Figs. 52-59 in Guide To The Aquatic Heteroptera Of Singapore And Peninsular Malaysia. V. Hydrometridae

Figs. 52-59: 52-55: Hydrometra julieni Hungerford & Evens; 52 Apex of head, dorsal view showing anteclypeus; 53. Male terminal abdomen, lateral view; 54. Male terminal abdomen, ventral view; 55. Female terminal abdomen, lateral view. 56-59: Hydrometra kelantan Polhemus & Polhemus; 56. Apex of head, dorsal view showing anteclypeus; 57. Male terminal abdomen, lateral view; 58. Male terminal abdomen, ventral view; 59. Female terminal abdomen, lateral view.