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Universidade Estadual Paulista (UNESP). Campus de Rio Claro. Instituto de Biociências (IB) (Institutional affiliation from the last research proposal) Birthplace: Brazil
Diego Santana Assis in research grants and scholarships supported by FAPESP.
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Ants from the Attina subtribe (Formicidae: Myrmicinae), the attinas, are distributed in the American continent, with most species in South America. They occur in 15 genera and more than 250 species, which depend for their nutrition, on mutualistic fungi. that digest a variety of substrates in the "fungus gardens" in their nests. We manipulate the garden of the Atta bisphaerica cutter, whi…
Individual recognition mechanism among members of colonies is the main factor to ecologic sucess in social insects. Social insects use an elegant system of acceptance and rejection of cospecifics, through a complex mechanism of comparison of cuticular hydrocarbons' profiles (CHCs). CHCs are species-specific and highly discriminant. This high chemical specificity has been used as an extra …
Cuticular hydrocarbons (CHCs) can provide information about castes, age, reproductive status, and colony membership of social insects. In ants, CHCs seem to be useful to understand several social traits. These patterns can shed some light on social behavior and speciation in some groups of ants. Attina ants provide a good model of these evolutionary processes. In addition, the coevolution…
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