A Scarce Large Blue Day

12th August 2017 The weather is calm, cloudy and warm at Les Tourbières de Vendoire; a good day for looking for the scarce large blue Phengaris teleius butterfly, a species now restricted to only a handful of locations in western France. The French name l’azuré de la sanguisorbe is more fitting as the food plant of the freshly emerged caterpillar…