Field Maple, Common Maple, Hedge Maple: Possible types of damage
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Field Maple, Common Maple, Hedge Maple: Possible types of damage

 

Artist's bracket
Artist's bracket (Ganoderma lipsiense)
Zoned, grey-brown tree fungus
Damage due to road salting
Damage due to road salting
Leaf spot and needle blight due to road salting
Drought damage
Drought damage
Threatens surface-rooted trees
Hairy bracket
Hairy bracket (Trametes hirsuta)
Whitish-grey tree fungus with a dark border
Horse chestnut leaf miner
Horse chestnut leaf miner (Cameraria ohridella)
Leaf fall caused by larvae of the miner moth
Leaf cutter bee
Leaf cutter bee (Megachile)
Elongated and circular pieces cut out from the edge of leaves
Leaf spot disease
Leaf spot disease (Cristulariella depraedans)
Small, grey-white spots on maple leaves
Leaf spot on common maple
Leaf spot on common maple (Didymosporina aceris)
Black leaf spot on common maple caused by fungal infection
Leopard moth
Leopard moth (Zeuzera pyrina)
Galleries burrowed by grubs feeding in shoots and branches
Powdery mildew
Powdery mildew (Microsphaera sp)
Intensive deposit on leaves which can also be wiped off
Red banded polypore
Red banded polypore (Fomitopsis pinicola)
Tree fungus with a flexible range of colours
Velvet shank
Velvet shank (Flammulina velutipes)
Frost-resistant tree fungus with a dark, velvety stem