EN
The biological activity of baculovirus AcMNPV and its recombinant SPX were determined on cockroaches Blattella germanica, pharaoh's ants Monomorium pharaonis and flies Musca domestica - species wery difficult to eradication. Baculovirus AcMNPV is one of the best known viruses of wide host range. Its recombinant SPX contained the gen for natural toxin. It is known that this toxins paralyses nervous system of insects by blocking sodium channels. The studies on the influences of baculoviruses shoved in the case of cockroaches Blattella germanica L. the disturbances of development. The result of using high concentration baculoviruses SPX 2 x 107 pfu/ml for a long time of exposition 8 weeks it was.