Keywords: Ephemera vulgata (Ephemeridae sp.), Plasmolen, the Netherlands.jpg en Ephemera vulgata Ephemeridae sp Plasmolen the Netherlands nl Ephemera vulgata Ephemeridae soort Plasmolen Nederland 2014-05-04 12 00 00 own Bj schoenmakers thumb left 120px thumb left 120px 51 7405564416 5 92349097133 cc-zero Ephemera vulgata Insects of the Netherlands |