Abstract
Strumigenys Smith, 1860 is a megadiverse ant genus with 858 species distributed worldwide. These ants forage and nest in leaf litter, rotten wood, dried leaves or twigs and are specialized predators. Here we present the first records of the pantropical Strumigenys rogeri Emery, 1890 in Brazil. The information was obtained from specimens conserved in the Formicidae Collection of the Cocoa Research Center. We recovered data of occurrence of S. rogeri in six locations in southern Bahia, Brazil. The specimens were found in remnants, secondary growths or agroforest areas within the Atlantic Brazilian rainforest biome. Interestingly, areas of cocoa agrosystems shaded with Eritryna legume trees seem allowing this ant to be relatively easy to find. It is reasonable to think that many specimens of S. rogeri were accumulated in entomological collections throughout Brazil or were misidentified due to the complicated taxonomy of the genus.
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