---
title: "Beukengalmug"
description: "Mikiola fagi — Insecten en spinnen. Mikiola fagi, the beech gall midge is a gall-causing fly in the family Cecidomyiidae."
canonical: https://animalchecklist.com/nl/animal/beech-gall-midge
last_updated: 2026-09-20
---

# Beukengalmug

> Mikiola fagi — Insecten en spinnen. Mikiola fagi, the beech gall midge is a gall-causing fly in the family Cecidomyiidae.

- Scientific name: *Mikiola fagi*
- Category: `insects` (Insecten en spinnen)
- Habitats: `forest` (Bos)
- iNaturalist observations: 9751
- Wikidata: [Q1647037](https://www.wikidata.org/wiki/Q1647037)
- iNaturalist taxon: [244644](https://www.inaturalist.org/taxa/244644)

## Names

- en: Beech Gall Midge
- de: Buchengallmücke
- fr: Cécidomyie du hêtre
- nl: Beukengalmug
- pl: Pryszczarek bukowiec

## Countries with the most observations

DE (2739), FR (1160), AT (800), IT (685), DK (652), CZ (497), PL (475), GB (453), BE (276), CH (270), SI (216), ES (189)

## Summary

Mikiola fagi, the beech gall midge is a gall-causing fly in the family Cecidomyiidae. This species was first described by Theodor Hartig in 1839.

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

## Photo

![Beukengalmug](https://animalchecklist.com/img/animals/beech-gall-midge/medium.jpg)

Photo: Christian Kahle · CC0 · inaturalist — https://www.inaturalist.org/observations/26681209

## Machine access

`GET https://animalchecklist.com/api/v1/animals/beech-gall-midge?lang=nl` — see [openapi.json](https://animalchecklist.com/openapi.json).