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Foram estudados os aspectos biológicos das cigarrinhas Acrogonia gracilis (Osborn), Dilobopterus costalimai Young e Oncometopia facialis (Signoret) em plantas jovens de laranja Citrus sinensis L. Osbeck em condições controladas de 25±2ºC, 60±10% de umidade relativa e 12h de fotofase. Essas cigarrinhas são vetoras de Xylella fastidiosa Wells em citros. Foram observados cinco ínstares em D. costalimai e O. facialis e seis em A. gracilis. O período médio de duração de ovo a adulto e a longevidade foram, respectivamente, 54,5 e 72,4 dias para A. gracilis, 54,7 e 36,4 dias para D. costalimai e 67,1 e 15,5 dias para O. facialis.

The biological aspects of the leafhoppers Acrogonia gracilis (Osborn), Dilobopterus costalimai Young and Oncometopia facialis (Signoret) on young plants of Citrus sinensis L. Osbeck was studied at 25±2ºC, relative humidity of 60±10% and photophase of 12h. These species are vectors of Xylella fastidiosa Wells to citrus. Five instars were observed for D. costalimai and O . facialis and six for A. gracilis. The mean duration from egg to adult and longevity were, respectively, 54.5 and 72.4 days for A. gracilis, 54.7 and 36.4 days for D. costalimai and 67.1 and 15.5 days for O. facialis.

Index code	Element
ti	article title
au	author
kw	article keywords
subject	subject (title words, abstract and keywords)
ab	abstract
ta	journal short title (e.g. Cad. Saúde Pública)
journal_title	journal full title (e.g. Cadernos de Saúde Pública)
la	publication language code (e.g. pt - Portuguese, es - Spanish)
type	document type
pid	publication identifier
publication_year	publication year of publication
sponsor	sponsor
aff_country	country code of the author's affiliation
aff_institution	author affiliation institution
volume	article volume
issue	article issue
elocation	elocation
doi	DOI number
issn	journal ISSN
in	SciELO colection code (e.g. scl - Brasil, col - Colômbia)
use_license	article usage license code

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