Pebrine caused by Microsporidianstrain Nosemabombycis N ageli is the most important. Infectious disease causes severe economic loss in sericulture. Disease incidence was noticed higher during the beginning of winter season (October-November) followed by rainy season (July-September) and the incidence was least in summer season (March-May). The disease has become increasingly more and morecomplex as more number of microsporidian strains / species infecting silkworms are being identified from India among them most disastrous of all is Nosemabombycis Nageli which causes pebrine disease. Therefore, an attempt has been made to review the literature on microsporodiosis of the silkworm B. mori L.
Bombyxmori L., microsporidia, Nosemabombycis Nageli, infection
