Uncommon local resident by rivers, canals and in marshes.

Glyceria maxima with larva mining leaves in April/May and July, making pale green mines which later turn reddish-brown. Pupates on an unmined leaf under a flimsy silk spinning.

	Determination by Genitalia Examination (gen. det.) Required

Recorded in 16 (11%) of 140 10k Squares. First Recorded in 1950. Last Recorded in 2022. (Data up to end 2022) Additional Stats

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