Bioacoustics of Macropsis (Macropsis) gravesteini

Figs. 21 , 102–106 , 112–115 Description. Bright green or yellowish green, occasionally, with black frontal spot ( Fig. 21 ). Abdominal apodemes of 2 nd tergite in male comparatively long and narrow, with sinuate inner margins; sternal apodemes narrow triangular, separated by wide rounded notch ( Figs. 102, 104 ). Penis in side view rather narrow, tapered evenly to apex ( Figs. 103, 105 ). 2 nd valvulae of ovipositor with 3–5 preapical teeth ( Fig. 106 ). Body length (including tegmina): ♂ , 4.2–4.6 mm ; ♀ , 4.7–5.5 mm . Specimens from European Russia ( Figs. 102–103 ) and Southeastern Kazakhstan ( Figs. 104–106 ) have no significant differences in shape of apodemes and genitalia. Calling signals. Signals of males from the following localities were investigated. 1. Crimea , environs of Pereval’noe Village halfway from Simferopol to Alushta , from Salix alba , 16–17. VI. 1997 , calling signals of 3 males recorded at 22–25 oC . 2. Southeastern European Russia , Saratov Oblast , 15 km southwest of Khvalynsk Town, environs of Ulyanino Village, from S . alba and S . euxina , 15–17. VI. 1996 , signals of 5 males recorded at 22 and 31 oC . 3. Southeastern European Russia , Volgograd Oblast , Ilovlya River about 5–7 km from the mouth (ca. 4 km southwest from Ilovlya Town ), from S . alba . 8. VI. 1996 , calling signals of 3 males recorded at 20–26 oC . 4. Southeastern Kazakhstan , the floodplain of Lepsy River near its exit from the foothills of Dzhungarsky Alatau Mtn. Range to the plain ( 13 km south of Kolbay Village ), from S . alba , 18–19. VI. 2019 , signals of 4 males recorded at 26–28 oC . 5. Southeastern Kazakhstan , Karakol River 27 km south of Taskesken Village in the western part of Tarbagatai Mtn. Range, from S. alba , 24. VI. 2019 , signals of 1 male recorded at 25 oC . Calling signal consists of short phrases following each other with a period from 1.5 up to 10 s and consisting of two or three syllables each. Amplitude relation of syllables can vary, but typically the syllable 2 nd from the end of a phrase has the highest amplitude. Signals of males from European Russia and Kazakhstan are almost identical ( Figs. 112–115 ).