Norfolk status One of the largest moths regularly visiting gardens. It is usually single brooded and flies from May to July, but a second brood emerging in August and September can occur.
Smooth bright green caterpillars have yellow stripes and a horn at the tail. Besides poplar, the larvae may feed on aspen, sallow and willows.
Recorded in 68 (92%) of 74 10k Squares. First Recorded in 1834. Last Recorded in 2024. Additional Stats
