Recordings

565_1 Isophya pyrenaea	0:43
Isophya pyrenaea	0:06
Cevennes, 3 km W of Ganges, lab recording, 10/6/1992, 23.5°C (Aiwa DAT with AIWA CM-S1 stereo, tape: JVC R60-XD, tape no. D06:00.00-05.00)	0:39
Cevennes, ca 3 km W of Ganges, lab recording, 13/6/1992, 22.5°C (Aiwa DAT with AIWA CM-S1 stereo, tape: JVC R60-XD, tape no. D07:00.00-07.30)	0:51
Cevennes, Mt. Bouquet. lab recording, 13/6/1992, 22.5°C (Aiwa DAT with Aiwa CM-S1 stereo, tape: JVC R60-XD, tape no. D07:07.30-12.30)	0:23
Ardeche near St. Martin, field recording, 5/6/1973 (tape no. U7g)	0:12

Literature

Bérenguier, Paul (1908). Biologie de l'Isophya Pyrenæe, Serville. Variêté Nemausensis (Nov.). Bull. Soc. Etudes Sc. Nat. de Nimes, XXXIV(17): 1-13.

Behaviour

The quiet male calling song, produced mainly in the evening and at night, is a series of syllables repoeated at the rate of about 0.6-1.5/s. The main part of each syllable lastas baout 70-120 ms and is often followed after an interval of about 80-250 ms by a very brief 'after-tick'.

Source: Ragge, D. R.; Reynolds, W. J. (1998). The Songs of the Grasshoppers and Crickets of Western Europe. Harley Books.

Behaviour

The quiet song (audible from about 1m) is produced only in the evening and at night. It is a courtship song - a longer soft and a shorter hard sound - which can be represented as 's-ts'. This can continue for minutes without a break.

Source: Bellman, Heiko (1988). A Field Guide to the Grasshoppers and Crickets of Britain and Northern Europe. William Collins & Sons.