红蜡蚧分布很广 ,危害多种花卉 ,以成虫、若虫在茎、叶上吸食汁液 ,周年不停。虫口密度很高 ,常布满新梢幼枝。其排泄物污染中下部叶 ,严重时一片乌黑 ,诱发霉菌 ,形成煤污。造成落叶 ,使植株长势衰退。其生活史 1年发生 1代 ,以受精成虫越冬。翌年 5月下旬起陆续开始产卵 ,6月 Red wax scale distribution is very wide, endangering a variety of flowers, in adults, nymphs in the stems, leaves, smoking on the juice, anniversary non-stop. Insect density is high, often covered with shoots young shoots. The lower part of the contaminated fecal leaves, a serious black, induced mold, the formation of coal pollution. Cause leaves, so that plant growth recession. Its life history occurs 1 generation a year, to fertilize adult wintering. The following year in late May began spawning, June