Back

Nachrichten.fr · 06/06/2026

When Bugs Save the Tomatoes

When you spot a bug in the garden, you rarely think of it as a beneficial creature. Usually, these small insects are considered unwanted guests. However, agriculture in Brittany shows that some bugs can be valuable helpers. In Guipavas near Brest, the cooperative Savéol operates an extraordinary insect farm where millions of predatory bugs, micro-wasps, and bumblebees are bred. Their mission: to protect and pollinate tomato and strawberry crops.

The facility spreads over more than 6,500 square meters. No fruits are grown there for sale, but populations of beneficial insects. Particularly in demand is the bug Macrolophus pygmaeus. This inconspicuous insect develops an astonishing appetite for pests. Whiteflies, aphids, mites, and the eggs of butterfly caterpillars are on its menu. What often becomes a problem for gardeners here turns into food for natural enemies.

The principle behind this is called integrated biological plant protection. Instead of fighting pests exclusively with chemical means, Savéol relies on a finely balanced equilibrium. The beneficial insects keep the pests in check while bumblebees ensure pollination. It is almost like a well-rehearsed orchestra in which every animal plays its own role.

This approach is by no means new. The cooperative began initial trials as early as 1983. Since then, production has steadily increased. Today, millions of predatory bugs and micro-wasps leave the breeding facilities each year to start their service in the greenhouses. A silent army that works around the clock and demands no wages.

It is precisely this change in perspective that makes the story exciting. Animals often considered annoying in many places become allies of modern agriculture. Who would have thought that a bug could one day be a hero of the tomato harvest?

At the same time, this example shows what the agricultural transition often looks like in practice. Romantic ideas of farming in the open air meet high-tech greenhouses and precisely organized production processes here. Tomatoes often grow in controlled systems that do not automatically meet the criteria of organic farming. “Without pesticides” and “organic” do not mean the same thing.

This is exactly where the uniqueness of the Breton model lies. It does not seek a perfect solution but a practical one. Natural enemies, technical monitoring, and modern greenhouse management interact. This may seem less spectacular than big promises but delivers tangible results.

And honestly: Isn’t it fascinating that tiny insects contribute to feeding millions of people? While we select tomatoes in the supermarket, countless little helpers carry out their work in Brittany – almost invisible but indispensable.

An article by M. Legrand