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Abstract
Sturza, Peronti, and Nava discuss the first record of Dysmicoccus boninsis Kuwana, 1909 (Hemiptera: Pseudococcidae) on sugarcane in the state of Rio Grande do Sul. Among the sap-sucking insects that infest sugarcane [Saccharum spp. (Poaceae)] around the world, scale insects (Hemiptera: Coccomorpha) stand out with 103 recorded species. Most of them are frequently regarded as secondary or occasional pests. Aclerda takahashii and S. sacchari are monophagous species associated with a small number of host plants of Poaceae. Both are exotic species and distributed in 13 and 79 countries, respectively. Populations of these species feed on sugarcane plants by sucking plant sap mainly under overlapping leaf sheaths just below stalk nodes. More information on D. boninsis is required for subtropical conditions of Brazil mainly because it is a polyphagous and hypogeic facultative sugarcane species and this implies high survival chances in crop areas and outbreaks under favorable conditions.
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1 Universidade Federal de Pelotas - UFPel, Programa de Pós-graduaęao em Fitossanidade, Capao do Leao, RS, Brasil
2 Universidade Estadual Paulista Julio de Mesquita Filho - UNESP, Faculdade de Ciencias Agrarias e Veterinarias, Jaboticabal, SP, Brasil
3 Embrapa Clima Temperado, Pelotas, RS, Brasil