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柑桔矢尖蚧(Unaspis yanonensisKuwana)属同翅目,盾蚧科。此虫自1985年起在我区猖獗,造成柑桔树大量死亡,导致柑桔连年减产30%左右,并且大大降低了柑桔果实的品质。矢尖蚧主要以雌成虫和若虫吸食柑桔的叶片、果实和枝梢的汁液,使叶片桔卷缩,枝梢枯萎,果实不能充分成熟。除主要为害温州蜜桔外,还严重为害金桔和龙眼。笔者从1985年开始对矢尖蚧的发生规律及习性进行了调查,初步摸清了此虫在我区的生活史及为习性。
Unaspis yanonensisKuwana Citrus is a Homoptera, Dioscoreaceae. This worm has been rampant in our district since 1985, causing a large number of deaths of citrus trees, resulting in about 30% reduction of citrus in successive years and greatly reducing the quality of citrus fruits. Insects and nymphal Insects nymphalidae smoked citrus leaves, fruits and shoots of the juice, the leaves curled orange, shoots withered, the fruit can not fully mature. In addition to the main damage to Wenzhou tangerine, but also severely damaged kumquat and longan. The author started from 1985 on the incidence and habit of Agrimony scale investigation, preliminary find out the worm in my area of life history and habits.