Taxonomic revision of the genus Probolomyrmex Mayr, 1901 (Hymenoptera: Formicidae: Proceratiinae) for the Neotropical Region Author Oliveira, Aline M. Author Feitosa, Rodrigo M. text Zootaxa 2019 2019-06-07 4614 1 61 94 journal article 26557 10.11646/zootaxa.4614.1.3 321b18d2-4300-4d8b-8bcc-877150f92275 1175-5326 3241099 E9C39B4E-D897-428C-B290-95EA40826D93 Key to the identification of Neotropical workers and queens of Probolomyrmex 1 Prora absent ( Fig. 1A )................................................................................. 2 - Prora present ( Fig. 1B - pr).............................................................................. 3 FIGURE 1. Lateral view of gaster. A: prora absent. B: prora present. pr = prora. 2 Ventral profile of the petiole with a subrectangular anterior projection. Guatemala , Mexico , and Panama ( Fig. 2A - sp)................................................................................................ P. petiolatus - Ventral profile of the petiole without a subrectangular anterior projection. Argentina and Brazil (GO, MS, MT, RO, and TO) ( Fig. 2B - sp)................................................................................. P. brujitae FIGURE 2. Lateral view of petiole. A: subpetiolar process subrectangular. B: subpetiolar process not subrectangular. sp = subpetiolar process. 3 In lateral view, dorsal and posterior margins of propodeum meeting in a rounded angle, without any acute projection. Brazil (PA) ( Fig. 3A - pd)..................................................................... P. lamellatus sp. n. - In lateral view, dorsal and posterior margins of propodeum meeting in an acute angle, forming distinct teeth. ( Fig. 3B - pd)..................................................................................................... 4 4 In lateral view petiole higher than long ( Fig. 4A ). In dorsal view petiolar teeth well developed. Brazil (PA, RO and TO) ( Fig. 17C )................................................................................ P. dentinodis sp. n. FIGURE 3. Lateral view of propodeum. A: propodeum margins rounded. B: propodeum margins angled. pd = propodeum. - In lateral view petiole longer than high ( Fig. 4B ). In dorsal view petiolar teeth absent or weakly developed ( Fig. 21C )...… 5 5 In lateral view, the highest point of the dorsal profile of the first gastral tergite is at the posterior limit of the tergite. Nicaragua ( Fig. 5A )................................................................................. P. cegua sp. n. FIGURE 4. Lateral view of petiole. A: petiole higher than long. B: periole longer than high. - In lateral view, the highest point of the dorsal profile of the first gastral tergite is anterior to the posterior limit of the tergite. ( Fig. 5B - ppd)....................................................................................... 6