Aequsomatus annulatus
The gall mite Aequsomatus annulatus causes galls to form on the leaves of Buckthorn. An erineum is visible between the veins on the underside of the leaf, the blade becomes thickened and sometimes hairy on the upperside.
Where Buckthorn occurs.
When Buckthorn is in leaf.
It is difficult to determine the exact status in Britain due to lack of records.
Status in Leicestershire and Rutland not known.
Mark Skevington
Cosby
30 August 2023
erineum gall on Buckthorn
Mark Skevington
Cosby
30 August 2023
Mark Skevington
Cosby
30 August 2023
detail of erineum
(note that the mite and larva in the image are not the causers).
Leicestershire & Rutland Map
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MAP KEY:
Yellow squares = NBN records (all known data)
Coloured circles = NatureSpot records: 2025+ | 2020-2024 | pre-2020
UK Map
Species profile
- Species group:
- Mites, Ticks & Pseudoscorpions
- Kingdom:
- Animalia
- Order:
- Trombidiformes
- Family:
- Eriophyidae
- Records on NatureSpot:
- 6
- First record:
- 13/07/2016 (Grimes, Martin)
- Last record:
- 17/07/2024 (lemmon, roy)
Total records by month
% of records within its species group
10km squares with records
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