Citation | Ramzan, M., M. Abbas, S. Abbas, N. Hussain, M. Aslam, J.A. Shah, M. Irshad and M. Khaliq. 2020. Incidence of different aphid species on various high yielding wheat varieties. Pakistan Journal of Agricultural Research, 33(4): 911-916. DOI | http://dx.doi.org/10.17582/journal.pjar/2020/33.4.911.916