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Abstract:
Pycnotropis epiclysma is described from material collected in inundation forests near Manaus,
Amazonas, Brazil. The genus is redefined on the basis of an overlooked diagnostic character, gonopods of
the type species P. taenia (PETERS) are illustrated, and a list of presumably congeneric species is
provided. The generic names Phinotropis and Amydrinus (CHAMBERLIN 1941) are confirmed as junior
synonyms of Pycnotropis, their respective type species being considered as conspecific. Difficulties
associated with determining the relationships of the nominal subfamily Euryurinae are outlined for future
consideration.