近几年来,山东省一些林场的赤松毛虫自然发生流行性病毒病,当地进行人工喷洒病毒防治松毛虫大面积试验获得良好效果。继后我们又发现山东省其它一些林果业害虫也有类似的自然死亡现象,现将采集到的几种昆虫病毒进行研究鉴定,简报如下。 1.赤松毛虫(Dendrolimus spectabilis Butler)细胞质型多角体病毒(CPV)及颗粒体病毒(GV) 1973年以来,山东省沂南县东风林场的赤松毛虫经常发生流行病而大量死亡;经调查此病分为萎 In recent years, some forest moths in Shandong Province naturally occur epidemic virus disease, the local artificial spraying of virus prevention and treatment of large area pine caterpillar get good results. Later, we also found that some other fruit pests in Shandong Province also had similar natural deaths. Now, several insect viruses collected are studied and identified. The briefing is as follows. 1. Dendrolimus spectabilis Butler cytoplasmic polyhedrosis virus (CPV) and granulovirus (GV) Since 1973, the red pine caterpillars in Dongfeng Forest Farm, Yinan County, Shandong Province, have often died of epidemics; after investigation, the disease Divided into wilt