柑桔大实蝇,俗称果蛆,属全国检疫对象和禁境二类有害生物。据近三年疫性普查,柑桔大实蝇在陕西安康市桔园普遍发生,面积达10万亩左右。一般虫树率达55%,虫果率达20%～30%,个别桔园虫果率高达70%以上,甚至完全绝收,是安康桔区的主要害虫。由于气候异常变化的影响,加之果品调运频 Citrus fruit fly, commonly known as fruit maggots, is a national quarantine object and the second class of banned pests. According to the epidemic census in the past three years, citrus fruit fly occurred in Anqu City, Shaanxi Orange Garden, an area of ​​about 10 acres. The general rate of insect-tree 55%, fruit rate of 20% to 30%, individual orange fruit rate of more than 70%, or even completely off, is the main pests of Ankang orange zone. Due to the impact of abnormal climate changes, coupled with the frequency of fruit transport