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Wall Brown Lasiommata megera Wingspan 45mm. A well-marked, sun-loving butterfly. Adult has orange-brown upperwings; patterns and colour recall a fritillary butterfly but note the small eyespots on the wings. Double-brooded: flies April–May and July–September. Larva feeds on grasses and is strictly nocturnal. Widespread in England and Wales but declining and now rather scarce; easiest to see on grassy heaths and on coasts.