Grass Wave. © 2019 - 2024 Butterfly Conservation.
The Grass Wave is avery local and uncommon species in our region and now can only be found at Sutton Park in low numbers.
There is a single brood each year with the adult moths on the wing from dusk in May and June although there have been records of individuals in August, suggesting a possible second brood.
Please note: From February 2023 all sightings records should be submitted via the iRecord Butterflies app available via the iTunes or Google Store. Find out more here: iRecord at Butterfly Conservation.