Fig. 1From: Host-plant adaptation as a driver of incipient speciation in the fall armyworm (Spodoptera frugiperda)Genetic differentiation between host-plants and strains. Principal component analysis from A whole nuclear genome, B the Z chromosome, and C autosomes. TPI-sfC and TPI-sfR represent strains identified from the TPI marker. The red and blue points indicate samples collected from corn fields and pasture grasses, respectivelyBack to article page