Ventral views of female Niphta nudipennis group terminalia A N. bifurcata sp. nov. B N. courtneyi sp. nov. C N. bispinosa sp. nov. D N. nudipennis. Abbreviations: cerc, cercus; gen fk, genital fork; hyp pr, hypogynial protuberance; hyp vlv, hypogynial valve; hypct, hypoproct; lat arm crcl, lateral arm circle; lat arm cmplx, lateral arm complex; spthc p, spermathecal pump. Scale bars: 0.1 mm.

 
 
  Part of: Pivar RJ, Sinclair BJ, Moulton JK (2021) Revision of the genus Niphta (Diptera, Thaumaleidae) Theischinger of South America, with descriptions of nine new species and a new immature morphotype. ZooKeys 1063: 49-104. https://doi.org/10.3897/zookeys.1063.71180