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Heath Fritillary - Melitaea athalia - male (top) - typical female (middle) - aberrant female underwing (bottom). Wingspan 45mm. A rather sluggish and slow-flying butterfly. Adult has dark orange brown upperwings with bold dark markings; underwings are creamy-white with chestnut-brown markings. Flies June–July. Larva is blackish with bristly orange spikes; feeds on Common Cow-wheat, Wood-sage or plantains. Rare and local, mainly in southeast and southwest England; favours sunny woodland rides.