A sawfly female Abia lonicerae [Soortenregister], a new garden species. The wasp sat on Garlic mustard (Alliara petiolata) flowers underneath the Honeysuckle (Lonicera sp.), one of its host plants [Liston et al. 2014], but it was unclear whether she was foraging.

Literature
Liston et al. 2014 Liston, A. D., Savina, H., Nagy, Z. T., Sonet, G., & Boeve, J. L., 2014. Taxonomy, phylogeny and host plants of some Abia sawflies (Hymenoptera, Cimbicidae). Zootaxa, 3821(1), 125-132.Soortenregister Nederlands Soortenregister