The main sap-feeding insects of economic concern on pulse crops in Canada and the northern United States are the pea aphid, Acyrthosiphon pisum (Harris) (Hemiptera: Aphididae), Lygus bugs, Lygus spp. (Hemiptera: Miridae), and the potato leafhopper, Empoasca fabae (Harris) (Hemiptera: Cicadellidae). This review explores monitoring, decision making, and management strategies available for an integrated pest management program for these insects in pulse crops. Monitoring techniques and economic thresholds have been developed in some pulse crops for some of these insects, such as pea aphids in field peas, and potato leafhoppers in dry beans. In many instances, however, thresholds are either nominal or lacking. Few cultural controls are available as management options, and resistant varieties available to farmers are lacking. Recently, there have been some selective or partially selective insecticides registered for these insects in pulse crops, although more are still needed. Some biological controls exist, but research on additional biological controls, and possibly methods of incorporating them into existing thresholds, are needed. Progress has been made in providing strategies to manage sap-feeding insects in pulse crops, while preserving beneficial insects, but more work is still needed.
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