A new garden species, Ectemnius continuus [1,2,3]. The males are frequent visitors on the bee hotels where they use empty nestholes to spend the night [4].
They arrive towards the end of the day and start looking for a suitable spot, which may take a while before they make their final choice.
(caught for identification, see here specimen-2)
(caught for identification, see here specimen-3)
Another male that I’ve caught for identification, see here.
Literature
1 Nederlands Soortenregister2 KLEIN, Wim. De graafwespen van de Benelux. Jeugdbondsuitgeverij, Utrecht, 1996, 1-130. + KLEIN, Wim. De graafwespen van de Benelux: supplement. Jeugdbondsuitgeverij, 1999.
3 JACOBS, H. J (2007): Die Grabwespen Deutschlands Ampulicidae. Sphecidae, Crabronidae–Bestimmungsschlüssel in Blank, SM & Taeger, A (Hrsg): Die Tierwelt Deutschlands und der angrenzenden Meeresteile nach ihren Merkmalen und nach ihrer Lebensweise, Hymenoptera III–Keltern, Goecke & Evers, 79: 1-207.
4 Breugel, P. van 2014. Gasten van bijenhotels. – EIS Kenniscentrum Insecten en andere ongewervelden & Naturalis Biodiversity Center, Leiden.
