The idea under study here is simple: plant something even more attractive than faba beans along the field edge, draw lygus in and hit them with an insecticide before they move on.

A study explores how bracketing crops such as safflower or sunflower could help manage lygus in faba fields
Singing Gardener: Plus some thoughts on grape juice and its plentiful health benefits
Singing Gardener: Plus, some pest controls to try out on your garden plants
Plus, reader feedback on problem deer control
Family business grows native wildflowers and heirloom veggies and markets the seeds