These are small, soft-bodied insects with a wide color range varying from green to black. The aphids remove plant juices, causing the leaves to curl and turn yellow. They may cause a failure of bloom set in tomatoes. Aphids attack most vegetables, but they tend to cause more damage to peas, okra, mustard, cabbage, and turnips. Harlequin Cabbage Bug Description.
Adults are black, red, and yellow and shield-shaped.
Cabbage, collards, mustards, and turnips. May also feed on potatoes, tomatoes, and okra. Spider Mites Description. These small, eight-legged creatures are light green to red and are barely visible to the naked eye. A fine web is often formed on the infested plants.