昆虫病毒是以昆虫为寄主的病毒病原物。病毒是一类形态最小结构最简单的微生物,只含有一种类型的核酸,或者是DNA,或者是RNA,无细胞构造,只有在活的寄主细胞内才能复制增殖。昆虫病毒的真正发现,是在本世纪四十年代电子显微镜发现之后,但早在1149年中国出版的《农书》中,就记载有家蚕的“高节”、“脚肿”病,即由现在所称的核型多角体病毒(NPV)所引起的“脓病”或“黄疸病”,这比西方最早的同类报告要早600多 Insect viruses are insect-host virus pathogens. Viruses are one of the simplest microbes of the smallest structures in form and contain only one type of nucleic acid, either DNA or RNA, which is cell-free and proliferates only in living host cells. The true discovery of the insect virus was discovered after the electron microscope was discovered in the 1940s. However, as early as 1149, China’s Agricultural Book published the “high knot” and “swollen foot” disease of silkworms, The so-called “pus” or “jaundice” caused by the nuclear polyhedrosis virus (NPV) is more than 600 earlier than the first reports of its kind in the West