Xyleus discoideus subsp. discoideus

Xyleus discoideus discoideus (Serville, 1831) Calling song Composed of a long echemme. This echeme lasts for 1.198 ± 0.100 (1.128 –1.313) seconds, containing 68 ± 9.84 (60–79) syllables. The peak frequency is 14.21 ± 1.3 (13.125 –16.687) kHz, with a bandwidth of 13.02 ± 0.33 (12.75–13.687) kHz. Courtship song Composed of a sequence of echemmes. Each of these echemmes lasts for 0.195 ± 0.017 (0.168 –0.230) seconds, with 8.833 ± 2.316 (7–13) syllables at intervals of 0.168 ± 0.025 (0.136 –0.213) seconds. The peak frequency is 12.575 ± 1.230 (11.283 –13.867) kHz, and the bandwidth is 10.421 ± 0.560 (9.733–11.8) kHz. Alert song Not recorded. Collection sites: Santa Vitória do Palmar, Rio Grande and Porto Alegre. Individuals produce signals in shrubs between 0.1 and 0.5 metres above the ground between 11 am and 3 pm. Males were recorded and collected during March 2021, at 3 pm, at a temperature of 21°C (Figures 6E–F and 7C). Remarks The calling song was previously described by Riede (1987).