ɪn ɐdˈɪʃən, ðə pɹˈɛzəns ʌvðə tˈɛɹɪn pˈɪɡmənts ˈɪŋkɹiːsᵻz ðə sˈɪɡnəlz kɹˌoʊmɐtˈɪsᵻɾi ænd pətˈɛnʃəl sˈɪɡnəl kˈɑːntɛnt, sədʒˈɛstɪŋ ðæt ðiːz pˈɪɡmənts ɑːɹ ɹᵻspˈɑːnsᵻbəl fɔːɹ ˈæmplᵻfˌaɪɪŋ ðə kˈɑːntɹæst bᵻtwˌiːn ˌʊltɹɐvˈaɪəlɪt ɹᵻflˈɛktəns ænd bˈækɡɹaʊnd kˈʌlɚz æz ɐ mˈeɪlz wˈɪŋz mˈuːv dˈʊɹɹɪŋ flˈaɪt.
In addition, the presence of the pterin pigments increases the signal's chromaticity and potential signal content, suggesting that these pigments are responsible for amplifying the contrast between ultraviolet reflectance and background colors as a male's wings move during flight.