FIGURES 15–20. Gonocoxite and last female tergite. 15, gonocoxite of Gymnochthebius fossatus. 16, last female tergite of G. fossatus. 17, gonocoxite of Ochthebius attritus. 18, last female tergite of O. attritus. 19, gonocoxite of Hydraena decui. 20, last female tergite of H. decui. Scale = 0.1 mm.Published as part of <i>DELER-HERNÁNDEZ, ALBERT & DELGADO, JUAN A., 2012, The Hydraenidae of Cuba (Insecta: Coleoptera) I: Contribution to the fauna of eastern Cuba, pp. 213-238 in Zootaxa 3478 (1)</i> on page 223, DOI: 10.11646/zootaxa.3478.1.23, <a href="http://zenodo.org/record/10096657">http://zenodo.org/record/10096657</a>