General comments:
Widespread resident.

There are two generations per year. The first is reared from larvae that feed in the buds of a Sycamore tree (Acer pseudoplatanus to give adults in August. Second generation larvae feed in the blade, but apparently not in the seed, of sycamore keys, leaving these and overwintering on the ground before climbing trunks to pupate the following May. This moth is surely under-recorded and should be easily found by examining Sycamore keys in winter.

Recorded in 25 (61%) of 41 10k Squares. First Recorded in 1966. Last Recorded in 2023. Additional Stats

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