Remove Brown Planthopper N. ligens of Rice Science Center. Kasetsart University Kamphaeng Saen Campus. Leave the rice in a pot over one month in captivity insect size 57.5*60*70 cm. Nymhs feed until Brown Planthopper ages 3 tested.
Remove Brown Planthopper N. lugens of Rice Science Center.Kasetsart University Kamphaeng Saen Campus. The release comes in a pot of rice and aged one month in captivity insect size 57.5 * 60 * 70 cm Nymhs feed until Brown Planthopper 3 and then tested.