红蜡蚧属同翅目、蜡蚧科,在我区部分柑桔产区严重发生,一般危害株率为60％,严重者造成植株枯死、桔园无收。为此,1985年以来,我区连续3年对柑桔红蜡蚧在柑桔产区的发生与消长规律进行了系统观察与调查,现将结果汇报如下: 一、生活经过及习性柑桔红蜡蚧在我区一年发生一代。初孵若虫活动半小时后渐渐固定,将口吻插入奇主组织内吸汁危害。若虫固定2—3天后开始分泌蜡质覆盖体背。雌虫腹面除气门周围外,终生不分泌蜡质;雄虫在未化 Red wax scale is a Homoptera, wax scale Division, in our region, some serious citrus producing areas, the general rate of 60% of the strains, in serious cases caused dead plants, confiscation of orange orchard. To this end, since 1985, our region for three consecutive years citrus red wax scale occurrence and growth in the citrus producing areas were systematically observed and investigated, the results reported as follows: First, the life experience and citrus red Wax scale occurs in our district a year. After half an hour incubation of newly hatched nymph gradually fixed, the tone inserted into the main organization aspiration hazard. Nymphs fixed 2-3 days after the beginning of the secretion of wax covered body back. Female ventral degumming around the door, life-long does not secrete wax; male in the untargeted