Chromafenozide is primarily used as an insect growth regulator in agricultural practices. It is effective in controlling lepidopteran pests, which include various species of moths and butterflies that are harmful to crops. The chemical works by mimicking the action of ecdysone, a hormone essential for insect molting, thereby disrupting their normal development and leading to their eventual death. This makes it a valuable tool in integrated pest management programs, helping to protect a wide range of crops such as vegetables, fruits, and ornamental plants. Its targeted action ensures minimal impact on non-target organisms, including beneficial insects, making it an environmentally friendly option for pest control.