昆虫病理学(Insect Pathology)是研究昆虫疾病的发生、发展和转化的规律,阐明疾病的本质,为防治益虫的疾病及利用昆虫病原体防治害虫,提供基础理论依据。在病因的作用下,昆虫发生了损伤,而虫体也随之引起抗损伤的反应。疾病就是有机体的损伤与抗损伤的斗争过程。这一反应贯穿在疾病发展的过程。昆虫疾病发生的原因主要是寄生生物如病原微生物(包括病毒、立克次氏体、细菌、真菌、原生动物、线虫等)及寄生性昆虫(如寄生蜂、寄生蝇)与为数较少的寄生螨类的侵袭。这两类生物都寄生于虫体,两者之别在于病原微生物在虫体繁殖或复制为 Insect Pathology (Insect Pathology) is the study of insect disease occurrence, development and transformation of the law, to clarify the nature of the disease, for the prevention and treatment of beneficial insect diseases and the use of insect pathogens to control pests, to provide the basic theoretical basis. In the etiology, insects have been damaged, and parasites also cause anti-damage response. Disease is the process of the fight against damage and injury to the organism. This reaction runs through the process of disease development. Insect diseases occur mainly due to parasitic organisms such as pathogenic microorganisms (including viruses, rickettsia, bacteria, fungi, protozoa, nematodes, etc.) and parasitic insects (such as parasitic wasps, parasitic flies) and a relatively small number of parasites Mite invasion. These two types of organisms are parasitic on worms, the difference between the two is that pathogenic microorganisms in the reproductive or reproductive