Monday, 12 October 2015

Stigmella aceris

Please check your local Norway Maple leaves for the linear mines of Stigmella aceris, which is spreading rapidly NW through Britain and has just reached Monmouth, and the tentiform mines of Phyllonorycter platanoidella, which arrived here at least a decade ago.  If you're feeling really keen you can also examine their keys for Ectoedemia sericopeza, which was added to the county list in Newport in 2011 but is rather tricky to spot.  There are equivalent leaf and key mines made by other Micros on Field Maple and Sycamore, all of which are very under-recorded here.  [for the non-botanist, Norway Maple looks quite a lot like Sycamore but has very much sharper points to its leaf teeth, and is commonly planted in urban areas]


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