红脂大小蠹扬飞集中在 5月份 ,通过分析其扬飞量与温湿度等环境因素的变化关系 ,认为温度与红脂大小蠹的扬飞成正相关 ,而湿度相应呈负相关。同时找出了检测红脂大小蠹扬飞正态变化的标志性苗木的花期物候 ,对该虫的科学防治具有一定的参考价值。 The distribution of red foxtail was concentrated in May. By analyzing the relationship between the amount of flies and temperature and humidity, the relationship between temperature and humidity was considered to be positive, while the humidity was negatively correlated. At the same time, we found out the flowering phenology of the symbolic seedlings that detect the normal change of beetle in the red beetle, which is of certain reference value to the scientific control of the insect.