FIGURES 20–27 in Description of immatures of Mesomphalia gibbosa (Fabricius, 1781) and Mesomphalia turrita (Illiger, 1801) (Coleoptera: Chrysomelidae: Cassidinae: Mesomphaliini)

FIGURES 20–27. Mesomphalia turrita (Illiger, 1801). First-instar larva. 20, mouth parts, general aspect; 21–22, labrum: 21, general aspect; 22, emargination of anterior margin of labrum; 23, part of mandible and anterior margin of labrum laterally; 24, maxillae and labium, general aspect; 25, maxillary palp, labial palp and palpiger; 26–27, labium and premantum: 26, general aspect; 27, labial palp (lp, labial palp; mal, mala; mpI, maxillary palp I; mpII, maxillary palp II; post, postmentum; pp, palpiger; pre, prementum; st, stipes).