Aedeagus. 53. Oosternum andersoni 54. O. bacharenge 55. O. insulare 56. O. latum 57. O. luciae 58. O. megnai 59. O. pecki 60. O. sharpi.

 
 
  Part of: Deler-Hern├índez A, Cala-Riquelme F, Fik├ícek M (2014) A review of the genus Oosternum Sharp of the West Indies (Coleoptera: Hydrophilidae: Sphaeridiinae). Deutsche Entomologische Zeitschrift 61(1): 43-63. https://doi.org/10.3897/dez.61.7566