<p>The <b>Biologicals</b> category focuses on living organisms, or products derived from, and utilized for pest and disease control or growth enhancement and regulation. These include: </p> <ul> <li><strong>Parasitoids</strong>,</li> <li><strong>Predators</strong>,</li> <li><strong>Pathogens</strong>,</li> <li><strong>Weed Feeders</strong>,</li> <li><b>Organic Extracts</b> used as stimulants, controls, or soil improvement, and </li> <li><strong>Enzymes and Microbial.</strong></li> </ul> <p><strong><u>Not listed</u></strong> in this category are:</p> <ul> <li> Sites covering <strong>scientific and technical</strong> issues which are found under <a href="/Science/Agriculture/Pests_and_Diseases/Biological_Control/">Science: Agriculture: Pests_and_Diseases: Biological_Contro</a>l.</li> </ul>