Figure 5 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 5 - Meladema species males, elytral shoulder sculpture SEMs (DNA voucher codes, where applicable). A M. coricaea, Spain, Murcia, Fte. Caputa B M. lepidoptera sp. n., Corsica, Cap Corse (NHM-IRM12F) C M. imbricata, La Gomera, El Cedro (NHM-IRM3A) D M. lanio, Madeira, Ribeira dos Cedros (NHM-IRM8A).