Publications for:

pest = Helicoverpa (genus)
beneficial = Bacillus thuringiensis var. kenyae (entomopathogen)

found 2 publications:

2008

Characterization of the cry1Ac17 gene from an indigenous strain of Bacillus thuringiensis subsp. kenyae
Current Microbiology (2008) 57 (6), 570-574
publishers website - pestinfo wiki

1992

Larvicidal activity of strains of Bacillus thuringiensis for Helicoverpa armigera (Hübner) and Helicoverpa punctigera Wallengren (Lepidoptera: Noctuidae) estimated using a droplet-feeding method
Journal of the Australian Entomological Society (1992) 31 (3), 209-213
publishers website - pestinfo wiki