梅■蛾幼虫,早春自越冬处所爬出,即严重为害桃树,先食害桃花,影响受粉,甚至把花吃光;继而暴食嫩叶,轻者吃成缺刻,重则吃光。1957年保定农校的桃树经此虫为害后,虽继续发出第2次新叶,但呈现缩小的状态,妨碍着树势的发育和果实生产。过去文献中,在华北地区尚少记载,现在将初步观察结果,供同志们参考。 May ■ moth larvae, as early as the spring climb out of the winter, that is, pest damage to the peach, prey peach damage, affected by the powder, and even the flowers; then bingeing young leaves, the light eaten into nicks, while the light eaten. In 1957, peach trees in Baoding Agricultural School were damaged by this pest, but the second new leaf was continued to emerge. However, the peach trees shrank in the state of shrubs and impeded the development of shrubs and fruit production. In the past literature, there are still few records in North China, and the results will now be preliminary for reference by our gay people.