Acknowledgments We express many thanks that Institute Special Fund for Basic Research, Institute of Forest Ecology, Environment, and Protection, Chinese Academy of Forestry (CAFRIFEEP201406, CAFRIFEEP201102-5) and the National Natural Science Foundation of China (31200492) supported this work. SFZ designed the experiments, carried out the laboratory work, analyzed the data and drafted the manuscript. ZZ designed the experiments and modified the manuscript. HBW and XBK modified the manuscript, and GZ and JXY reared and applied insects.
Trichogramma dendrolimi Matsumura (Hymenoptera: Trichogrammatidae) is one of the preponderant egg parasitoids of Dendrolimus spp., which are important defoliators of coniferous forests. This parasitoid wasp has bee...