Adelosgryllus rubricephalus Mesa and Zefa 2004

Adelosgryllus rubricephalus Mesa and Zefa, 2004 Courtship song A chirp with repetitions that vary according to the proximity of the female. Each phrase lasts for 0.196 ± 0.138 (0.08–0.349) seconds, containing 11 ± 5.291 (7–17) syllables. Intervals between phrases are 0.224 ± 0.007 (0.219 –0.229) seconds long, with a peak frequency of 6.51 ± 0.210 (6.2–6.63) kHz. Collection site Parque Estadual de Itapuã, and Pelotas, at the Campus Capão do Leão of Universidade Federal de Pelotas. Males were found under decomposing wood. Signal production can occur at any time, as the species solely relies on the courtship song, which depends solely on contact with the female. Males were recorded and collected in January 2020, at 8 pm, with a temperature of 23°C (Figure 14G). Remarks Courtship song described in Zefa et al. (2022).