%0 Journal Article %T Incid那ncia de Dilobopterus costalimai Young e Acrogonia citrina Marucci & Cavichioli, em pomares c赤tricos no noroeste paranaense = Incidence of Dilobopterus costalimai Young and Acrogonia citrina Marucci & Cavichioli, in citrus orchards in Northwestern Paran芍 %A Aline Maria Orbolato Gonˋalves %A R迆bia de Oliveira Molina %A William M芍rio de Carvalho Nunes %A Carlos Alexandre Zanutto %J Acta Scientiarum : Agronomy %D 2008 %I %X As cigarrinhas das fam赤lias Cicadellidae e Cercopidae s o vetores da bact谷ria Xylella fastidiosa Wells, causadora da Clorose variegada dos citros. Esta doen a traz s谷rios preju赤zos 角 lavoura de citros no Noroeste Paranaense, e 谷 estudada no Brasil desde 1987, quando foi descoberta pela primeira vez na regi o de Colina, S o Paulo. Os vetores transmitem a X. fastidiosa quando se alimentam sugando a seiva do xilema, local onde a bact谷ria se instala, obstruindo a passagem da seiva. Este trabalho teve o objetivo de avaliar aocorr那ncia das cigarrinhas vetoras Dilobopterus costalimai e Acrogonia citrina em pomar comercial de citros. O experimento foi realizado no s赤tio ※Laranjeiras I§, munic赤pio de Nova Esperan a, regi o noroeste do Paran芍, no per赤odo de julho de 2004 a agosto de 2006. Foram feitas amostragens mensais, por meio de armadilhas adesivas amarelas (Biocontrole ), nas variedades de laranjeiras [Citrus sinensis (L.) Osbeck] Folha Murcha, Val那ncia, P那ra e Natal.Nas variedades P那ra e Val那ncia, a cigarrinha mais capturada foi Dilobopterus costalimai. Os meses de maior ocorr那ncia das esp谷cies foram entre dezembro e maio de cada ano. The sharpshooters of the families Cicadellidae and Cercopidae are vectors of Xylella fastidiosa (Wells), which causes citrus variegated chlorosis. This disease causes severe damage to the Paran芍 citrus industry, and it has been studied in Brazil since 1987, when it was discovered for the first time in the area of Colina, SP. The vectors transmit X. fastidiosa when they feed on the xylem sap, where the bacteria settles, obstructing the passage of the sap. This workhad the objective of evaluating the occurrence of the vector sharpshooter Dilobopterus costalimai and Acrogonia citrina in a commercial citrus orchard during the period between July 2004 and August 2006. The experiment was accomplished in the Laranjeiras I farm, in the city of Nova Esperan a, northwestern Paran芍. The collections were undertaken monthly, and yellow stick traps (Biocontrole ) was used as a sampling method in Folha murcha,Val那ncia, P那ra and Natal oranges trees [Citrus sinensis (L.) Osbeck]. In P那ra and Val那ncia trees, the most often captured sharpshooter was Dilobopterus costalimai. The months of higher occurrence of these species were between December and May of each year. %K Cicadellidae %K Citrus sinensis %K Xylella fastidiosa %K clorose variegada dos citros %K Cicadellidae %K Citrus sinensis %K Xylella fastidiosa %K citrus variegated chlorosis %U http://periodicos.uem.br/ojs/index.php/ActaSciAgron/article/view/3502/2479