This chapter discusses the epidemiology of huanglongbing (HLB or citrus greening, presumably caused by 'Candidatus Liberibacter asiaticus and vectored by the psyllid Diaphorina citri) in light of a new transmission mechanism. Examples given are from Florida (USA), where incursion of HLB has been...

First detected in 1998, the Asian citrus psyllid (ACP) Diaphorina citri swept through Florida (USA) in record time, comparable in spread only to the citrus leafminer Phyllocnistis citrella detected 5 years earlier. Movement of both pests was aided by commercial transport of plants throughout the...

The Asian citrus psyllid (ACP), Diaphorina citri, is a known vector of the bacterial pathogens Candidatus Liberibacter spp., causal agents of the deadly citrus greening disease or huanglongbing. ACP was first reported in the US in the state of Florida in 1998, but has since invaded all citrus...

Asian citrus psyllid (ACP), Diaphorina citri, was first detected in southern California (USA) in 2008 and the putative causal bacterium of huanglongbing (HLB), 'Candidatus Liberibacter asiaticus', was first found in a single residential tree in 2012. Studies of insecticide efficacy for ACP control...

This chapter focuses primarily on aphid pest management in cucurbits grown in the USA, but will also refer to strategies used in other countries, particularly for the management of aphids on cucumbers under protected cultivation. Specific sections on the aphid-vectored viruses affecting cucurbits,...

'Aphid Alert' was the name used to identify a series of research and outreach initiatives undertaken from 1992 to 2003, and in some instances since, to address potato virus problems in seed potato production in the Northern Great Plains (NGP) of the USA, in particular northwestern Minnesota and...