Natural History Aston Rowant butterflies of high summer 4 August 2018 Ian Alexander Aston Rowant, full of chalk grassland flowers and insects, the Cretaceous escarpment above the Oxford Clay (Jurassic) plain Male Adonis Blue Female Silver-Spotted Skipper Hesperia comma Sphecid digger wasp Meadow Grasshopper, a fine insect Harvestman cf Platybunus triangularis Red Kite overhead … and a moment later, a Raven, calling loudly, too