Flea beetles are small, jumping insects that can cause significant damage to plants, especially those in the brassica family. Some synonyms for flea beetle include flea weevil, leaf beetle, and chrysomelid beetle. Other English names for the insect include jacobson's beetle, rabbit beetle, and seed beetle. In French, they are known as altises, while German speakers refer to them as springkäfer. Regardless of their name, flea beetles can be a major problem for gardeners and farmers, so it's important to take steps to protect your plants from their devastating effects.