Dasyscelus normalis Brunner von Wattenwyl, 1895

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 : 1569

Dasyscelus normalis Brunner von Wattenwyl, 1895

Calling song

Composed a short echemmes emitted at long intervals. The echemmes last 0.57 ± 0.02 (0.564 –0.613) seconds, each containing 45.4 ± 4.15 (40–49) syllables, with echemes interspersed by 9.19 ± 2.31 (5.87–11.2) seconds. Peak frequency is 21.31 ± 0.32 (20.9– 21.72) kHz, with a bandwidth of 9.18 ± 0.13 (9–9.37) kHz.

Collection site

Santa Vitória do Palmar, Donatos district. The male was recorded and collected on April 21, 2021, at 9 pm, with a temperature of 17°C. The males were found singing on tree trunks, approximately 2 metres above ground level ( Figures 11B and 12B ).

Remarks

Calling song previously described by Fianco 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).