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#2505 · 🦋 butterflies & moths

Oak Hook-tip

🇳🇱 Gele eenstaart ·Watsonalla binaria

🦋 Butterflies & moths 📍 in the Netherlands
Oak Hook-tip, photo 1 of 10
1/10 © Michał Brzeziński · CC BY-NC 4.0

what is it?

The oak hook-tip ( Watsonalla binaria ) is a moth of the family Drepanidae. It is sometimes placed in the genus Watsonalla . It is found in most of Europe except the far north. It is quite common in England and Wales but not found in Scotland and only recently in Ireland.

base stats

  • NL sightings 225iNaturalist, research grade
  • worldwide 7,759iNaturalist 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 225 times in the Netherlands on iNaturalist.
  • 7,759 observations worldwide on iNaturalist.
  • Scientifically named by Johann Siegfried Hufnagel in 1767 (259 years ago).

fact sheet

English
Oak Hook-tip
Nederlands
Gele eenstaart
scientific name
Watsonalla binaria
class
Insecta
order
Lepidoptera
family
Drepanidae
sightings in NL
225
sightings in Europe
6,586
sightings worldwide
7,759
GBIF records in NL
34,336
weight
—
length
—
lifespan
—
named
1767 by Johann Siegfried Hufnagel

relatives· Drepanidae

Sources: iNaturalist taxon 324758, Wikidata Q1301473, GBIF 1952806, Wikipedia (EN), Wikipedia (NL). Intro text from Wikipedia (CC BY-SA 4.0).Updated 2026-10-24.

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