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As the name suggests, the common green capsid is green in color. This camouflaging color in combination with a length of 5-7 mm ensures that the bug is not very easily detected. You can further recognize this bug by a fairly flat body and wings that overlap slightly.

The eggs of the common green capsid, like the adult insect, hardly stand out. They have a clear to green color and are often laid in the veins of young leaves. As a result, they are virtually untraceable. The nymphs are also green in color, but they have strikingly red eyes. The tips of their feelers are orange-red.

A common green capsid, after hatching from the egg, passes through a total of five nymph stages before developing into an adult insect. The eggs hibernate in the veins of young leaves and hatch in April. From the moment the nymphs hatch, they immediately begin to pierce and drain plant cells, especially in the new growth points and in young leaves. As the larvae age, they also begin to pierce the newly budding fruits.

Because there is usually a warm and humid climate in most greenhouses, different generations of the common green capsid prevail in crops all year round (while this does not apply outside the greenhouse).

Most of the damage is caused by the sucking dry (emptying) of plant cells and fruits. On fruits, the damage is visible as brown pitting spots, also called cork spots. Affected leaves get brown spots and can become deformed. In ornamental plants, the flowers may dry out, resulting in economic damage.

An effective way to keep common green capsids out of the greenhouse is to use insect netting over the air vents. To detect the common green capsid in a timely manner, the advice is to hang sticky traps. If the common green capsid bug has entered the greenhouse, you can fight it with natural enemies and/or the chemical product Sivanto Prime. 

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