Pratissoli, D.; Oliveira, H. N. de. Influence of Egg Age of Helicoverpa Zea (Boddie) on the Parasitism by Trichogramma Pretiosum Riley. PAB 1999, 34 (5), 891-896. https://doi.org/10.1590/S1678-3921.pab1999.v34.5271.