following images: File:Große_Eintagsfliege,_mayfly,_Ephemera_danica_2011-05-03_IMG_1125_EDIT2.jpg licensed with Cc-by-sa-3.0, GFDL 2011-05-03T16:35:54Z
Description: Mayfly (Ephemeradanica, V) - Vecht - Datum 20-5-2004 photo taken by Marcel Karssies first upload: Jan 15, 2005 - nl:Wikipedia by nl:User:Marcelk