ɛkspɹˈɛʃən ʌvðɪ ˌʊltɹɐvˈaɪəlɪt wˈɪŋ ɹᵻflˈɛktəns pˈætɚn fˈaʊnd ɪn mˈeɪl sˈiː. jˈuːɹɪθˌiːm ɪz kəntɹˈoʊld baɪ ɐ ɹᵻsˈɛsɪv ɐlˈiːl ɔnðɪ ˈɛkskɹˈoʊməsˌoʊm.
Expression of the ultraviolet wing reflectance pattern found in male C. eurytheme is controlled by a recessive allele on the X-chromosome.