NS3878 : Leaf galls on Redshank

taken 3 years ago, near to Renton, West Dunbartonshire, Great Britain

Leaf galls on Redshank
Leaf galls on Redshank
The plant is beside a path, NS3977 : Strathleven Walk. Several galled examples were in this area. None of them were in flower; however, on a few of them, some of the less affected leaves had a dark spot at the centre, making it easy to identify the plants as NS3977 : Redshank (Persicaria maculosa).

The picture shows the bright colours of the galls; the leaf is also considerably thickened, and its margin is rolled downwards. These galls are fairly common, and they are caused by a gall midge, Wachtliella persicariae.
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NS3878, 216 images   (more nearby )
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Date Taken
Wednesday, 27 August, 2014   (more nearby)
Friday, 5 September, 2014
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Subject Location
OSGB36: geotagged! NS 3898 7808 [10m precision]
WGS84: 55:58.1183N 4:34.8911W
Camera Location
OSGB36: geotagged! NS 3898 7808
View Direction
Northeast (about 45 degrees)
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Plant Gall 

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