publicações selecionadas Machaerium opacum Vogel (Fabaceae): phytochemical study and toxicity to Atta sexdens Linnaeus (Hymenoptera: Formicidae) Acervo de Formicidae (Insecta, Hymenoptera) da Coleção Entomológica Adolph Hempel, Instituto Biológico, São Paulo Collection and Long-Term Maintenance of Leaf-Cutting Ants (Atta) in Laboratory Conditions Attractivity or Repellence: Relation between the Endophytic Fungi of <i>Acalypha</i>, <i>Colocasia</i> and the Leaf-Cutting Ants-<i>Atta sexdens</i> Exploring the diversity and potential interactions of bacterial and fungal endophytes associated with different cultivars of olive (Olea europaea) in Brazil