In the case of Atta sexdens rubropilosa, substances belonging to the class of heterocyclic compounds known as pyrazines guide the ants without deviation on their way to the anthill. (sciencedaily.com)
Researcher Mônica Tallarico Pupo, a professor in the University of São Paulo's Ribeirão Preto School of Pharmaceutical Sciences (FCFRP - USP) and the principal investigator for the project, stressed that pyrazine production by the ants» microbiome was observed in more than one colony. (sciencedaily.com)
He heated the two compounds, filling his laboratory with the odor of pyrazines, a toastlike scent tempered with a hint of chocolate. (scientificamerican.com)