Bushra Siddique, Muhammad Tariq, Muhammad Naeem and Muhammad Ali, 2019. Behavioral Responses of Coccinella septempunctata and Diaeretiella rapae under the Influence of Semiochemicals and Plant Extract in Four Arm Olfactometer. Pakistan J. Zool., 51: 1403-1411. DOI: http://dx.doi.org/10.17582/journal.pjz/2019.51.4.1403.1411