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This paper reports the histological observation of tarvae of Zethenia rufescentaria Motsch. after infection by ZrNPV Histopathologic study revealed that ZrNPV were multipIied within the nuclear of fat body, epidermis cell, midgut cell, tracheal matrix and blood cell. These cells showed obvious cytopathic effects. The nucleus of infected cells underwent swelled. Under electron microscope, virus and polyhedral of ZrNPV were clearly observed in these nucleus of infected cells. The nucleus of susceptible tissues were fulfilled with polyhedra after 70~140 h.
This paper reports the histological observation of tarvae of Zethenia rufescentaria Motsch. After infection by ZrNPV Histopathologic study revealed that ZrNPV were multipIied within the nuclear of fat body, epidermis cell, midgut cell, tracheal matrix and blood cell. These cells showed obvious cytopathic effects. The nucleus of infected cells underwent swelled. Under electron microscope, virus and polyhedral of ZrNPV were clearly observed in these nucleus of infected cells. The nucleus of susceptible tissues were fulfilled with polyhedra after 70 ~ 140 h.