Cross infectivity of baculovirus, Spilarctia obliqua nuclear polyhedrosis virus against mulberry pest, Porthesia xanthorrhoea Kollar.

Spilarctia obliqua nucleopolyhedrosis virus (SoNPV) has been found effective against S. obliqua (Walker) as well as Porthesia xanthorrhoea Kollar. LC50 concentration of S.