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#3837 · 🪰 flies & mosquitoes

Hairy Beech Gall

🇳🇱 Beukenhaargalmug ·Hartigiola annulipes

🪰 Flies & mosquitoes 📍 in the Netherlands
Hairy Beech Gall, photo 1 of 10
1/10 © Gilles San Martin · CC BY-SA 4.0

what is it?

Hartigiola annulipes is a species of fly in the family Cecidomyiidae which is found in the Palearctic. The larvae gall the leaves of beech ( Fagus species).

base stats

  • NL sightings 78iNaturalist, research grade
  • worldwide 2,839iNaturalist 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 78 times in the Netherlands on iNaturalist.
  • 2,839 observations worldwide on iNaturalist.
  • Scientifically named by Theodor Hartig in 1839 (187 years ago).

fact sheet

English
Hairy Beech Gall
Nederlands
Beukenhaargalmug
scientific name
Hartigiola annulipes
class
Insecta
order
Diptera
family
Cecidomyiidae
sightings in NL
78
sightings in Europe
2,723
sightings worldwide
2,839
GBIF records in NL
3,286
weight
—
length
—
lifespan
—
named
1839 by Theodor Hartig

relatives· Cecidomyiidae

Sources: iNaturalist taxon 547095, Wikidata Q13626411, GBIF 1596560, Wikipedia (EN), Wikipedia (NL). Intro text from Wikipedia (CC BY-SA 4.0).Updated 2026-10-24.

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