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#3052 · 🦋 butterflies & moths

Red-underwing Skipper

🇳🇱 Kalkgraslanddikkopje ·Spialia sertorius

LCleast concern 🦋 Butterflies & moths 📍 in Europe, not in NL
Red-underwing Skipper, photo 1 of 10
1/10 © Paul Cools · CC BY-NC 4.0

what is it?

Spialia sertorius , the Red-underwing Skipper , is a butterfly of the family Hesperiidae.

base stats

  • NL sightings 0iNaturalist, research grade
  • worldwide 4,479iNaturalist observations
  • threat LCleast concern

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

  • No confirmed wild sightings in the Netherlands on iNaturalist: you'd have to travel for this one.
  • 4,479 observations worldwide on iNaturalist.
  • Scientifically named by Johann Centurius Hoffmannsegg in 1804 (222 years ago).

fact sheet

English
Red-underwing Skipper
Nederlands
Kalkgraslanddikkopje
scientific name
Spialia sertorius
class
Insecta
order
Lepidoptera
family
Hesperiidae
IUCN Red List
LC · least concern
sightings in NL
0
sightings in Europe
3,381
sightings worldwide
4,479
GBIF records in NL
40
weight
—
length
—
lifespan
—
named
1804 by Johann Centurius Hoffmannsegg

IUCN in Dutch: niet bedreigd. Blank means the sources don't say.

relatives· Hesperiidae

Sources: iNaturalist taxon 362090, Wikidata Q1318000, GBIF 1945569, Wikipedia (EN), Wikipedia (NL). Intro text from Wikipedia (CC BY-SA 4.0).Updated 2026-10-24.

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