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#2812 · 🦋 butterflies & moths

Round-winged Muslin

🇳🇱 Rondvleugelbeertje ·Thumatha senex

🦋 Butterflies & moths 📍 in the Netherlands
Round-winged Muslin, photo 1 of 10
1/10 © Marie Lou Legrand · CC BY-NC 4.0

what is it?

Thumatha senex , the round-winged muslin , is a moth of the family Erebidae. It is found in northern and central Europe, the Alps, northern Asia Minor, the Crimea and south-western Siberia.

base stats

  • NL sightings 41iNaturalist, research grade
  • worldwide 905iNaturalist 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 41 times in the Netherlands on iNaturalist.
  • 905 observations worldwide on iNaturalist.
  • Scientifically named by Jacob Hübner in 1808 (218 years ago).

fact sheet

English
Round-winged Muslin
Nederlands
Rondvleugelbeertje
scientific name
Thumatha senex
class
Insecta
order
Lepidoptera
family
Erebidae
sightings in NL
41
sightings in Europe
821
sightings worldwide
905
GBIF records in NL
0
weight
—
length
—
lifespan
—
named
1808 by Jacob Hübner

relatives· Erebidae

Sources: iNaturalist taxon 125957, Wikidata Q171380, GBIF 1807206, Wikipedia (EN), Wikipedia (NL). Intro text from Wikipedia (CC BY-SA 4.0).Updated 2026-10-24.

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