Aceria cerrea

Description

Aceria cerrea mites cause galls on the leaves of Turkey Oak (Quercus cerris). These take the form of blister like bulges with a corresponding depression below which is felted with hairs, some long.

Identification difficulty

Adult Gall

Recording advice

Adult: Unless identified by a recognised expert, a photo is required and the specimen should be examined with a microscope. In the comments box, state the key or ID method used and describe the size and identifying characters.

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.

Habitat

Where Turkey Oak (Quercus cerris) occurs.

When to see it

Galls can be seen when Where Turkey Oak is in leaf.

UK Status

It seems to be spreading in England and becoming more common.

VC55 Status

Rare or rarely recorded in Leicestershire and Rutland.

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Leicestershire & Rutland Map

MAP KEY:

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

UK Map