Figure 3. Relationships between the growth of Spodoptera
littoralis larvae and leaf secondary chemicals across all species (12
pairs of non-native plants and native congeners) and herbivory
treatments (healthy plants and larvae-damaged plants). Relationship
between larval weight gain and leaf phenolic content (A) and leaf
triterpenoid content (B). Data points represent individual non-natives
and native species. Lines indicate significant linear relationships.