新疆部分地区果园介壳虫发生越来越严重,对梨、红枣、苹果造成很大危害,在南疆地区尤为明显。在成年结果树上,以橄榄片盾蚧和梨圆蚧为主,在幼树上,以吐伦球坚蚧为主。糖槭蜡蚧兼有发生,北疆重于南疆。1发生规律及症状1.1梨圆蚧别名较多,又称梨笠盾蚧、梨夸圆蚧、梨笠圆 In some parts of Xinjiang, the orchard scale insects are more and more serious, causing great harm to pears, red dates and apples, especially in southern Xinjiang. In the tree of adult results, olive patches and pest scale Kuwana dominated in saplings, dominated by Tuoling ball. Sugar maple wax scale all occur, the northern heavy in southern Xinjiang. 1 Occurrences and Symptoms 1.1 Pear colubris alias more, also known as Pear Shield mesova, Pear Ku Kui scale, pear circle