Gerridae
                  Gerris buenoi Kirkaldy
                  G. comatus Drake & Hottes
                  G. dissortis Drake & Harris
                  G. insperatus Drake & Harris
                  G. marginatus Say
                  G. remigus Say
                  Gerris spp.
                  Limnogonus hesione (Kirkaldy)
                  L. lubricus
                  Metrobates hesperius Uhler
                  Rheumatobates rileyi Bergroth
                  Rheumatobates spp.
                  Trepobates knighti Drake & Harris
                  Trepobates sp.
Unidentified Gerridae