红蜡蚧(Ceroplastes rubens Mask.)为衢县柑桔的重要害虫之一,当地农民称它为红桔虱,为害已有40—50年的历史,在衢县各柑桔产区都有发生。根据我们调查航埠卫星人民公社黄泥山头村受害的桔树占总株数的34.9％,严重的占受害总数的46.2％,最轻的亦有13％,为害品种以衢桔为最多,次为福桔;而在广橙和柚则极少。受害桔树,枝叶枯萎,特别由于红蜡蚧分泌的蜜质,常引起烟煤病,枝叶发黑,以致树势衰弱,可 Ceroplastes rubens Mask is one of the important pests of citrus in Qu county. Local peasants call it red-leaf louse, the damage has been 40-50 years old, and all citrus producing areas have occurred in Qu county . According to our survey, 36.9% of the total number of trees affected by Wong Nut Hill Village in Hanguipu Satellite People’s Commune, accounting for 46.2% of the total number of victims and 13% of the lightest ones, were the most affected species, followed by Fuben oranges; while oranges and grapefruit are few. Victims of orange trees, branches and leaves withered, especially due to the secretion of red wax scale honey, often cause bituminous coal disease, dark leaves, resulting in weak bark may