apple sawfly

例句：

1. 1. The apple sawfly is a common pest in orchards.
   苹果采蝇是果园中的常见害虫。
2. 2.The apple sawfly lays its eggs on the apples, which can lead to disease outbreaks.
   苹果采蝇在其苹果上产卵，这可能导致疾病爆发。
3. 3.The apple sawfly is responsible for damaging many apple trees and causing significant economic losses.
   苹果采蝇对许多苹果树造成损害，并导致重大经济损失。