Several protection methods are recommended to control the development of mites on zucchini and squash in France:

• treat plants before uprooting in the presence of high pest populations;

• leach with water and treat the walls of shelters , posts, concrete walkways with an insecticide or a contact acaricide;

• disinfect the equipment used in the greenhouse (drip system, boxes etc.);

• preheat the greenhouse before planting the plants and carry out an insecticide or acaricide treatment ( e-phy );

• check the sanitary quality of the plants before and during their introduction into the shelter;

• weed the greenhouse and its surroundings;

• use auxiliaries such as the insects Feltiella acarisuga and Macrolophus caliginosus (note that the latter has secondary efficacy) and the mite Phytoseiulus persimilis ;

• consider chemical protection (r) ( e-phy ) *, in particular if you use auxiliaries.

(r): resistance to insecticides or acaricides is known in these pests.

Last change : 04/19/21