A study was conducted to evaluate the relative population abundance of foliar aphid on wheat at three locations (Karnal. Niphad and Kharibari) sown on three different dates during rabi season of 2013-14 and 2014-15. The highest seasonal average population of aphids of 44. 5 and 61. https://www.chiggate.com/3m-speedglas-9002nc-welding-helmet-fashion/