Let's face it - there isn't a gardener or farmer who hasn't come across one of these pests, while working in their organic garden. By finding out more about these insects and ways to control them, it is possible to grow healthy, abundant crops, and keep your garden healthy! Aphid : Aphids passively feed on sap of phloem vessels in plants, as do many of their fellow members of Hemiptera such as scale insects and cicadas. Once a phloem vessel is punctured, the sap, which is under high…