Spodoptera frugiperda (J. E. Smith), a species of moth known also as fall armyworm. It derives its name for its ability to devour entire crops, moving from food source to food source collectively like an army. It is found in tropical environments from the United States to Argentina.
Mayaguez, Pureto Rico
July 23, 1955
Collected at light
J.A. Ramos
USNM ENT 00065540