Matiotti da Costa, M. K.; Fernandes e Silva, A.; CorrĂȘa Acosta, R. ; Zefa, E. (2023). Sperberacris, a new Neotropical genus of Gomphocerinae (Orthoptera: Acridoidea: Acrididae) from State of Alagoas, Brazil with chromosome complement. Zootaxa. 5228(1): 73-80.