Publications for:

pest = Liberibacter solanacearum
crop = Tomato (Solanum lycopersicum)
country = U.S.A. (mid S)

found 2 publications:

First report of 'Candidatus Liberibacter solanacearum' on field tomatoes in the United States
Plant Disease (2010) 94 (4), p. 481
publishers website - pestinfo wiki

A new huanglongbing species, 'Candidatus Liberibacter psyllaurous', found to infect tomato and potato, is vectored by the psyllid Bactericera cockerelli (Sulc)
Applied and Environmental Microbiology (2008) 74 (18), 5862-5865
publishers website - pestinfo wiki