Side-effects of insecticides used in tomato fields on the egg parasitoid Trichogramma pretiosum Riley (Hym., Trichogramma tidae), a natural enemy of Tuta absoluta (Meyrick) (Lep., Gelechiidae) - Consoli, F L; Parra, José Roberto Postali; Hassan, S A (Journal of Applied Entomology, 1998)