Figure 2 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 2 - A Semithin section through the Dufour gland reservoir sac (DGr) and duct region (DGd) in Myzinum sp.1. The arrowheads indicate the transition between the reservoir and duct region B Detail of crenellate epithelial lining of reservoir sac with strands of surrounding muscle fibres (MF) C Schematical view of cupola-like shape of gland cell. bi: basal invaginations, ct: cuticle, lcj: lateral cell junction, mv: microvilli, N: nucleus.