Publications for:

pest = Helicoverpa (genus)
beneficial = Steinernema glaseri/Xenorhabdus poinarii (entomopathogen)

found 2 publications:

2008

Susceptibility of three lepidopteran pests to five entomopathogenic nematodes and in vivo mass production of these nematodes
Archives of Phytopathology and Plant Protection (2008) 41 (4), 300-304
publishers website - pestinfo wiki

2007

Susceptibility of different stages of cotton bollworm, Helicoverpa armigera (Lepidoptera: Noctuidae) to entomopathogenic nematodes
International Journal of Nematology (2007) 17 (1), 41-45
pestinfo wiki