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The objective of this study was to characterize the diversity of mites on coffee plants of the Mundo Novo cultivar in two important coffee producing areas (Jeriquara and Garca) in the state of Sao Paulo. Samples of leaves, branches and fruits were fortnightly collected, from April 2001 to June 2003, from the middle third of 10 plants randomly taken from each field. Twelve leaves (each leaf from the third or forth pair from the distal part of each branch), 12 branches (apical 25 cm) and 100 fruits. A total of 13,052 specimens were collected in the two studied places, 7,155 in Jeriquara and 5,897 in Garca. From a total of 108 mite species collected from coffee plants in this study, forty five species were collected in both studied fields, which presented 56% of similarity. The number of species found exclusively in Jeriquara (47) was approximately three times higher than the number of species observed only in Garca (16). For Jeriquara, the diversity of mites on surface of leaves, as well as in domatia, and on branches and fruits was higher than for Garca. In both studied areas, Brevipalpus phoenicis (Geijskes, 1939) and Oligonychus ilicis (McGregor 1919) were the most abundant and frequent phytophagous mite species. Stigmaeids and phytoseiids were the most abundant and frequent predaceous mites in both localities. The most abundant and frequent predaceous species were Agistemus brasiliensis Matioli, Ueckermann & Oliveira, 2002, Zetzellia malvinae Matioli, Ueckermann & Oliveira, 2002, Euseius citrifolius Denmark & Muma, 1970, and Euseius concordis (Chant 1959) in Jeriquara; and Z. malvinae, E. citrifolius and E. concordis in Garca.

Diversidade de ácaros (Arachnida: Acari) em Coffea arabica L. cv. Mundo Novo, nos municípios de Jeriquara e Garça, Estado de São Paulo