Norfolk status Scarce. One of three rather similar British species. Much larger pure-white markings on leading edge of forewing than other two similar 'pinions'. Elm feeder, suffered greatly by outbreaks of Dutch Elm Disease in the 1970s onwards.
Look for larvae in epicormic growth (shoots growing directly from trunk)
Very few recent records.
Record confirmation required.
BAP Priority Species
Verification Grade Comment: Very rare.
Retained Specimen / Photograph will be Required.
Recorded in 16 (22%) of 74 10k Squares. First Recorded in 1800. Last Recorded in 2021. Additional Stats