Figure 4 from: Billen J, Justino CEL, Carnimeo FH, Noll FB (2017) Morphology and ultrastructure of the Dufour gland of Myzinum sp. (Tiphiidae). Journal of Hymenoptera Research 55: 109-119. https://doi.org/10.3897/jhr.55.11618

Figure 4 - A Partially dissected gaster of a collection specimen of Myzinum sp.1, showing the dorsally curved sting (arrow) B Overview of sting (Myzinum sp.1) C Longitudinal semithin section through the posterior abdomen part of Myzinum sp.2 female, showing upward curved sting (st). DGr: Dufour gland reservoir, HG: hindgut.