Aceria pseudoplatani
Description
Aceria pseudoplatani is a gall mite that causes a gall to form on the leaves of Sycamore. The upper surface of the gall is usually distinct and yellowish, with or without a bulge; the underside is white or cream when fresh, browning with age. The gall is seen more frequently than the mite that causes it.
Identification difficulty
Adult 
Gall 
Habitat
On the leaves of Sycamore.
When to see it
Summer when the leaves are present on Sycamore.
UK Status
Widespread and quite common in Britain.
VC55 Status
Fairly frequent in Leicestershire and Rutland.
Graham Calow
Sapcote
21 July 2012
on Sycamore - upper surface
Graham Calow
Sapcote
21 July 2012
on Sycamore - upper surface
Graham Calow
Sapcote
21 July 2012
on Sycamore - underside
Graham Calow
Sapcote
14 May 2014
on Sycamore
Graham Calow
Sapcote
14 May 2014
on Sycamore - underside of leaf
Graham Calow
Sapcote, Old Fosse near Leicester Road Lay-by
30 October 2019
galls on Sycamore
Graham Calow
Sapcote, Old Fosse near Leicester Road Lay-by
30 October 2019
galls on Sycamore
Leicestershire & Rutland Map
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UK Map
Alan Semper
Harby, churchyard
27 August 2013
Alan Semper
Harby, churchyard
27 August 2013
Alan Semper
Brockshill Country Park
06 September 2014
Sycamore
Alan Semper
Brockshill Country Park
06 September 2014
Sycamore
sue
Bagworth, field edge
18 June 2018
David Nicholls
Newtown Linford
15 September 2018
