Received: 6 December 2018
Accepted: 20 May 2019
First Online: 28 May 2019
Ethics approval and consent to participate
: All experimental works were approved by ICAR-National Bureau of Agricultural Insect Resources, Bengaluru, India, under the umbrella of AICRP-Biological Control project.
: The agreement of publication was taken, and as a corresponding author, I confirm that.
: The authors declare that they have no competing interests.