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Harlequin bug on flowering mustard greens plant
Harlequin bugs damage collards, cabbage, broccoli, Brussels sprouts, kale, cauliflower, horseradish, arugula, and other popular mustard-family crops. (Peggy Greb, D3612-1)
Harlequin bugs on a leaf
ARS scientists developed a synthetic version of a harlequin bug pheromone to lure the bugs to traps. (Peggy Greb, D3614-5)
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