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Flutua??o populacional de Diaphorina citri Kuwayama (Hemiptera: Psyllidae) em pomares de citros na regi?o Norte do Estado de S?o Paulo

DOI: 10.1590/S1519-566X2001000100025

Keywords: insecta, citrus sinensis, psylla, vacuum sucker machine.

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the purpose of this research was to study the population dynamics of diaphorina citri kuwayama in citrus orchards in the north area of sao paulo state. the study was carried out in 16 citrus orchards, being six of them in catanduva area, five in barretos and five in monte azul paulista. a vacuum sucker machine was used to collect the insects. the highest density of d. citri occurred in the end of the spring time and in the beginning of the summer. during autumn and winter the population was low. most of the insects were captured in the catanduva area, followed by barretos and monte azul paulista. population was considered constant in all the catanduva orchards, in four orchards in monte azul paulista, and in only two orchards in barretos.


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