Alan Bown and his colleagues at Brock University in Ontario let caterpillars of the tobacco budworm moth crawl across soya and tobacco leaves.
From the newscientist.com
Tobacco hornworm moth, Manduca sexta, seeks nectar from an filter-paper flower soaked in some chemicals from the scent of its favorite nectar source, the sacred datura flower, Datura wrightii.
From the sciencedaily.com
Tobacco hornworm and gypsy moth weren't killed by the bacteria, but their weights were drastically reduced due to feeding inhibition.