Spider mites develop rapidly during hot, dry weather and one generation can be completed in as few as eight days. Insecticidal soaps generally offer adequate control when applied before the numbers are too high. Mites can be removed with a strong spray of water. Natural enemies such as lady bugs are important natural controls. Infested plants are weakened and have lower yields.
Damage caused by loopers is ragged foliage.
They rarely reach treatment status on peas and beans in the absence of other foliage feeders. Heaviest populations usually occur on late-planted crops. Cowpea curculios are rarely a problem on snap beans. These are caused when the adult punctures the pod to feed or lay eggs. Damaged peas have small, dark, indented spots and often contain grubs.