This week’s armyworm update from UCCE Rice Advisor Luis Espino indicates a spike in the number of moths caught in pheromone traps at several locations. This means it’s important for growers to closely monitor their fields.
In areas with armyworms, moths are flying, mating and laying eggs. Under this scenario, large larvae could be present in about two weeks. Larvae feed on rice panicles and cause broken branches with blank kernels.
Click here for the latest information on the armyworm, including when treatment is recommended.