The imported cabbageworm, a native of Europe, has become a major perennial pest throughout the United States and Canada since its discovery in North America in 1860. The cabbageworm attacks cabbage, broccoli, cauliflower, ...

The cabbage looper is native to the United States and feeds on many cultivated vegetables, including all members of the cabbage family. This pest survives the winter only in the Gulf States. The adults migrate northward ...

Onion thrips are present throughout the United States and in many other parts of the world. They feed on numerous vegetable plants, weeds, and field crops. In northeastern United States, they are a perennial pest of onions ...

The swede midge is a relatively new insect pest in North America and poses a serious threat to cruciferous vegetables and field crops. It was first identified in Ontario, Canada in 2000 and in the United States in 2004 in ...