1. A study of the biology of Rhopalosiphum padi (Homoptera: Aphididae) in winter wheat in northwestern Indiana;Araya;The Great Lakes Entomol.,1987
2. Mechanisms reducing intraspecific competition in Patella spp.: Migration, differentiation and territorial behaviour;Branch;J. Anim. Ecol.,1975
3. Feeding behavior of Rhopalosiphum padi (L.) and Sitobion avenae (F.) (Horn., Aphididae) on wheat as affected by conspecific and interspecific interactions;Chongrattanameteekul;J. Appl. Ent.,1991
4. Distribution of aphids in cereal crops;Dean;Ann. Appl. Biol.,1970