Euscelidius mundus (Haupt, 1927)

Tishechkin, D. Yu., 2024, New data on the male calling signals of Palearctic Deltocephalinae (Homoptera: Cicadellidae), Russian Entomological Journal 33 (1), pp. 9-21 : 11

6. Euscelidius mundus (Haupt, 1927)

Figs 27–28 .

MATERIAL. The Lower Volga Region, Saratov Oblast, Krasnokutskiy District, environs of Dyakovka village , 15.VII.2004, signals of three males recorded at 30–31 °C .

SIGNALS. The male calling signal is a succession of short syllables following each other with a period of about 450–850 ms ( Figs 27–28 ). The male can sing continuously for several tens of seconds.

Figures

Figs 16–28. Oscillograms of male calling signals of Deltocephalinae. 16–20 — Cyanidius collinus; 21–26 — C. turkestanicus; 27–28 — Euscelidius mundus. Faster oscillograms of the parts of signals indicated as “18–20”, “24–26” and “28” are given under the same numbers. Рис. 16–28. Осциллограммы приЗывных сигналов самцов Deltocephalinae. 16–20 — Cyanidius collinus; 21–26 — C. turkestanicus; 27– 28 — Euscelidius mundus. Фрагменты сигналов, помеченные цифрами “18–20”, “24–26”, и “28”, представлены при большей скорости раЗвёртки на осциллограммах под соответствующими номерами.