桔小实蝇类和瓜实蝇类是果蔬上重要的害虫,它们的原产地在东南亚一带,我国的滇、川、黔、桂、粤、闽等省,也是这两类害虫猖獗的地区。据云南昆明地区,广西百色地区及四川渡口市一带的报道,柑桔、苹果、梨、芒果等果树受小实蝇危害严重。例如,1982年四川渡口市一带的苹果受害80％以上,梨达30％以上,芒果达50％左右。桔小实蝇和瓜实蝇,各有很多的近似种。澳大利亚的实蝇专家屈洛(1978)指出, Fruit flies and fruit flies are important pests on fruits and vegetables. Their origins are in Southeast Asia. The provinces of Yunnan, Sichuan, Guizhou, Guangxi, Guangdong and Fujian in China are also the areas where these two types of pests are rampant. According to reports from Kunming in Yunnan Province, Baise Prefecture in Guangxi Province and Dukou in Sichuan Province, fruit trees such as oranges, apples, pears and mangos are seriously harmed by fruit fly. For example, in 1982, more than 80% of the victims of the ferry in the ferry area of ​​Sichuan were over 30% of pear and about 50% of mango. Orange fruit flies and fruit flies, each with a lot of similar species. The fruit fly expert Quilo (1978) in Australia pointed out: