This document provides information on various insects and other pests, including their mouthparts, metamorphosis, and damage symptoms. It describes the simple and complete metamorphosis of grasshoppers and monarch butterflies. It also discusses mite and insect damage symptoms and mouthparts. Various pests and their impacts are outlined, such as aster yellows disease spread by leafhoppers, stink bug damage to apples, cicada feeding and flagging of trees, viburnum leaf beetle infestation in Wisconsin, gypsy moth caterpillar hosts and defoliation, spruce spider mite feeding on conifers, and slug damage to vegetables. For each pest, key details are provided on