Dytiscidae
(Dytiscus)
Gyrinidae
Gyretes (terminal proleg w/hooks)
(Dineutus)
Hydroscaphidae
(Hydroscapha)
Emildae
(Optioservus)
Elmidae
( Pharceonus)
Psephenidae
(Ectopria) Light (Psephenus ) Dark w/Filamentous gill
Eulichadidae
Stenocolus scutellaris (Filamentous gills)
Ptilodactylidae
(Anchycteis) (terminal gill, anal proleg at the end of abdomen)
Curculionidae
(Lissorhoptrus)
Hydraenidae
(Hydraena)
Helophoridae
(Helophorinae)
Hydrochidae
Hydraena
Hydrophilidae
(Hydrophilinae)
Hydrochara (antennae, mandible and Max. Palp stipes)
Lampyridae
Scirtidae
Lutrochidae
(Lutrochus) w/cuadal gill chamber and Lateral suture line, at the end of abdomen.
Chrysomellidae
Pyrhalta (rocky back)
Donacia (Terminal spur)