Tuesday evening, 6th May Twywell Hills and Dales. Roosting butterflies and caterpillar crawl. Searching for roosting Grizzled and Dingy Skippers in the early evening and then looking for caterpillars of grassland species as it gets dark. Torch and good footwear will be needed. Meet in the main car park at 6.30pm. Grid Ref. SP938772 Leaders Andy Wyldes and Doug Goddard.