Cephalophlugis gaucho Tavares, Acosta and Timm, 2022

Acosta, Riuler C., Timm, Vítor F., Zefa, Edison, da Costa, Maria K. M., Ruschel, Tatiana P., Lopes, Dimitrius A. R. & Kaminski, Lucas A., 2025, Pampa singers: an acoustic and visual guide to singing insects (Orthoptera and Hemiptera), Journal of Natural History 59 (21 - 24), pp. 1541-1589 : 1567-1568

Cephalophlugis gaucho Tavares, Acosta and Timm, 2022

Calling song

Composed a long echemmes varying between short and long syllables, with brief sessions of reduced intervals. Each echemme lasts for 19.97 ± 5.74 (15.18–26.34) seconds, with short and long syllables lasting 0.51 ± 0.59 (0.02–2.06) and 14.34 ± 2.86 (11.09–16.49) seconds, respectively. Peak frequency is 23.43 ± 0.59 (22.1–24.3) kHz, with a bandwidth of 8.62 ± 0.39 (8.06–9) kHz.

Collection site

Parque Natural Municipal Saint-Hilaire. The males were recorded and collected between March and April 2022, with temperatures ranging between 20 and 22°C, between 7 pm and 10 pm. The males produce signals on the adaxial surface of plants up to 2 metres in height ( Figures 11A and 12A ).

Remarks

Calling song previously described by Tavares et al. (2022).

Figures

Figure 11. Songs of Meconematinae and Phaneropterinae katydids. (A) Calling song of Cephalophlugis gaucho Tavares, Acosta and Timm, 2022. (B) Calling song of Dasyscelus normalis Brunner von Wattenwyl, 1895. (C) Calling song of Scaphura elegans (Serville, 1838). (D) Calling song of Anaulacomera sp. 1. (E) Calling song of Anaulacomera sp. 2. (F) Calling song of Grammadera clara Brunner von Wattenwyl, 1878. (G) Calling song of Vellea cruenta (Burmeister, 1838).

Figure 12. Visual guide of Meconematinae and Phaneropterinae Pampa katydids with songs recorded. (A) Cephalophlugis gaucho Tavares, Acosta and Timm, 2022. (B) Dasyscelus normalis Brunner von Wattenwyl, 1895. (C) Scaphura elegans (Serville, 1838). (D) Anaulacomera sp. 1. (E) Anaulacomera sp. 2. (F) Grammadera clara Brunner von Wattenwyl, 1878. Bar: 1cm. Photos by Gustavo Costa Tavares (A), and Riuler Corrêa Acosta (B-F).