The lucerne leaf roller (Merophyas divulsana) is a species of moth of the family Tortricidae. It is found over the whole of Australia and has also been spotted in New Zealand. The wingspan is about 15 mm. The larvae are considered a pest on various crops and herbaceous garden plants, including Medicago sativa, Daucus carota, Lactuca sativa, Lonicera japonica, Sclerolaena muricata, Pelargonium x zonale, Mentha spicata and Rumex species.