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#4421 · 🕷️ spiders & kin

Eastern Black-legged Tick

🇳🇱 Amerikaanse hertenteek ·Ixodes scapularis

🕷️ Spiders & kin 📍 outside Europe
Eastern Black-legged Tick, photo 1 of 10
1/10 © Jason M Crockwell · CC BY-NC-ND 4.0

what is it?

Ixodes scapularis is commonly known as the deer tick or black-legged tick (although some people reserve the latter term for Ixodes pacificus , which is found on the West Coast of the USA), and in some parts of the USA as the bear tick . It is a hard-bodied tick (family Ixodidae) of the eastern and northern Midwestern United States. It is a vector for several diseases of animals, including humans (Lyme disease, babesiosis, anaplasmosis, Powassan virus disease,...

base stats

  • NL sightings 0iNaturalist, research grade
  • worldwide 18,189iNaturalist 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

  • No confirmed wild sightings in the Netherlands on iNaturalist: you'd have to travel for this one.
  • 18,189 observations worldwide on iNaturalist.
  • Scientifically named by Thomas Say in 1821 (205 years ago).

fact sheet

English
Eastern Black-legged Tick
Nederlands
Amerikaanse hertenteek
scientific name
Ixodes scapularis
class
Arachnida
order
Ixodida
family
Ixodidae
sightings in NL
0
sightings worldwide
18,189
GBIF records in NL
0
weight
—
length
—
lifespan
—
named
1821 by Thomas Say

relatives· Ixodidae

Sources: iNaturalist taxon 60598, Wikidata Q1497962, GBIF 2182727, Wikipedia (EN). Intro text from Wikipedia (CC BY-SA 4.0).Updated 2026-10-24.

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