General The lygus bug (or tarnished plant bug) is native to North America, and it is especially common across the eastern half of the continent, from northern
rootworms ( Diabrotica sp.) are a devastating pest of cultivated corn in North America, with losses and management expenditures totaling over 1 billion dollars
area. For example, the introduction of the Australian lady beetle to North America helped control cottony cushion scale populations. Classical biological control