D.sibirica Telenga acts as a dominant parasite of Liromyza larvae.The rate of parasitism varies in different crops,seasons and environments,and can be greatly influenced by chemical insecticides.

• 后者数量不多,而前者是当地的优势寄生蜂,其寄生率常随作物、季节、环境等因素而变化,化防的影响更大。