Flower thrips (Thysanoptera: Thripidae and Phlaeothripidae) species complex on Florida blackberries and the effect of blackberry cultivar
Abstract
Blackberries are a relatively new crop to Florida, so little is known about what pests will become key pests in the system. This study was conducted to determine the pest potential of flower thrips in blackberries in Florida. Flower thrips were present in high numbers, particularly in earlier flowering cultivars. Frankliniella bispinosa Morgan (Thysanoptera: Thripidae) was the dominant species found in blackberries. Flower thrips populations behaved in a density dependent manner with Orius sp. populations, so Orius sp. may be an important predator of flower thrips in this system.
Key Words: Rubus; Frankliniella; cultivar
Sumario
Las moras son un cultivo relativamente nuevo para la Florida, y
poco se sabe sobre cuales plagas se convertirán en plagas clave en el sistema. Se realizó este estudio para determinar el potencial de plagas de los trips de flores en moras en la Florida. Los trips de flores estaban presentes en un gran número, particularmente en variedades de floración temprana. Frankliniella bispinosa Morgan (Thysanoptera: Thripidae) fue la especie dominante en moras. Las poblaciones de trips de flor se comportaron en una manera dependiente de la densidad de Orius sp. (Hemiptera: Anthocoridae), por eso Orius sp. puede ser un depredador importante de trips de flores en este sistema.
Palabras Clave: Rubus; Frankliniella; cultivar
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