Morley’s Final Catalogue: Polyphagous, and common. Copdock (Hkg); Bentley, Shrubland, Staverton (Whit.); Ipswich (Ml); Glemham Magna (Bloomf.); rare at Monks Soham light in August, and Fritton sugar in September (Mly); Flixton (Ctw).
Recent Status: Common across Suffolk.
Life Style: A single brooded species flying from June to September. The larvae feed from a slight web on leaves of Quercus, Corylus, Betula, Carpinus and Alnus. They pupate in a brown cocoon in various locations.
Identification: A relatively broad winged species with an easily recognised distinctive patterning. The costa is broadly arched. The white part of the wing can occasionally be absent.
Verification Grade Comment: To allow for dark forms
Recorded in 30 (52%) of 58 10k Squares.
First Recorded in 1974.
Last Recorded in 2019.