Publications for:

pest = Helicoverpa (genus)
beneficial = Palexorista laxa (parasitoid)

found 3 publications:

1995

Host preference of the facultative hyperparasitoid Tetrastichus howardi (Hym.: Eulophidae)
Entomophaga (1995) 40 (1), 69-76
publishers website - pestinfo wiki

1993

Incidence of Helicoverpa armigera (Lepidoptera: Noctuidae) and its natural enemies on smallholder crops in Kenya
Bulletin of Entomological Research (1993) 83 (3), 321-328
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1990

Parasitism of Helicoverpa armigera (Lepidoptera: Noctuidae) in Tanzania: Analysis of parasitoid-crop associations
Environmental Entomology (1990) 19 (4), 1141-1145
pestinfo wiki