Keywords: خطوط سلولی حشرات; Adventitious viruses; Baculovirus insect cell system; Insect cell lines; Sf-rhabdovirus; Spodoptera frugiperda cells; BICS; Baculovirus insect cell system; Bm; Bombyx mori (silkworm); CPE; Cytopathic effects; Dm; Drosophila melanogaster (fruit fly); DES;