桔小实蝇 Strumeta dorsalis Hendel(或 Dacus dorsalis Hendel),亦有人称之东方果实蝇,是我国对外植物检疫对象之一。有关文献记载,它的寄主植物达250多种,大多是水果类。其幼虫为害果实,潜居果瓤食害,使果实腐烂,造成落果。在我国台湾省,桔小实蝇是国艺作物最大害虫,被害作物广及柑桔、芒果、番石榴、莲雾等30多种果树,受害面积约有十多万公 Strumeta dorsalis Hendel (or Dacus dorsalis Hendel), also known as the Oriental Fruit Fly, is one of the foreign quarantine objects of our country. The literature records, it hosts more than 250 kinds of plants, mostly fruit. Its larvae damage fruit, latent fruit 瓤 eat harm, so that the fruit decay, resulting in falling fruit. In Taiwan Province of China, orange fruit flies are the largest pests of Chinese arts and crafts. They are widely affected by over 30 kinds of fruit trees such as citrus, mango, guava and lotus. The affected area is about 100,000