1- Salama I. Askar, M. M. El Husseini (2016):On the Biology of Tetrastichus galactopus (Ratzeburg) (Hymenoptera: Eulophidae) a new recorded hyperparasitoid parasitizing Pieris rapae L. in Egypt. Egypt. J. Biol. Pest control, vol. 26 (3) 523-526 2016.
2- Askar, S. I. and M.M.El Husseini (2015). Biological aspects of the parasitoid Aphelinus albipodus (Hayat & Fatima) (Hymenoptera: Aphelinidae) parasitizing the mealy plum aphid Hyalopterus prunii (Geoffroy)(Homoptera: Aphididae). Egypt. J. Biol. Pest control, 25(3), 619-623