Keyun Biocontrol, the leading manufacturer&supplier of a broad range of Biocontrol solutions, recently released by drone Trichogramma chilonis, a parasitic wasp to cover 5000 mu, equivalent to 333 ha. of paddy field for the control of Chilo suppressalis(Rice Stem Borer)in Xinyang of Henan Province, China. In the coming years, the releasing area of Trichogramma chilonis in Xinyang is projected to reach 200,000 ha annually.
