In the tomatoes crop from the protected spaces it must pay attention that besides the insurance of the weather conditions and humidity,also to observ the behaviour of that plant at the pests and diseases. One of the most important pests which produces also the bigest damages to the tomatoes crops from the greenhouses is the californian thrips (Frankliniella occidentalis).  In the West side of the country there are a few investigations concerning this insect and that because the paper emphasizes some experimental data about the bioecology and evolution of the pests in the tomatoes crop from the protected spaces. The peculiarities knowledge of the thrips populations contributes to establish the best moment in applying the treatments against this pest in the tomatoes crop from the protected spaces.

the californian thrips; protected spaces; populations evolution

Presentation: oral