The nematode Subanguina graminophila causes galls to form on grasses in the Agrostis (Bent) family. The galls take the form of a purplish or reddish swelling, usually near the base of the leaf blade.
Gall: Unless identified by a recognised expert, a photo is required. If the photo doesn't show the key ID features then in the comments box describe the size and identifying characters you have observed. For this species identification of the host grass is crucial and a photo of the grass supporting your record would be helpful.
Grassy areas where Agrostis species occur.
True status in Britain is difficult to determine due to lack of records.
Status in Leicestershire and Rutland not known.
Leicestershire & Rutland Map
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Yellow squares = NBN records (all known data)
Coloured circles = NatureSpot records: 2020+ | 2015-2019 | pre-2015