I would like to know which species this is
It concerns this observation
http://waarneming.nl/waarneming/view/120178558 (http://waarneming.nl/waarneming/view/120178558)
identification uncertain Tenthredopsis sordida observed at 2016-06-11 Utrecht - Gagelbos
Photos:
(http://waarneming.nl/fotonew/4/11157884.jpg)
thanks in advance David Kohl