Figures 12-18 from: Miller KB (2016) New species of Bidessonotus Régimbart, 1895 with a review of the South American species (Coleoptera, Adephaga, Dytiscidae, Hydroporinae, Bidessini). ZooKeys 622: 95-127. https://doi.org/10.3897/zookeys.622.9155

Figures 12-18 - Bidessonotus species, male genitalia A median lobe, right lateral aspect B right lateral lobe, right lateral aspect C left lateral lobe, apical segment, left lateral aspect D median lobe apex, oblique right lateral aspect 12 Bidessonotus annae 13 Bidessonotus josiahi 14 Bidessonotus palecephalus 15 Bidessonotus reductus 16 Bidessonotus septimus 17 Bidessonotus spinosus 18 Bidessonotus valdezi.