FIGURES 54–59 in Two new species of Macroplea Samouelle (Coleoptera: Chrysomelidae: Donaciinae) from China, with a key to all known species

FIGURES 54–59. Head, prothorax and pronotum of Macroplea spp. 54–56. M. japana from Jiangsu; 57. M. pubipennis from Ningxia; 58. M. appendiculata from Xinjiang; 59. M. mutica from Tianjin; 54. Head and prothorax, lateral view; 55. Vertex, dorsal view; 56–59. Pronotum, dorsal view. Scale lines = 0.5 mm.