Entomology Division, BARI strives to promote excellence in entomological research, especially in plant protection arena. Widespread use of broad-spectrum chemical pesticides has revolutionized pest management. Severe adverse effects of pesticides on the environment, problems of resistance, and public protests have driven demand for alternative pest control tactics. With advances in the development of bio-rational pesticides and other selective chemistries, there is now real opportunity to realize the bio-rational pest management. With above perspectives, Entomology Division of Bangladesh Agricultural Research Institute (BARI) has conducting different entomological researches across the country.