Aceria pseudoplatani
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A. pseudoplatani
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| Aceria pseudoplatani |
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Eriophyes pseudoplatani[2] |
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Aceria pseudoplatani causes the Sycamore Felt Gall that is found on the leaves of Sycamores (Acer pseudoplatanus) or Norway Maple (Acer platanoides),[3] and is caused by an acarine gall-mite.
Appearance
The gall forms a bulge on the upper epidermis where the pigment colour is usually light yellow to start with and brown later on in the year. The appearance on the lower epidermis is a concavity with cream or white coloured felt-like mat which later turns brown.[2][4] The bulge is due to the erinae or hairs being wider at their top. In purple-leaved varieties of the sycamore the patches are pink.[3] The size of the felt-like patches is variable and they may appear from late spring onwards.[5]
Distribution
The Sycamore Felt Gall is quite common and is widespread through the United Kingdom[6] and is also recorded from Poland, Belgium and Germany.[7]
References
Notes;
- ↑ European Environment Agency Retrieved : 2013-07-05
- ↑ 2.0 2.1 Hancy, Page 83
- ↑ 3.0 3.1 Plant Galls Retrieved : 2013-07-05
- ↑ Redfern, Page 274
- ↑ Darlington, Page 125
- ↑ Naturespot Retrieved : 2013-07-05
- ↑ Encyclopedia of Life Retrieved : 2013-07-05
Sources;
- Darlington, Arnold (1975). Plant Galls in Colour. Poole : Blandford Press. ISBN 0-7137-0748-8.
- Hancy, Rex (2000). The Study of Plant Galls in Norfolk. The Norfolk & Norwich Naturalists' Society.
- Redfern, Margaret & Shirley, Peter (2002). British Plant Galls. Identification of Galls on Plants and Fungi. Shrewsbury : FSC Publications. ISBN 1-85153-214-5.
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