Moths & butterflies known to feed on lyme grass (Leymus arenarius):

Species Status Match
Rosy minor
Litoligia literosa
Near Threatened this species
The crescent
Helotropha leucostigma
LC this species
Lyme grass
Longalatedes elymi
LC this species

Host-plant data: Cook et al. (2025), Traits data for the butterflies and macro-moths of Great Britain and Ireland, 2024, UK Centre for Ecology & Hydrology / Butterfly Conservation; and Padovani et al. (2020), Database of Insects and their Food Plants (DBIF), UK Centre for Ecology & Hydrology (both Open Government Licence). Contains data supplied by UK Centre for Ecology & Hydrology.