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#4257 · 🕷️ spiders & kin

Alder Leaf Gall Mite

🇳🇱 Elzenwratmijt ·Eriophyes laevis

🕷️ Spiders & kin 📍 in the Netherlands
Alder Leaf Gall Mite, photo 1 of 7
1/7 © John P · CC BY-NC 4.0

what is it?

Eriophyes laevis is a gall mite which makes small, pimple-like galls on the leaves of alder ( Alnus species). The mite was first described by the Austrian zoologist, Alfred Nalepa in 1889 and is found in Europe and North America.

base stats

  • NL sightings 37iNaturalist, research grade
  • worldwide 5,156iNaturalist 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 37 times in the Netherlands on iNaturalist.
  • 5,156 observations worldwide on iNaturalist.
  • Scientifically named by Alfred Nalepa in 1889 (137 years ago).

fact sheet

English
Alder Leaf Gall Mite
Nederlands
Elzenwratmijt
scientific name
Eriophyes laevis
class
Arachnida
order
Sarcoptiformes
family
Eriophyidae
sightings in NL
37
sightings in Europe
2,334
sightings worldwide
5,156
GBIF records in NL
1,423
weight
—
length
—
lifespan
—
named
1889 by Alfred Nalepa

relatives· Eriophyidae

Sources: iNaturalist taxon 464223, Wikidata Q10488186, GBIF 6913634, Wikipedia (EN), Wikipedia (NL). Intro text from Wikipedia (CC BY-SA 4.0).Updated 2026-10-24.

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