Keywords: Willamette valley fenders blue butterfly icaricia icarioides fenderi.jpg A male Fender's blue Butterfly Icaricia icarioides fenderi which is an endangered species of butterfly The largest remaining populations of this species currently exist in Baskett Slough National Wildlife Refuge in the U S State of Oregon http //www fws gov/refuges/mediatipsheet/May_2010/04 html 12694 On or before 30 April 2010 last date webpage was updated Transferred by Fæ on 2013-02-26 Cheryl Schultz for the U S Fish Wildlife Service PD-USGov-Interior-FWS Aricia icarioides Baskett Slough National Wildlife Refuge Public-domain-image com Images uploaded by Fæ |