Norfolk status Widespread. Striking brassy metallic bands on its forewings, typically these two bands are separated. The form tutti has the two vertical brassy bands on the forewing joined forming an “H-shape”.
A valid separate species named Diachrysia stenochrysis also has the two vertical brassy bands on the forewing joined “H-shape”. It is thought that the "H" needs to be at least 3 millimetres wide for it to be considered stenochrysis.
Please note: It is not yet established that Diachrysia stenochrysis occurs in the UK.
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Recorded in 66 (96%) of 69 10k Squares. First Recorded in 1834. Last Recorded in 2016.