Figure 9 from: Oliva A (2012) A new species of Oxelytrum Gistel (Coleoptera, Silphidae) from southern Argentina, with a key to the species of the genus. ZooKeys 203: 1-14. https://doi.org/10.3897/zookeys.203.2837

Figure 9 - Oxelytrum discicolle and Oxelytrum cayennense, male genitalia. A Oxelytrum discicolle, male genitalia in dorsal aspect, showing narrow paramera dilated on apical one-eight and median lobe shorter than paramera, very broad, spindle-shaped. Scale bar = 1 mm. B Idem, apices of distal pieces with partly everted internal sac, showing a pair of sclerites. Scale bar = 0.5 mm. C Oxelytrum cayennense, male genitalia in dorsal aspect, showing paramera curved inwards, median lobe shorter than paramera, gradually acuminate. Scale bar = 500 μm.