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Major Insect Pests of Crops
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Fall Armyworm
Affected crops: Corn, rice, sorghum, cotton. Control methods: Bt crops, chemical pesticides, and biological control with natural enemies.
Asian Citrus Psyllid
Affected crops: Citrus species. Control methods: Use of insecticides, release of natural predators, and biological control agents.
Diamondback Moth
Affected crops: Cruciferous crops like cabbage, broccoli, and cauliflower. Control methods: Crop rotation, use of Bt products, introduction of parasitic wasps.
Potato Aphid
Affected crops: Potatoes, roses, vegetables. Control methods: Natural enemies like lady beetles, oil sprays, and insecticidal soap.
Cotton Bollworm
Affected crops: Cotton, soybeans, tomatoes. Control methods: Genetically modified Bt cotton, pheromone traps, chemical insecticides.
Rice Weevil
Affected crops: Stored grains, especially rice. Control methods: Proper sanitation and storage, aeration, use of grain protectants.
Colorado Potato Beetle
Affected crops: Potatoes, tomatoes, eggplants. Control methods: Crop rotation, use of beetle-resistant crop varieties, application of pesticides like neonicotinoids.
Corn Earworm
Affected crops: Corn, tomato, cotton. Control methods: Planting early maturing varieties, applying Bacillus thuringiensis (Bt), using insecticide treatments.
Whitefly
Affected crops: Tomato, cotton, cucurbits, and many ornamental plants. Control methods: Insecticidal soap and oil sprays, introduction of natural predators, and using reflective mulch.
Codling Moth
Affected crops: Apples, pears, walnuts. Control methods: Pheromone mating disruption, timing insecticide sprays to target larvae, trapping and monitoring.
Stem Borer
Affected crops: Maize, sorghum, sugarcane. Control methods: Crop rotation, removal and destruction of infested plants, application of appropriate insecticides.
Aphids
Affected crops: A wide range of vegetables, fruits, and ornamental plants. Control methods: Application of neonicotinoids, using natural predators like lady beetles, reflective mulch to deter colonization.
Japanese Beetle
Affected crops: Over 300 plant species including fruits, vegetables, and ornamental plants. Control methods: Hand-picking, use of traps, applications of insecticides like carbaryl.
Red Spider Mite
Affected crops: Strawberries, melons, tomatoes, ornamentals. Control methods: Predatory mites, water sprays to dislodge mites, miticides.
Thrips
Affected crops: Onions, peppers, tomatoes, and ornamental plants. Control methods: Spinosad-based insecticides, predatory mites, reflective mulch.
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