【摘要】 <正> 1980年8月以来,在广州郊区的乌桕树下,发现不少纵带球须剌蛾(Scopelodescontracta)幼虫自然死亡,经检查、鉴定是由核型多角体病毒所引起的.国内有关这种刺蛾的病毒病尚未见有报道.感病幼虫病征,初期无异常表现,随着病程进展,食量逐渐减少,行动日趋迟缓,体色变得暗黄,失去原有光泽.发病末期,虫体肿胀,环节高趋,有时可见近胸部的腹更多还原

【Abstract】 The larvae of Scopelodes contrarta infected with NPV in the Suburb of Guang-zhou have been observed since August,1980.The symtom of infected larvaeand the results of electron microscopical study of polyhedra and virions of thisNPV were reported briefly in this paper.更多还原