The fall armyworm (FAW),Spodoptera frugiperda (J.E.Smith),is an important agricultural pest with a strong migratory ability.While the species is native to the A
The fall armyworm (FAW,Lepidoptera: Noctuidae),Spodoptera frugiperda (J.E.Smith),invaded China in mid-December 2018; since then,it has become a great threat to