL
946
weight
—
length
—
lifespan
—
named
1787 by Johan Christian Fabricius

relatives· Scarabaeidae

Sources: iNaturalist taxon 130422, Wikidata Q2103115, GBIF 1072045, Wikipedia (EN), Wikipedia (NL). Intro text from Wikipedia (CC BY-SA 4.0).Updated 2026-10-24.

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