Mischocyttarus (Megacanthopus) belemensis Cooper 1997
Cooper 1997. The subgenus Megacanthopus Ducke of Mischocyttarus De Saussure (Hym., Vespidae), with a key and three new species. Entomologist's Monthly Magazine, 133(1600-3), September-October-November-December 1997: 217-223