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#3252 · 🪲 beetles

Rough Violet Ground Beetle

🇳🇱 Blauwzwarte schallebijter ·Carabus problematicus

🪲 Beetles 📍 in the Netherlands
Rough Violet Ground Beetle, photo 1 of 10
1/10 © Udo Schmidt · CC BY-SA 4.0

what is it?

Carabus problematicus is a species of beetle endemic to Europe, where it is observed in Andorra, Austria, Belgium, Great Britain, the Czech Republic, mainland Denmark, the Faroe Islands, Finland, mainland France, Germany, Hungary, Iceland, Ireland, mainland Italy, Latvia (doubtful), Liechtenstein, Luxembourg, mainland Norway, Poland, Romania, northern and northwestern Russia, Slovakia, Slovenia, mainland Spain, Sweden, Switzerland, and the Netherlands.

base stats

  • NL sightings 122iNaturalist, research grade
  • worldwide 3,083iNaturalist 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 122 times in the Netherlands on iNaturalist.
  • 3,083 observations worldwide on iNaturalist.
  • Scientifically named by Johann Friedrich Wilhelm Herbst in 1786 (240 years ago).

fact sheet

English
Rough Violet Ground Beetle
Nederlands
Blauwzwarte schallebijter
scientific name
Carabus problematicus
class
Insecta
order
Coleoptera
family
Carabidae
sightings in NL
122
sightings in Europe
2,981
sightings worldwide
3,083
GBIF records in NL
8,967
weight
—
length
—
lifespan
—
named
1786 by Johann Friedrich Wilhelm Herbst

relatives· Carabidae

Sources: iNaturalist taxon 130147, Wikidata Q535578, GBIF 4470555, Wikipedia (EN), Wikipedia (NL). Intro text from Wikipedia (CC BY-SA 4.0).Updated 2026-10-24.

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