Figs. 28-35 in Guide To The Aquatic Heteroptera Of Singapore And Peninsular Malaysia. V. Hydrometridae

Figs. 28-35: 28-29: Hydrometra carinata Polhemus & Polhemus, male terminal abdomen; 28. lateral view; 29. cluster of spines on sternite 7. 30-33: Hydrometra cracens Polhemus & Polhemus; 30. Apex of head, dorsal view showing anteclypeus; 31. Male terminal abdomen, lateral view; 32. Male terminal abdomen, ventral view; 33. Female terminal abdomen, lateral view. 34-35: Hydrometra gilloglyi Polhemus & Polhemus; 34. Apex of head, dorsal view showing anteclypeus; 35. Male terminal abdomen, lateral view.