Figure 20 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 20 - Meladema species, variation in male median lobes, lateral view. A–N M. coriacea; O–U M. lepidoptera sp. n. (DNA voucher codes, where applicable). A Spain, Huesca, Bernués (IBE-DV292) B Spain, Girona, Port Bou (IBE-DV-293) C Spain, Tarragona, Esblada D Spain, Cáceres, nr. Plasencia E Spain, Murcia, Fte. Caputa (NHM-IRM13) F Spain, Córdoba, Baena (NHM-IRM14C) G Tenerife, Chamorga (MNCN-AI1095) H Morocco, Oued Massa (NHM-IRM2A) I Morocco, Tazekka (NHM-IRM1C) J Morocco, Sidi-Ibrahim (NHM-IR7) K Algeria, Aïn Damous (MNCN-HI6) L Italy, Sicily, Bosco Ficuzzo (IBE-AN691) M Greece, Poros, Kampos N Greece, Ios O–P Corsica, Francardo Q holotype, Corsica, Cap Corse (NHM-IRM12E) R Italy, Montecristo (IBE-DV289) S Sardinia, Villagrande Strìsaili (IBE-RA5) T Italy, Elba, Pomonte (IBE-AN692) U Italy, Tuscany, S. Luce (IBE-AN693). Scale bar = 1 mm.