For details on a time saving scouting procedure, see Sampling Russian Wheat Aphid on the Western High Plains (Colorado State University Cooperative Extension/ Great Plains Agricultural Council Bulletin GPAC 138, available through the Morgan Library).
Recommendations and guidelines for chemical control change quickly. There are often federal, state, and local restrictions that make broad statements regarding pesticide usage of little value. The use of specific insecticides or rates is at times restricted to certain areas or times of the year. It is strongly suggested to check with state and local information guides and the pesticides label when chemical control is being considered. Listed below are selected websites, electronic documents, and books on wheat pest management.
Buntin et al. 2007. Handbook of Small Grain Insects. ESA.
Bockus. 2010. Compendium of Wheat Diseases and Pests. APS Press.