Aggregation and spatio-temporal dynamics of fruit flies (Diptera, Tephritidae) in papaya orchards associated with different area delimitations in Brazil.
2021
ARAUJO, M. R. de | MARTINS, D. dos S. | FORNAZIER, M. J. | URAMOTO, K. | FERREIRA, P. S. | ZUCCHI, R. A. | GODOY, W. A. C. | Mayara Ribeiro de Araujo, Universidade de São Paulo; David dos Santos Martins, Incaper; Mauricio José Fornazier, Incaper; Keiko Uramoto, Universidade de São Paulo; Paulo Sérgio Fiuza Ferreira, Universidade Federal de Viçosa; Roberto Antonio Zucchi, Universidade de São Paulo; Wesley Augusto Conde Godoy, Universidade de São Paulo.
We investigated aggregation patterns in three fruit fly species economically important in Brazil, namely Ceratitis capitata, Anastrepha fraterculus, and A. obliqua. The study was carried out in a bufferzone and two neighbourhoods by comparing two-time series associated with the management strategy offruit flies (systems approach). The abundance of these three species significantly decreased over the years with a negative binomial regression model describing the relationship between abundance and time in the entire area, buffer zone, and their neighbourhoods. In addition, the negative binomial model was also well fitted to the frequency distribution data of fruit flies in all analyzed scenarios. Anastrepha obliqua showed the highest aggregation degree, considering both the entire area and time series. A. fraterculus exhibited the lowest aggregation level, and C. capitata showed an intermediate degree. The buffer zone exhibited the highest aggregation degree for all species, and neighbourhood 2 exhibited the lowest aggregation degree. The aggregation degree was higher in the time series impacted by the systems approach than the series in the first years of its implementation.
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