Keywords: Helophilus pendulus (Hoverfly sp.), Arnhem, the Netherlands.jpg en Helophilus pendulus Hoverfly sp Arnhem the Netherlands nl Helophilus pendulus Gewone Pendelvlieg Arnhem Nederland 2013-08-10 12 00 00 own Bj schoenmakers thumb left 120px 51 9433455859 5 84824930876 cc-zero Helophilus pendulus Diptera of the Netherlands |