论文部分内容阅读
膜肩网蝽Hegesidemus habrus Drake属半翅目,网蝽科,又名军配虫。过去记载为害毛白杨、垂柳,1980年林业病虫普查期间发现该虫严重为害河柳,后来也看到它在垂柳上为害的情况。据1981年本县城关附近调查108棵河柳,虫株率达100％,侵害较重者,一面叶片竟有虫16只之多。成虫和若虫皆栖居叶背面刺吸叶汁,叶背面被刺,正面形成苍白斑点,后整个叶片失绿变黄。由于营养大量消耗,造成顶
Hegsidemus habrus Drake is a member of the order Hemiptera, Reticidae, also known as military pests. In the past, it was recorded as Populus tomentosa and weeping willow. During the census of forestry pests and diseases in 1980, it was found that the pest was seriously damaging to the willow. Later, it was also seen that it was harming the weeping willow. According to the survey of 108 rivers and lakes near the Chengguan border in 1981, the rate of insect pests reached 100%, and the heavier ones were infested. As many as 16 pests were found on the leaves. Adults and nymphs are dwelling on the back of leaves, sucking leaf juice, the back of the leaves is stabbed, and the front forms pale spots, leaving the entire leaf greenish yellow. Due to a lot of nutrition consumption, resulting in the top