Key to the species of Poriptus 1. Antennal segment III surpassing apex of head. Humeri at obtuse angle with anterolateral margins of pronotum............................................................................................................. Poriptus filius Berg, 1883 1’. Antennal segment III not surpassing apex of head. Humeri at acute angle with anterolateral margins of pronotum (fig. 1)..........................................................................................................................................2 2. Parameres and lateral processes of dorsal rim without black border (fig. 8). Sutural margins of gonocoxites 8 markedly divergent at apical third (fig. 25).................................................. Poriptus tobago sp. nov. 2’. Parameres and lateral processes of dorsal rim bordered in black (fig. 5). Sutural margins of gonocoxites 8 parallel (fig. 24) ................................................................................................ Poriptus luctans Stål, 1861

Published as part of Barcellos, Aline & Grazia, Jocelia, 2008, Revision of the genus Poriptus Stål (Hemiptera: Heteroptera: Pentatomidae: Pentatominae), pp. 25-36 in Zootaxa 1821 on page 27, DOI: 10.11646/zootaxa.1821.1.3, http://zenodo.org/record/183013