#4221 · 🕷️ spiders & kin

alder vein angle gall

🇳🇱 Elzennerfhoekmijt ·Eriophyes inangulis

10 photos from iNaturalist (Creative Commons) · credits & licences

1. © Dariusz Kamiński · CC BY-NC 4.0
2. © ðejay (Orkney) · CC BY-NC 4.0
3. © Michael Wong · CC BY-NC 4.0
4. © Paul Cook · CC BY 4.0
5. © ðejay (Orkney) · CC BY-NC 4.0
6. © Kathy Vivian · CC BY-NC 4.0
7. 9351 JX Leek, Netherlands:© Joren van Schie · CC BY-NC 4.0
8. 3985 Werkhoven, Nederland:© Marsel · CC BY-NC 4.0
9. Lisse, Nederland:© Michel Langeveld · CC BY 4.0
10. Woensel-Noord, Eindhoven, Nederland:© Lars Willighagen · CC BY 4.0

what is it?

Eriophyes inangulis is a mite that forms the alder vein angle gall. It develops in a chemically induced gall; a sub-spherical distortion rising up from the upper surface of the leaves of alder trees Alnus glutinosa along the midrib. Synonyms are Eriophyes laevis inangulis , Phytoptus laevis , and Cephaloneon pustulatum .

base stats

NL sightings 86iNaturalist, research grade
worldwide 1,978iNaturalist 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 86 times in the Netherlands on iNaturalist: the #36 most seen of the spiders & kin in NL.
1,978 observations worldwide on iNaturalist.
Scientifically named by Alfred Nalepa in 1919 (107 years ago).