Found in damp places during July and August. Larvae feed on a range of grasses and reeds.
First recorded on the Outer Hebrides in 2009 and over the last 9 years the population has increased and expanded onto the neighbouring islands of Benbecula, North Uist and Eriskay
Johnson, C. (2018) Drinker (Euthrix potatoria) in the Outer Hebrides. Hebridean Naturalist, 18, 67-71.