Fig. 4 in A revision of Onychelmis Hinton, 1941 (Coleoptera: Elmidae), with description of new species, DNA barcoding and notes on the geography of the genus

Fig. 4. Fifth ventrite of O. lobata sp. nov. A. Male. B. Female. Scale bar = 0.1 mm.Published as part of Linský, Marek, Čiamporová-Zaťovičová, Zuzana & Čiampor, Fedor, 2021, A revision of Onychelmis Hinton, 1941 (Coleoptera: Elmidae), with description of new species, DNA barcoding and notes on the geography of the genus, pp. 1-35 in European Journal of Taxonomy 739 (1) on page 15, DOI: 10.5852/ejt.2021.739.1263, http://zenodo.org/record/460034