By Master Gardeners of NoVa: Scale insects, mites, and adelgid insects are among the most injurious and most common insect pests in our landscape that can be controlled with low-impact horticultural oil sprays. Learn about these sap sucking insects, their particular host plants, their life cycles, and optimal timing and methods for controlling them. Find out how you can work with and encourage natural predators and reduce pesticide use to keep your landscape plants healthy and free of these pests. Free. RSVP at https://mgnv.org/rsvp-for-public-education-classes to receive a link to participate.