Chapter 6 Aphides Lecture Outline 1.General biology of Aphides 2.Bionomics of Aphides 3.Aphides of Cereal Crops 4.Cotton Aphides 5.Vegetable aphides 6.Aphides of Fruit trees 7.Survey and Control on AphidesLecture Outline 1. General biology of Aphides 2. Bionomics of Aphides 3. Aphides of Cereal Crops 4. Cotton Aphides 5. Vegetable aphides 6. Aphides of Fruit trees 7. Survey and Control on Aphides Chapter 6 Aphides Chapter 6 Aphides