ˈɔfən, ðə fˈɜːst nˈoʊɾɪst sˈaɪn ʌvðɪ ɪnfɛstˈeɪʃən ɪz wˈɪltɪŋ ʌvðə vˈaɪn, ænd ɪɾ ɪz tˈuː lˈeɪt fɔːɹ kəntɹˈoʊl ˈɛfɚts æt ðæt pˈɔɪnt.
Often, the first noticed sign of the infestation is wilting of the vine, and it is too late for control efforts at that point.