冬天万木萧条,许多花木抖落叶子,放慢生长的脚步,进入了冬眠期。那些曾经随着花木生长而为害花木的病虫害,此时去了哪里,藏身何处,孕育来年的病虫害呢?先说害虫。它们可是千变万化,各有一套适于过冬的本领。从树梢到树根,从树表到枝干内,从地面到土壤里,都有它们建造起来的过冬巢穴。冬天,在苹果园的幼龄果树枝梢尖上,常见像棉帽子一样的卷叶团,揪下来拆开一看,原来里面是一个编织得很细密的小白茧。撕开小白茧,里面一个黑脑壳、黑脚丫、略带一点淡黄色的胖肉虫睡得正香。这就是苹果顶芽卷叶虫。它在春天专门食用苹果顶芽和幼嫩的叶子,影响树梢的生长和树 Winter wood depression, many flowers shake the leaves, slowing the pace of growth, into the hibernation period. Those plants and pests that have been harming the flowers and trees for a long time now have gone to where they shelter and the pests that breed the coming year? But they are ever-changing, each with a set of skills suitable for winter. From the treetops to the roots, from the tree tables to the branches, from the ground to the soil, they all have the winter nest that they built. Winter, in the apple orchard’s young tree branches tip of the tip, common as cotton hat like curly leaf group, pulling down to open a look, the original inside is a very fine woven white cocoon. Tear a small white cocoon, which a black skull, black feet, a little fat yellow fat beetle sleeping soundly. This is Apple’s top bud leaf roller. It specializes in the spring of apple buds and young leaves, affecting the treetops’ growth and the tree