Pests & Diseases for “Lettuce”

North Carolina State University - Pests of Lettuce | NC State Extension Publications

University of California Agriculture and Natural Resources - Managing Pests in Gardens: Vegetables: Lettuce

Texas A&M - Lettuce | Texas Plant Disease Handbook

Penn State - Lettuce | Diseases and Pests, Description, Uses, Propagation

University of California Agriculture and Natural Resources - Lettuce: Heading to Harvest: Pests and their Damage (Central Valley)—UC IPM