A survey of mealybugs infesting South-Brazilian wine vineyards

Revista Brasileira de Entomologia

Wilson J. Morandi Filho¹  Vitor C. Pacheco-da-silva¹  Maria C. Granara De Willink¹  Ernesto Prado¹  Marcos Botton¹ 

关键词: Dysmicoccus;    Planococcus;    Pseudococcus;    Scale insects;    Vitis spp;   

DOI  :  10.1016/j.rbe.2015.05.002

来源: SciELO

【 摘 要 】

ABSTRACTMealybugs (Hemiptera: Pseudococcidae) are important pests of the grapevine Vitis spp. and are responsible for direct and indirect damage to production. The main mealybug species present in wine grapevine (Vitis vinifera L.) in Southern Brazil were identified and their incidence evaluated. Bunch-samples (n = 50) from 131 vineyards located in the Serra Gaúcha Region (RS) of Brazil were analyzed at harvest, and the occurrence of mealybugs in the roots was evaluated at the time of eradication of plants for replanting. Mealybugs were reared in laboratory until adulthood for species determination. The species Dysmicoccus brevipes (Cockerell, 1983), Dysmicoccus sp., Planococcus citri (Risso, 1813), Pl. minor(Maskell, 1897), Pseudococcus viburni (Signoret, 1875) and Pseudococcus sp. were identified in bunches. Dysmicoccus sp., D. umbambae Granara de Willink, 2009, Pl. citri and Pseudococcus sp. were found in the roots. Pl. citri (31.4%) and Dysmicoccus sp. (22.7%) were the most common species found in wine grape bunches in the Serra Gaúcha Region.

【 授权许可】

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