#11 Potato Leafhopper
Potato leafhoppers have a sucking mouthpart that they use to puncture the vascular tissue of the plant, sucking out the sap of the plants.
#12 Aphids
Aphids infest so many different types of plants. They remove sap from the leaves, they leave behind a sticky residue called honeydew. Natural enemies are one method for controlling the aphid population.
#13 Colorado Potato Beetle
Colorado Potato Beetle is capable of defoliating an entire potato plant quickly. One of the best ways to control this beetle is crop rotation. and Neem oil also is an effective option that works great. Or hand-pick off the beetles and larvae that you spot, and then putting them in soapy water.
#14 Wireworms
Wireworms attack germinating seeds, roots, and tubers. They create holes in the potatoes that happen when they burrow while feeding. Cultivating the soil early in the spring helps to bring them to the surface, and introducing natural enemies is one way to get rid of wireworms.