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叶蝉为一类危害禾谷类、蔬菜、果树和林木等的昆虫。半翅目,叶蝉科。体长3~15mm。单眼2个,少数种类无单眼。后足胫节有棱脊,棱脊上有3~4列刺状毛。后足胫节刺毛列是叶蝉科的最显著的识别特征。本科叶蝉成虫图片已知近2万种,我国已记载约1 000种。该科昆虫不仅危害农作物,而且还传播植物病毒病。秋季,葡萄生长进入营养积累阶段。管理不容忽视,否则会影响来年花芽分化及坐果。葡萄叶蝉在9-10月危害最为严重,常会造成落叶,影响来年葡萄生长。
Leafhoppers are a type of insect that harms cereals, vegetables, fruit trees and trees. Hemiptera, Cicadellidae. Body length 3 ~ 15mm. Monocular 2, a few species without monocular. Hind tibia with ridges, ridges on the ridge 3 to 4 rows of hair. The hind tibiotalis column is the most prominent recognition characteristic of the Cicadellidae. There are nearly 20,000 species of adult leafhoppers known in the world, and about 1,000 species have been recorded in China. The family insects not only endanger crops, but also spread plant virus disease. Autumn, grape growth into the accumulation stage of nutrition. Management can not be ignored, otherwise it will affect the flower buds in the coming year and fruit set. Grape leafhopper in September to October the most serious harm, often causing deciduous, affecting grape growth in the coming year.