• Biological Control of Exotic Aquatic and Wetland Plants
• Biological Control: A Guide to Natural Enemies in North America
• Center for Aquatic and Invasive Plants

General

• Association of Natural Bio-control Producers
• Biological Control: A Guide to Natural Enemies in North America
• Biological Control Agent Matrix
• Biological Control Insects For Aquatic, Wetland and Invasive Plants
• Biological Control Laboratory (Texas A&M University)
• Biological Control Laboratory (Purdue University)
• Biological Control of Weeds: X International Symposium
• Biological Control Virtual Information Center
• Biological Management with Insects
• Center for Aquatic and Invasive Plants
• Environmental Protection Agency (EPA)
• Federal Plant Pest Regulations [PDF]
• Importation of Plants or Plant Products by Mail [PDF]
• Importation of Seed and Screenings Under the Federal Seed Act [PDF]
• Information Management System for Invasive Species
• Major Problem Weeds & Biological Control Agents - Australia
• National Agricultural Pest Information System
• National Biological Control Institute - removed from USDA site
• National Integrated Pest Management Network
• Noxious Weeds
• Noxious Weeds Project List
• Noxious Weed Regulations [PDF]
• Plant Quarantine Safeguard Regulations [PDF]
• Waterways Experiment Station

Biological Control Product Sources

• Biological Control of Weeds, Inc