A pest can be described as any organism capable of causing damage to crop plant.   Types of Crop Pest Important pests of crop plants are grouped into the following classes: insects birds; rodents; monkeys; man; nematodes.   Insect pests can be classified into various groups based on their mode of feeding. These groups of insect pests include: biting and chewing insects; piercing and sucking insects; boring insects.   Biting and Chewing Insects: These insect pests possess strong mandible and maxillae (mouthparts) which enable them to bite and chew plant parts. Examples are: termites, grasshoppers, leaf worms, army worms, mantids, locusts and beetles. Piercing and Sucking Insects: These insect pests…