Aceria geranii
A mite causing galls on the leaves of Geranium species. The leaves are paler than usual, thickened and rolled into a mophead at the shoot tip. The mites live inside the leaves, and are minute, whitish and worm-like; they cannot be seen with the naked eye but are just discernible using a stereo microscope.
Photographs of the galled plant; ensure you have identifed the host plant
rarely recorded
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Yellow squares = NBN records (all known data)
Coloured circles = NatureSpot records: 2025+ | 2020-2024 | pre-2020
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Species profile
- Species group:
- Mites, Ticks & Pseudoscorpions
- Kingdom:
- Order:
- Family:
- Records on NatureSpot:
- 1
- First record:
- 20/07/2024 (Timms, Sue)
- Last record:
- 20/07/2024 (Timms, Sue)
Total records by month
% of records within its species group
10km squares with records
The latest images and records displayed below include those awaiting verification checks so we cannot guarantee that every identification is correct. Once accepted, the record displays a green tick.
In the Latest Records section, click on the header to sort A-Z, and again to sort Z-A. Use the header boxes to filter the list.

