Fig. 5 in Occurrence And Abundance Of Invasive And Native Arion Slugs In Three Types Of Habitats In Urban Area Of Wrocław (Sw Poland)

Fig. 5. Distal parts of the genitalia of Arion rufus: (a) upper atrium, (b) atrium opened to reveal the C-shaped ligula; Arion vulgaris: (c) long dilated part of oviduct, (d) distal oviduct opened to reveal the elongate, symmetric ligula; hybrid: (e) copulatory organ, (f) copulatory organ opened to reveal the ligula with an appearance of an oval plate. Abbreviations: co – copulatory organ, do – dilated oviduct, ep – epiphallus, li – ligula, ua – upper atrium. Scale bar 5 mm