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The Sycamore Acronicta aceris Length 24-26mm. A subtly-marked moth with a slightly powdery look to its wings; it rests with its wings held flat or in a shallow tent-like manner. Adult has pale grey to sooty grey forewings with indistinct darkish cross lines. Flies June-Aug. Larva is striking, and covered in orange and yellow hairs; black-ringed white spots can be seen along the back. Feeds on Sycamore, Field Maple and Horse-chestnut. Common only in southeast England.