Family Gerridae Leach, 1815 - water striders
   Subfamily Eotrechinae Matsuda, 1960
     Genus Eotrechus Kirkaldy, 1902
       1 Eotrechus siamensis A. Vitheepradit & R.W. Sites, 2007
       2 Eotrechus elongatus A. Vitheepradit & R.W. Sites, 2007
       3 Eotrechus romglao A. Vitheepradit & R.W. Sites, 2007
       4 Eotrechus petraeus Andersen
       5 Eotrechus kalidasa Kirkaldy
       6 Eotrechus hygropetricus Andersen