how to fight against this parasite during the summer season?

The flea beetle is a small insect that mainly attacks the vegetable garden in late spring. The summer harvests are then in danger. Difficult to eradicate, the best flea beetle fight remains the long-range fight all year round. It attacks vegetable plants, but it can happen to invade the ornamental garden. Here’s everything there is to know about flea beetles and some tips for getting rid of them.

The characteristics of the flea beetle

This insect with a length of several millimeters is part of the beetle family. With his highly developed hind legs, he can jump when he feels in danger. That is why it is also called a garden flea. flea beetle early summer attack when it’s hot and dry, because he doesn’t like humidity. In winter, adult flea beetles hibernate under leaves. Once awake and after eating a few leaves, they lay their Eggs near young shoots. After two weeks, when the eggs hatch, the young insects attack the plant roots

flea beetle
Credit: Arn/Wikipedia


In the garden, the flea beetle is especially fond of plants of the brassicas such as cabbage, radish or turnip. Artichokes, potatoes and tomatoes can also be affected. Symptoms are quite easy to spot: the foliage is usually studded with small round holes† Note that stems can also be affected by flea beetle.

Fight Flea Beetles

First, to combat the flea beetle, it is necessary to think about properly protecting the plants by carrying out mulch at the feet to maintain good humidity that does not allow to attract it. It is also possible to spread ash around the plants, because it has a repellent effect against parasites.

Also remember to sow the most sensitive plantations near the plants of mustard- so they take advantage of the shield effect. As a last resort, an insect repellent veil possible to protect your vegetable plants.

Unfortunately, if the flea beetle attack has already struck and your plants are starting to devour little by little, there are ways to scare them away. Do a first to water regularly and quite abundantly, depending on the plants, this will increase the humidity and deter the small animals. Add to that a spray of nettle manure that is sure to be overwhelming for the insect. If the plants affected by the beetle are in greenhouses, then biological control should be considered, especially thanks to a small wasp called Encarsia Formosa who makes the flea beetle larvae his main course.