麦长管蚜 [Macrosiphum avenae (Fabricius)]是温岭市连作晚稻上主要的害虫之一。由于受水稻品种更换、防治措施演替等因素的影响，在温岭市连作晚稻上已从 20世纪 90年代前的零星发生，发展为常年发生，为害呈上升趋势。失治的田块，水稻穗部因麦长管蚜分泌蜜露引发霉病，导致 Macrosiphum avenae (Fabricius) is one of the major pests on late rice in continuous cropping in Wenling. Due to the effects of factors such as the variety of rice varieties and succession of control measures, continuous cropping of late rice in Wenling County has occurred from the sporadic occurrence before the 1990s to perennial occurrence, and the damage is on the rise. Lost fields, rice ears due to wheat aphid secretions Honeydew cause mildew, resulting in