---
title: "Szpeciel jesionowiec"
description: "Aceria fraxinivora — Owady i pająki. Aceria fraxinivora, also known as the cauliflower gall mite and the ash key gall, causes the growths, known as galls, found on the hanging seeds or \"keys\" of the ash (Fraxinus) species."
canonical: https://animalchecklist.com/pl/animal/ash-key-gall-mite
last_updated: 2026-09-20
---

# Szpeciel jesionowiec

> Aceria fraxinivora — Owady i pająki. Aceria fraxinivora, also known as the cauliflower gall mite and the ash key gall, causes the growths, known as galls, found on the hanging seeds or "keys" of the ash (Fraxinus) species.

- Scientific name: *Aceria fraxinivora*
- Category: `insects` (Owady i pająki)
- Habitats: `forest` (Las)
- iNaturalist observations: 1469
- Wikidata: [Q50363814](https://www.wikidata.org/wiki/Q50363814)
- iNaturalist taxon: [857059](https://www.inaturalist.org/taxa/857059)

## Names

- en: Ash Key Gall Mite
- de: Eschengallmilbe
- fr: Phytopte du frêne
- pl: Szpeciel jesionowiec

## Countries with the most observations

GB (363), DE (119), FR (75), AT (64), ES (44), CZ (30), PL (19), NL (15), BE (12), HU (12), DK (10), UA (9)

## Summary

Aceria fraxinivora, also known as the cauliflower gall mite and the ash key gall, causes the growths, known as galls, found on the hanging seeds or "keys" of the ash (Fraxinus) species.

Text: Wikipedia (en), CC BY-SA 4.0 — https://en.wikipedia.org/wiki/Aceria_fraxinivora

## Photo

![Szpeciel jesionowiec](https://animalchecklist.com/img/animals/ash-key-gall-mite/medium.jpg)

Photo: Charles Joynson · CC0 · inaturalist — https://www.inaturalist.org/observations/306733183

## Machine access

`GET https://animalchecklist.com/api/v1/animals/ash-key-gall-mite?lang=pl` — see [openapi.json](https://animalchecklist.com/openapi.json).