mˈoʊst spˈiːsiːz ɑːɹ nˈeɪɾɪv tə mˈɛksɪkˌoʊ, ðə juːnˈaɪɾᵻd stˈeɪts, ænd kˈænədə, wɪð sˈɛvɹəl spˈiːsiːz əkˈɜːɹɪŋ ɪnðə wˈɛst ˈɪndiz ænd sˈɛntɹəl ɐmˈɛɹɪkə.
Most species are native to Mexico, the United States, and Canada, with several species occurring in the West Indies and Central America.