A large narrow male Ichneumonid wasp Ichneumon xanthorius [1,2,3,4] ( det. Fons Verheyde ). One of the black-yellow species that visited the garden for the first time this year. The wasp seemed to be always on patrol, with a small brakes every now and then.
Literature
1 Nederlands Soortenregister2 BROAD, Gavin. Identification key to the subfamilies of Ichneumonidae (Hymenoptera). Natural History Museum, London, 2011.
3 PERKINS, James F. Hymenoptera: Ichneumonoidea, Ichneumonidae, key to subfamilies and Ichneumoninae.
4 PERKINS, John Frederick. Hymenoptera, Ichneumonoidea: Ichneumonidae I.[and] Ichneumoninae II, Alomyinae, Agriotypinae and Lycorininae.
