Dasineura fraxinea


The larva of the gall midge Dasineura fraxinea causes galls to form on Ash (Fraxinus).  The galls are in the leaf blade, 3 to 8 mm diameter with an irregular opening at the underside; often several in a leaflet. Larva solitary, white. 

Identification difficulty
Recording advice

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Where Ash is present.

When to see it

Galls may be found when Ash is in leaf.

Life History

Univoltine, hibernation in the soil.

UK Status

Fairly widespread in Britain.

VC55 Status

Status in Leicestershire and Rutland not known.

Leicestershire & Rutland Map


Yellow squares = NBN records (all known data)
Coloured circles = NatureSpot records: 2020+ | 2015-2019 | pre-2015

UK Map

Species profile

Species group:
Craneflies, Gnats & Midges
Records on NatureSpot:
First record:
10/11/2022 (lemmon, roy)
Last record:
05/07/2023 (Timms, Sue)

Total records by month

% of records within its species group

10km squares with records

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