Some new Meliponini species of the genus Trigonisca Moure, 1950 (Hymenoptera, Apidae, Apinae) from Brazil and Panamá are described: T. roubiki sp. nov. (Panamá), T. variegatifrons sp. nov. (Brazil: RO, PA, MT), T. vitrifrons sp. nov. (Brazil: AM, PA), T. unidentata sp. nov. (Brazil: AM), T. meridionalis sp. nov. (Brazil: PA, MA, MT, MG, SP), T. bidentata sp. nov. (Brazil: RO), T. extrema sp. nov. (Brazil: AM) and T. hirticornis sp. nov. (Brazil: RO, PA); additional geographic records from T. flavicans (Moure, 1950), T. intermedia Moure, 1989, T. dobzhanskyi (Moure, 1950), T. ceophloei (Schwarz, 1938), T. nataliae (Moure, 1950) and T. pediculana (Fabricius, 1804) and an identification key for species are presented.
Meliponini; stingless bees; taxonomy
