The tube-making spittlebug genus Machaerota(Hemiptera:Cercopoidea:Machaerotidae)from China,with description of a new species

The tube-making spittlebug genus Machaerota Burmeister from China is reviewed and a new species,Machaerota liangi sp.nov.from Yunnan,is described.This new species is characterized by having black body,head with postclypeus broadly rounded,scutellar process slightly longer than scutellum proper,weakly arched,apically reaching level of tegminal apices,and aedeagal shaft with conspicuous extension subapically on anterior margin.A key to the species from China is provided.

吉林市榆沫蝉发生初报

通过定点观察的方法,对榆沫蝉[Cnemidanomia lugubris(Lethierry)]的形态及在吉林市的周年发生规律进行了调查研究。结果表明,榆沫蝉在吉林市1年1代,以卵在枝条皮层下越冬。每年4月下旬至5月下旬严重为害榆,偶尔也为害榆叶梅、山楂等树木。并提出了防治建议。