Horticulture/Pests and Diseases of Lactuca

Pests
../Aphids/ ../Hoppers/ ../Whiteflies/ ../Bugs/ ../Thrips/ ../Flies/ ../Beetles/ ../Flea Beetles/ ../Caterpillars/ ../Slugs and Snails/
 * Pea Aphid: ../Acyrthosiphon pisum/
 * Bean Aphid: ../Aphis fabae/
 * Brown Ambrosia Aphid: ../Dactynotus ambrosiae/
 * Potato Aphid: ../Macrosiphum euphorbiae/
 * Green Peach Aphid: ../Myzus persicae/
 * Red Lettuce Aphid: ../Uroleucon pseudambrosiae/
 * Cabbage Aphid: ../Brevicoryne brassicae/
 * Lettuce Aphid: ../Nasonovia ribisnigri/
 * Lettuce Root Aphid: ../Pemphigus bursarius/
 * Aster Leafhopper: ../Macrosteles facifrons/
 * Southern Garden Leafhopper: ../Empoasca solana/
 * Silverleaf Whitefly: ../Bemisia argentifolii/
 * Greenhouse Whitefly: ../Trialeurodes vaporariorum/
 * Pale Legume Bug: ../Lygus elisus/
 * Western Tarnished Plant Bug: ../Lygus hesperus/
 * Tarnished Plant Bug: ../Lygus lineolaris/
 * False Cinch Bug: ../Nysius raphanus/
 * Garden Fleahopper: ../Halticus bractatus/
 * Western Flower Thrips: ../Frankliniella occidentalis/
 * American Serpentine Leafminer:../ Liriomyza trifolii/
 * Chrysanthemum Leafminer: ../Phytomyza syngenesiae/
 * Banded Cucumber Beetle: ../Diabrotica balteata/
 * Palestriped Flea Beetle: ../Systena blanda/
 * Redheaded Flea Beetle: ../Systena frontalis/
 * Zebra Caterpillar: ../Ceramica picta/
 * Corn Earworm: ../Helicoverpa/Heliothis zea/
 * Variegated Cutworm: ../Peridroma saucia/
 * Beet Armyworm: ../Spodoptera exigua/
 * Yellowstriped Armyworm: ../Spodoptera ornithogalli/
 * Cabbage Looper: ../Trichoplusia ni/
 * Celery Leaftier: ../Udea rubigalis/
 * Alfalfa Looper: ../Autographa californica/ Western US
 * Celery Looper: ../Anagrapha falcifera/
 * Saltmarsh Caterpillar: ../Estigmene acrea/
 * Western Corn Rootworm: ../Diabrotica virgifera virgifera/
 * Western Yellowstriped Armyworm: ../Spodoptera praefica/
 * Angle Shades: ../Phlogophora meticulosa/
 * Autumnal Rustic: ../Eugnorisma glareosa/
 * Cabbage Moth: ../Mamestra brassicae/
 * Common Swift: ../Korscheltellus lupulina/
 * Garden Dart: ../Euxoa nigricans/
 * Ghost Moth: ../Hepialus humuli/
 * The Gothic: ../Naenia typica/
 * Grey Chi: ../Antitype chi/
 * Heart and Club: ../Agrotis clavis/
 * Heart and Dart: ../Agrotis exclamationis/
 * Ingrailed Clay: ../Diarsia mendica/
 * Large Yellow Underwing: ../Noctua pronuba/
 * The Nutmeg: ../Discestra trifolii/
 * Setaceous Hebrew Character: ../Xestia c-nigrum/
 * The Shark: ../Cucullia umbratica/
 * Small Angle Shades: ../Euplexia lucipara/
 * Turnip Moth: ../Agrotis segetum/

Diseases
../Bottom Rot/ ../Downy Mildew/
 * ../Rhizoctonia/

../Gray Mold/

../White Mold/
 * ../Sclerotinia/

Other Problems
../Calcium Deficiency/