List of Articles Key words : Biological control Open Access Article Abstract Page Full-Text 1 - The first report of two aphids Parasitoid Aphidius platensis , Trioxys pallidus (Hym., Braconidae) and a hyperparasitoid Pachyneuron aphidis (Hym., Pteromalidae) from Markazi province fateme khaki A. nazari H. madadi z. rafie karahrodi