Revista Brasileira de Entomologia (2015) 59, 251-254

Wilson J. Morandi Filho, Vitor C. Pacheco-da-Silva, Maria C. Granara de Willink, Ernesto Prado and Marcos Botton (2015)
A survey of mealybugs infesting South-Brazilian wine vineyards
Revista Brasileira de Entomologia 59 (3), 251-254
Abstract: Mealybugs (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.
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Database assignments for author(s): Ernesto Prado, Marcos Botton

Research topic(s) for pests/diseases/weeds:
surveys/sampling/distribution

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Pest and/or beneficial records:

Beneficial	Pest/Disease/Weed	Crop/Product	Country	Quarant.
	Planococcus citri	Grapevine (Vitis)	Brazil (south)
	Pseudococcus viburni	Grapevine (Vitis)	Brazil (south)
	Planococcus minor	Grapevine (Vitis)	Brazil (south)
	Dysmicoccus brevipes	Grapevine (Vitis)	Brazil (south)