1. Aphids These tiny pests cause damage by sucking the juices from the leaves and stems of plants, and spreading disease while they do so. They are fairly easy to get rid of -- sometimes all it takes is a strong blast from your hose to knock them off of the plant. Common Vegetable Garden Insect Pests 2. Asparagus Beetle If those eagerly-awaited stalks of tender asparagus are showing brown spots, scarring, or are bent, asparagus beetles are probably to blame. One of their main