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#2711 · 🦋 butterflies & moths

September Thorn

🇳🇱 Gehakkelde spanner ·Ennomos erosaria

🦋 Butterflies & moths 📍 in the Netherlands
September Thorn, photo 1 of 10
1/10 © Юрій Бенгус · CC BY-NC 4.0

what is it?

Ennomos erosaria , the September thorn , is a moth of the family Geometridae. The species can be found in the Palearctic ecozone in West Europe and from central Scandinavia its range extends to the Northern Mediterranean and East to the Caucasus and Russia.

base stats

  • NL sightings 62iNaturalist, research grade
  • worldwide 3,153iNaturalist 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 62 times in the Netherlands on iNaturalist.
  • 3,153 observations worldwide on iNaturalist.
  • Scientifically named by Ignaz Schiffermüller in 1775 (251 years ago).

fact sheet

English
September Thorn
Nederlands
Gehakkelde spanner
scientific name
Ennomos erosaria
class
Insecta
order
Lepidoptera
family
Geometridae
sightings in NL
62
sightings in Europe
2,837
sightings worldwide
3,153
GBIF records in NL
5,295
weight
—
length
—
lifespan
—
named
1775 by Ignaz Schiffermüller

relatives· Geometridae

Sources: iNaturalist taxon 460200, Wikidata Q24132, GBIF 4524426, Wikipedia (EN), Wikipedia (NL). Intro text from Wikipedia (CC BY-SA 4.0).Updated 2026-10-24.

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