Uncommon resident but spreading.

First generation larvae feed in the samaras of Acer platanoides with a short gallery mining into the seeds. Pupation takes place in a cocoon on the surface of the samara which often falls from the tree. The second generation at first mine the petiole before feeding on a flower-bud and then forming a cocoon on this. Both generations may also form cocoons on the trunk and adults may also be found resting there.

	Determination by Genitalia Examination (gen. det.) Required

Recorded in 18 (13%) of 140 10k Squares. First Recorded in 2010. Last Recorded in 2023. (Data up to end 2024) Additional Stats

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