Tibicen marginalis (Walker 1852)

30 s of calling song.
UMMZ#789, St. Charles Par., LA, 13 Aug. 1959, 88F, TEMoore, morning, parabola; 0.75 MB, 1 m 29.56 s, edited start & end, filtered below 2.54 kHz & above 11.3 kHz.