Harpactor angulosus
 Harpactor angulosus is a species of true bug (Harpactorinae). This assassin bug has been documented predating upon caterpillars of the genus Hylesia (Lepidoptera: Saturniidae: Hemileucinae) in Viçosa Minas Gerais State Brazil. Caterpillars of this genus are an agricultural pest. H. angulosus like other species of Harpactorini has potential as a biocontrol agent for the control of this pest.