Phyllis appears frequently in Greek and Roman pastoral poetry as an archetypal shepherdess, most notably in Virgil's Eclogues; her name became synonymous with rustic beauty and pastoral innocence. In the pastoral tradition, Phyllis often represents faithful love or tragic abandonment, embodying the emotional landscapes of the countryside. The character recurs throughout neoclassical poetry as a stock pastoral figure, symbolizing the idealized simplicity of rural life contrasted with urban corruption and complexity.

Phyllis appears throughout pastoral poetry as a shepherdess beloved or abandoned, the name becoming so conventional it signifies pastoral itself, as in "piping to Phyllis." Poets invoke Phyllis as a generic pastoral beloved, using the name to signal the bucolic mode. The character's ubiquity demonstrates how certain names became inseparable from pastoral genre, with "Phyllis" functioning almost as shorthand for "pastoral beloved" rather than naming a specific individual. Phyllis shows how classical names could signal genre conventions and literary traditions.