Figure 7 from: Shaw M, Jennings M, Quicke D (2011) The identity of Scambus planatus (Hartig, 1838) and Scambus ventricosus (Tschek, 1871) as seasonal forms of Scambus calobatus (Gravenhorst, 1829) in Europe (Hymenoptera, Ichneumonidae, Pimplinae, Ephialtini). Journal of Hymenoptera Research 23: 55-64. https://doi.org/10.3897/jhr.23.1974

Figure 7 - Ovipositor, dorsal aspect, of Scambus calobatus ("planatus" morph) killed within 2 days of egress from an acorn.