Neohydrocoptus sp.

Family: Noteridae
Subfamily: Noterinae
Tribe: Notomicrini

Habitat: Wetland

General appearance: Small size. Fore tibia do not expand beyond base of tarsi, with a apical spines and weak apical spurs. Hind femur without an isolate group of long setae at the posterior angle. Side margins of metasternal plate with a lateral ridge. Sutural lines between metasternal and hind coxal plates distinct at sides. Hind coxal process with setigerous punctures and sharp apical angles.

 

Reference:
Pederzani, F. (1995). Keys to the identification of the genera and subgenera of adult Dytiscidae (sensu lato) of the world (Coleoptera Dytiscidae). Atti dell'Accademia Roveretana degli Agiati, a, 244, 5-83.