Miogryllus itaquiensis Orsini and Zefa 2017

Miogryllus itaquiensis Orsini and Zefa, 2017 Calling song A mix-trill that varies between two phrases. The first phrase, consisting of a series of short syllables in sequence, lasts 0.108 ± 0.006 (0.104 –0.122) seconds, with each phrase lasting 7.16 ± 0.4 (7–8) seconds, and intervals between phrases of 0.057 ± 0.004 (0.052 –0.064) seconds. The second phrase comprises a trill. Each syllable lasts 0.008 ± 0.0002 (0.0079 – 0.0085) seconds, with intervals of 0.006 ± 0.0001 (0.0067 –0.0071) seconds. Altogether, the second part presents 68.3 ± 0.57 (68–69) syllables per second. The peak frequency is 6.48 ± 0.12 (6.313 –6.575) kHz. Courtship song A mix-trill. Phrases last 0.06 ± 0.006 (0.06–0.074) seconds, with 5.2 ± 0.44 (5–6) syllables. Overall, the interval between phrases is 0.02 ± 0.003 (0.021 –0.029) seconds, with a peak frequency of 6 ± 0.081 (5.935 –6.140) kHz. Collection site Santa Vitória do Palmar, at EstaÇão Ecológica do Taim, Porto Alegre, and Viamão, at Parque Estadual de Itapuã. Males emit signals between 9 pm and 12:30 am in burrows or at the burrow edges located in open areas. Males were recorded and collected between October and January of 2020, 2021, and 2023, with a temperature of 18°C (Figures 17H–I and 18G). Remarks Calling song previously described by Orsini and Zefa (2017).