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苹果细蛾是取食苹果、沙果和梨等树叶的害虫,在喀什地区各县和团场均普遍发生,近年在局部地区的为害有加重趋势。一般果园的果树受害株率达100%,平均被害叶率达66.7—95.8%,单株虫口51—368头;严重受害树,树叶啃痕累累,树势极度衰弱,结果量很少。现将本人1974年在麦盖提、1978—1980年在巴楚对此虫的研究结果整理如下。 一、形态特征 苹果细蛾(Lithocolletis blankardella
Apple moth is a pest feeding on the leaves of apple, sago and pear. It has been commonly found in all counties and groups in Kashi Prefecture. In recent years, the damage has increased in some areas. General fruit orchard tree damage rate of 100%, the average victim leaf rate of 66.7-95.8%, single insect population 51-368 head; severely damaged trees, bark traces of leaves, the tree is extremely weak, the results rarely. The results of my research on this pest in 1974 in 1980 at McCay, 1978-1980 are summarized below. First, the morphological characteristics of apple moth (Lithocolletis blankardella