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#4347 · 🕷️ spiders & kin

Northern Yellow Sac Spider

🇳🇱 Gele spoorspin ·Cheiracanthium mildei

🕷️ Spiders & kin 📍 in the Netherlands
Northern Yellow Sac Spider, photo 1 of 10
1/10 © Marcello Consolo · CC BY-NC-SA 4.0

what is it?

Cheiracanthium mildei is a species of spider from the Eutichuridae family. C. mildei is commonly known as the northern yellow sac spider , a name it shares with many other spiders of its genus.

base stats

  • NL sightings 1iNaturalist, research grade
  • worldwide 27,479iNaturalist 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 1 times in the Netherlands on iNaturalist.
  • 27,479 observations worldwide on iNaturalist.
  • Scientifically named by Ludwig Carl Christian Koch in 1864 (162 years ago).

fact sheet

English
Northern Yellow Sac Spider
Nederlands
Gele spoorspin
scientific name
Cheiracanthium mildei
class
Arachnida
order
Araneae
family
Cheiracanthiidae
sightings in NL
1
sightings in Europe
1,097
sightings worldwide
27,479
GBIF records in NL
10
weight
—
length
—
lifespan
—
named
1864 by Ludwig Carl Christian Koch

Sources: iNaturalist taxon 61869, Wikidata Q739787, GBIF 2164198, Wikipedia (EN), Wikipedia (NL). Intro text from Wikipedia (CC BY-SA 4.0).Updated 2026-10-24.

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