With spring approaching, the citrus industry in California will soon begin monitoring for California Red Scale. Now is a great time to review best practices for monitoring the pest.
In the Central Valley of California, depending on location, the fourth flight of California Red Scale Aonidiella aurantii in citrus would have started between the 20th and 30th of August based on degree-day accumulation.
Have you seen the latest video produced by the Lodi Winegrape Commission? It features various Vine Mealybug biocontrol measures in California vineyards.
Growers typically deploy pheromone mating disruption for Planococcus ficus (Vine Mealybug, VMB ) in the spring. Depending on local practices and availability of labor, deployment can be done before the first flight (April), or just before the second flight (late May). Grower experience shows both strategies can be effective.