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皂角幽木虱Euphalerus robinae(Shinzi)国外分布于日本、朝鲜;国内分布于北京、陕西、贵州、辽宁4省。辽宁省在沈阳、丹东、大连等地均有发生,以成虫和若虫吸食山皂角汁液,若虫将嫩叶折合成叶苞,在内群居取食,分泌蜡丝,排出蜜露,被害叶片枯黄早落,对山皂角生长影响极大。1 形态特征成虫雌虫体长2.5—2.9mm,翅展4.8—5.0mm;雄虫体长2.1—2.5mm,翅展4.2—4.3mm。初羽化时黄白色,翅透明,以后变黄褐色、黑褐色。复眼大,紫红色,向头侧突
Euphalerus robinae (Shinzi) is distributed abroad in Japan and North Korea. It is distributed in 4 provinces including Beijing, Shaanxi, Guizhou and Liaoning. Liaoning Province, Shenyang, Dandong, Dalian and other places have occurred, to adults and nymphs to inhabit the saponin juice, nymphs will be converted into leaves buds young leaves, within the feeding, secretion of wax silk, discharge honey dew, the victim leaves yellow Early fall, a great impact on the growth of mountain saponins. 1 morphological characteristics adult female body length 2.5-2.9mm, wingspan 4.8-5.0mm; male body length 2.1-2.5mm, wingspan 4.2-4.3mm. Early emergence of yellow-white, wings transparent, after the turn brown, dark brown. Compound eyes large, purple, protruding to the head side