Photo 1962178, (c) Paul Cools, some rights reserved (CC BY-NC), uploaded by Paul Cools

Attribution © Paul Cools some rights reserved Uploaded by paulcools Source iNaturalist Associated observations Photos / Sounds What Dusky Large Blue (Phengaris nausithous) Observer paulcools Date July 21, 2009 04:07 PM BST Place Netherlands (Google, OSM) Date Added June 5, 2015 08:02 PM BST 2 IDs Research Grade View Sizes small medium large original