Plant-feeding may explain why the generalist predator Euseius stipulatus does better on less defended citrus plants but Tetranychus-specialists Neoseiulus californicus and Phytoseiulus persimilis do not.

The generalist predator Euseius stipulatus (Athias-Henriot) and the Tetranychidae-specialist predators Neoseiulus californicus (McGregor) and Phytoseiulus persimilis Athias-Henriot play a key role in the regulation of Tetranychus urticae Koch in Spanish citrus orchards. Previous studies have shown that sour orange (Citrus aurantium L.) and Cleopatra mandarin (Citrus reshni hort.

Effectiveness of control measures for .

This opinion updates the information included in the previous EFSA Scientific Opinion concerning the control measures for , with a systematic review and critical analysis of the potential treatment solutions that have been published against this pest so far. The output of this opinion focuses on the application of chemical or biological treatments on living plants. studies, hot water treatments, use of resistant varieties and vector control are excluded from the review.

Update of the Scientific Opinion on the risks to plant health posed by in the EU territory.

EFSA was asked to update the 2015 EFSA risk assessment on for the territory of the EU. In particular, EFSA was asked to focus on potential establishment, short- and long-range spread, the length of the asymptomatic period, the impact of and an update on risk reduction options. EFSA was asked to take into account the different subspecies and Sequence Types of .