The Asian citrus psyllid, Kuwayama (Hemiptera: Psyllidae), is the most important pest of citrus worldwide because it serves as a vector of “ Liberibacter” species () that cause huanglongbing (citrus greening disease). All commercially cultivated citrus is susceptible and varieties tolerant to disease expression are not yet available. Onset of disease occurs following a long latent period after inoculation, and thus the pathogen can spread widely prior to detection. Detection of the pathogen in Brazil in 2004 and Florida in 2005 catalyzed a significant increase in research on biology. Chemical control is the primary management strategy currently employed, but recently documented decreases in susceptibility of to several insecticides illustrate the need for more sustainable tools. Herein, we discuss recent advances in the understanding of biology and behavior, pathogen transmission biology, biological control, and chemical control with respect to “ Liberibacter asiaticus.” Our goal is to point toward integrated and biologically relevant management of this pathosystem.


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  • Article Type: Review Article
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