Euplectrotettix schulzi Bruner, 1900

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 : 1557-1558

Euplectrotettix schulzi Bruner, 1900

Calling song

Composed of a sequence of echemmes that vary in duration. The first type of echemme lasts 2.13 ± 0.68 (1.125 –2.639) seconds, with 12.75 ± 2.5 (9–14) syllables spaced at intervals of 0.206 ± 0.038 (0.17–0.271) seconds. The second type of echemme, shorter in duration, lasts 0.642 ± 0.38 (0.342 –1.268) seconds, with 12.8 ± 2.94 (10–17) syllables spaced at intervals of 0.031 ± 0.007 (0.025–0.05) seconds. Throughout the emission, the peak frequency is 10.71 ± 0.34 (10.24–10.93) kHz, with a bandwidth of 13.805 ± 1.78 (11.54– 17.398) kHz.

Alert song

Not recorded.

Collection site

Parque Estadual de Itapuã. Males produce signals between 8 am and 2 pm in open field habitats. Alongside signal emission, males perform a series of jumps during the emission intervals. Males were recorded and collected between January and February of 2020 and 2022, at 8 am, at a temperature of 30°C ( Figures 6B–C and 7B ).

Remarks

Calling song previously described by Riede (1987).

Figures

Figure 6. Song of grasshoppers. (A). Calling song of Eutryxalis filata (Walker, 1870). (B). Calling song of Euplectrotettix schulzi Bruner, 1900. (C). Alert song of Euplectrotettix schulzi Bruner, 1900. (D). Calling song of Sinipta dalmani (Stål, 1861). (E) Calling song of Xyleus discoideus discoideus (Serville, 1831). (F) Courtship song of Xyleus discoideus discoideus (Serville, 1831). (G) Calling song of Chromacris speciosa (Thunberg, 1824).

Figure 7. Visual guide of Pampa grasshoppers with songs recorded. (A) Eutryxalis filata (Walker, 1870). (B) Euplectrotettix ferrugineus Brunner, 1900. (C) Xyleus discoideus discoideus (Serville, 1831). (D) Chromacris speciosa (Thunberg, 1824). Bar: 1cm. Photos by Riuler Corrêa Acosta.