Ragweeds (Ambrosia species) are used as food plants by the caterpillars (larvae) of some Lepidoptera species including: Monophagous species that feed exclusively on Ambrosia species * Bucculatrix leaf-miners: * B. agnella - feeds on A. artemisiifolia * B. franseriae - feeds on A. deltoidea * B. transversata - feeds on A. psilostachya * Chionodes mediofuscella * Schinia species * S. dobla - feeds on A. dumosa * S. rivulosa * S. sexplagiata - feeds on A. psilostachya * S. thoreauiPolyphagous species that feed on Ambrosia species among other plants * Bucculatrix leaf-miners: * B. ambrosiaefoliella * B. pomifoliella * Schinia bifascia - recorded on A. trifida