After the invasion of fall armyworm (Spodoptera frugiperda) in China at the end of 2018 or at the beginning of 2019. it spreads rapidly and becomes a seasonal migrating pest that seriously threatens the maize production in China. The long-distance migration of adult fall armyworm is closely related to the seasonal changes of atmospheric circulation in East Asia. The atmospheric circul... https://parisnaturalfoodes.shop/product-category/combo-straw-straight/