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柑桔红、黄蜘蛛是柑桔上的主要害虫。两种蜘蛛,每年均盛发于4—5月间,春季高温干旱时,常猖獗成灾,严重为害引起大量落叶,影响树势。在甜橙树上,六月以后虫口很低,虫和卵在秋梢上越冬,是次年为害的主要是源。花蕾蛆是柑桔花蕾期的主要害虫,一年发生1—2代,于3月上旬至4月下旬发生,成虫在花蕾上产卵,幼虫蛀入蕾内为害,破坏蕾内组织。花蕾被害后,影响开花结果,使花蕾
Citrus red, yellow spider citrus is the main pest. Two kinds of spiders, every year are flourishing in April-May, spring high temperature and drought, often rampant disaster, serious damage caused by a large number of leaves, affecting the tree potential. On the sweet orange tree, the insect population is very low after June, with insects and eggs overwintering on the autumn tips. The main source of damage in the following year is the source. The flower bud maggot is the main pest of citrus bud stage, occurs 1-2 generations a year, from early March to late April occurs, the adult spawns on the bud, the larvae invade the bud damage, rupture of the bud tissue. After the buds were killed, affecting the flowering results, so buds