Jory, T.T. and Feitosa, R.M. 2020. First survey of the ants (Hymenoptera, Formicidae) of Piauí: filling a major knowledge gap about ant diversity in Brazil. Papéis Avulsos de Zoologia. 60, (Mar. 2020), e20206014. DOI:https://doi.org/10.11606/1807-0205/2020.60.14.