Figure 8 from: Ulmer JM, Mikó I, Deans AR, Krogmann L (2021) The Waterston's evaporatorium of Ceraphronidae (Ceraphronoidea, Hymenoptera): A morphological barcode to a cryptic taxon. Journal of Hymenoptera Research 85: 29-56. https://doi.org/10.3897/jhr.85.67165

Figure 8 Acrotergal calyx within genera of Ceraphron Group (brightfield) ACeraphron (Pristomicrops) sp. BPteroceraphron mirabilipennisCCyoceraphron striatopleuralis. Genera within the Ceraphron group which have the acrotergal calyx and bulla (bul) well separated. The evaporatorium extends up the lateral walls of the bulla in P. mirabilipennis (chr. 5)