芦苇日仁蚧 Nipponaderda biwakoensis(Kuwana)属同翅目仁蚧科,是微山湖芦苇上的一种重要害虫,虫株率达100％。一般每株有虫几百头,多者达千头以上。若虫和雌成虫均刺吸芦苇汁液,致使芦苇长势衰弱,叶片枯黄早落,茎壁变薄,茎秆变黑,影响产量,降低品质。1983—1984年对此虫进行了初步观察,现整理如下。 Nipponaderda biwakoensis (Kuwana) is a Homoptera, belonging to Homoptera. It is an important pest on reed of Weishan Lake with a strain rate of 100%. In general, there are hundreds of insects per plant, with more than a thousand heads. Nymphs and female adults were punctured reed juice, resulting in the weakness of reeds, leaves withered early fall, stem thinning, stalk black, affecting the yield and reduce the quality. 1983-1984 Preliminary observations of this worm, are now organized as follows.