Spaniophlebia male genitalia is described for the first time and the diagnosis of the genus is improved in order to encompass this new set of characteristics. Spaniophlebia kayapo sp. nov. is described based on male and female imagos from Pará and Mato Grosso states, Brazil, Spaniophlebia trailiae is redescribed based on newly collected material and comparison with the types, and Spaniophlebia escomeli is transferred to the genus Lachlania based on wing features and distributional data. A key to male imagos of the genus is provided as well as considerations regarding type-localities of Spaniophlebia species.
