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扁刺蛾(Thosea sinensis Walker)属鳞翅目刺蛾科,危害茶、果、桑等多种经济作物。茶园中扁刺蛾虫害严重时,茶树叶片被吃光,造成茶树枯死。虫体刺毛触及人的皮肤会引起痒痛红肿。1975年9月,我们从敬亭山茶场和舒茶公社茶园自然死亡的扁刺蛾幼虫中,分离到一种核型多角体病毒和一种质型多角体病毒。通过室内感染和田间防治试验表明,扁刺蛾核型多角体病毒的毒力及专一性较强,杀虫效果显著,对家蚕(bombyx mori)和小白鼠无毒。可感染褐刺蛾(Setora postornata Hampson)、绿刺蛾(Porasa lepida Crame)。
Thosea sinensis Walker belongs to Lepidoptera, which threatens many cash crops such as tea, fruit and mulberry. In the tea garden when the flat-moth insect pest is serious, the tea leaves are eaten, causing the tea tree to die. Insect body bristles touch the human skin can cause itching pain and swelling. In September 1975, we isolated a nuclear polyhedrosis virus and a polyhedrosis virus from the flat-moth larvae that naturally died in the Jingting Camellia and Shucha commune tea plantations. The indoor infection and field control tests showed that the virulence and specificity of the flat-moth nuclear polyhedrosis virus is strong, the insecticidal effect is remarkable, and it is non-toxic to bombyx mori and mice. It infects Setora postornata Hampson and Porasa lepida Crame.