Target species: Marbled White, Small Blue, and other summer butterflies along the Sustrans path on top of the disused railway line from Didcot to Upton.
Around the solstice butterflies will be perching until 22.00, and can be in flight up to 21.00.
Meet at the Village Hall in East Hagbourne. OS Map 174 (SU525883). Some rough ground but along the side of the metalled path.
Leader: Karen Saxl (01235 818574)