none Nutrition; Diet; Behaviour; Associations; Ecology; Population dynamics; Land and freshwater zones; Nearctic region; North America; USA Hippodamia convergens; Scymnus louisianae (Coccinellidae ); Prey; Rhopalosiphum maidis (Hemiptera); Predation reduction following interactions with Hymenoptera; Behavioural interactions; Solenopsis invicta (Hymenoptera); Reduction of predation on Hemiptera relationship; Texas; Brazos County; Predation on Hemiptera, reduction; Behavioural interactions with Hymenoptera relationship Lysiphlebus testaceipes (Braconidae); Prey; Rhopalosiphum maidis (Hemiptera); Predation reduction after interactions with other Hymenoptera; Texas Solenopsis invicta (Formicidae); Behavioural interactions; Coleoptera; Reduction of insect predation on hemipteran mutualist relationship; Mutualism; Rhopalosiphum maidis (Hemiptera); Field & laboratory observations; Texas; Brazos County; Interaction with hemipteran mutualist; Reduction of predation by Coleoptera; Neuroptera & Lysiphlebus Rhopalosiphum maidis (Aphidoidea); Mutualism; Solenopsis invicta (Hymenoptera); Field & laboratory observations; Population density; Interaction with hymenopteran mutualist relationship; Predators; Coleoptera; Hymenoptera & Neuroptera; Predation reduction by hymenopteran mutualist; Texas; Brazos County; Interaction with hymenopteran mutualist, field & laboratory studies Chrysopa carnea (Neuroptera); Prey; Rhopalosiphum maidis (Hemiptera); Predation reduction after interactions with Hymenoptera; Behavioural interactions; Solenopsis invicta (Hymenoptera); Reduction of predation on Hemiptera relationship; Texas; Brazos County; Predation on Hemiptera, reduction; Behavioural interactions with Hymenoptera relationship