• National Status: Mainly found in Scotland but scattered colonies in Wales, Central and Northern England, range declining in England and Wales. Population trend 10 years -49%; since 1976 +261%.
• West Midlands Status: Wem Moss also Fenn’s, Whixall and Bettisford Mosses partly within Shropshire, range stable. Population trend 10 years – increasing.

• Hotspots: See above. Site: Whixall Moss. 

• Habitat: Wet bogs and damp acidic moorland.

• Flight Period: Late May to mid-August. One generation with numbers peaking in late June/early July.

• Wingspan 35–40 mm.

Caterpillar Food Plant:The main foodplant is Hare’s-tail Cottongrass (Eriophorum vaginatum). Common Cottongrass (Eriophorum angustifolium) and Jointed Rush (Juncus articulatus) are also used.

Life Cycle

• Population Trends from Non selected sites direct from UKBMS data,

• Detailed Mapping of Sites on Google Maps 2018
• Detailed Mapping of Sites 2019
• Detailed Mapping of Sites 2021
• Detailed Mapping of Sites 2022
• Detailed Mapping of Sites 2023
• Detailed Mapping of Sites 2024