Eutryxalis filata
Year: 2025
Type: article
Abstract: Eutryxalis filata (Walker, 1870) Calling song Composed of a series of phrases lasting 0.30 ± 0.03 (0.22–0.36) seconds, each containing 10.38 ± 1.55 (8–13) syllables spaced at intervals of 0.82 ± 0.41 (0.47–1.65) seconds. It presents a peak frequency of 11.4 ± 0.8 (10.12–12.65) kHz and a bandwidth of 7.47 ± 1.22 (5.7–8.81) kHz. Alert song Phrase lasting 0.07 ± 0.0007 (0.07–0.071) seconds, composed of 5 ± 0 (5–5) syllables. It presents a peak frequency of 9.42 ± 0.59 (9–9.84) kHz and a bandwidth of 8.859 ± 1.39 (7.87–9.84) kHz. Collection site Parque Estadual de Itapuã. Males produce signals between 8 am and 2 pm in edge habitats and open fields. The males emitted a startle jump preceding the alert sound emission. Males were recorded and collected in February 2023, between 9 and 10 am, at a temperature of 25°C (Figures 6A and 7A). Remarks This is the first official publication of the species’ sound record.
Authors: Acosta, Riuler C., Timm, Vítor F., Zefa, Edison, da Costa, Maria K. M., Ruschel, Tatiana P., Lopes, Dimitrius A. R., Kaminski, Lucas A.
Language: English
Domain: Life Sciences
Open Access status: gold
OpenAlex ID: W7079005175
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