Figure 27 from: Bilton DT, Ribera I (2017) A revision of Meladema diving beetles (Coleoptera, Dytiscidae), with the description of a new species from the central Mediterranean based on molecules and morphology. ZooKeys 702: 45-112. https://doi.org/10.3897/zookeys.702.14787

Figure 27 - Meladema hybrid males, Tenerife, Bco. del Río; isolated elytron, fore and midtarsus, median lobe (lateral and ventral views) and abdominal ventrite 6, respectively (DNA voucher codes). A M. coriacea x imbricata, 600 m (NHM-IRM16A) B M. imbricata x coriacea, 1,600 m (NHM-IRM5B). Scale bars as follows: elytra 5 mm; tarsi, abdominal ventrites, median lobes 1 mm.