Habitat: Elm trees Ulmus spp. in all suitable habitats, such as woodland edges, hedges and even solitary large elms in gardens. Elms, with an open, sunny, southern aspect are preferred.
Flight Period: Late June to mid-August.
Wingspan 25–35 mm.
Caterpillar Food Plant – Elms
Life Cycle - click on image
Above The Charts show the distribution over the last 5 years widespread but may be overlooked The Population Trend from Transect Records considered stable despite great increase in 2017 Phenology from Casual Records