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#2733 · 🦋 butterflies & moths

Ground Lackey

🇳🇱 Heideringelrups ·Malacosoma castrensis

🦋 Butterflies & moths 📍 in the Netherlands
Ground Lackey, photo 1 of 10
1/10 © Bernard DUPONT · CC BY-SA 4.0

what is it?

Malacosoma castrense (or Malacosoma castrensis ), the ground lackey , is a moth of the family Lasiocampidae. It is a tent caterpillar found in Europe.

base stats

  • NL sightings 57iNaturalist, research grade
  • worldwide 5,103iNaturalist 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 57 times in the Netherlands on iNaturalist.
  • 5,103 observations worldwide on iNaturalist.

fact sheet

English
Ground Lackey
Nederlands
Heideringelrups
scientific name
Malacosoma castrensis
class
Insecta
order
Lepidoptera
family
Lasiocampidae
sightings in NL
57
sightings in Europe
2,505
sightings worldwide
5,103
weight
—
length
—
lifespan
—

relatives· Lasiocampidae

Sources: iNaturalist taxon 475345, Wikipedia (EN), Wikipedia (NL). Intro text from Wikipedia (CC BY-SA 4.0).Updated 2026-10-24.

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