Figs 1-9 in Updates on the little-known Firminus maltensis, with revisited classification based on the anatomy of everted endophallus (Coleoptera: Scarabaeidae, Melolonthinae)

Figs 1-9 – Everted endophalli in lateral view (1, 4, 6, 8) and frontal view (2, 3, 5, 7, 9), with detail of frontal raspulae (3, not to scale); 1-3, Rhizotrogus maltensis (Gozo, Dwejra bay); 4-5, R. aestivus (Greece, Metosvon, Katara); 6-7, Firminus punicus (Algerie, Forêt Akfadou); 8-9, F. bellieri (Corsica, Lago di Capitello). ED: ejaculatory ductus, FP: frontal projection, FR: frontal raspulae, FS: frontal split, FSB: filiform setal band, LR: lateral raspulae, T: tigillum, ULD: upper lateral diverticula.