菊姬长管蚜(Macrosiphoniella sanborni Gi- llette)是菊花主要害虫,为害期长,苗期至花期均可受害。不仅影响茎叶生长和开花,降低了切花观赏价值,而且容易传播病毒病,影响出口。为此,对其进行研究,现将初步结果整理如下。一、形态特征无翅胎生雌虫体长2～2.5毫米,体深红褐色,有光泽,触角、腹管和尾片暗色,体、足和触角均 Macrosiphoniella sanborni Gi- llette is the major pest of chrysanthemum, and it has long-term damage and can be damaged from seedling to anthesis. Not only affect the growth and flowering of stems and leaves, reducing the ornamental value of cut flowers, but also easy to spread the virus disease, affecting exports. To this end, to carry out their research, the preliminary results are now organized as follows. First, the morphological characteristics Wingless viviparous female body length 2 ~ 2.5 mm, body deep reddish brown, shiny, antennae, abdominal and caudal dark, body, foot and antennae