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BioAcoustica is a free, open repository of wildlife sound recordings from the Natural History Museum, London.

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Tettigonia cantans

Species · 18 recordings · 4 specimens

Recordings

589:1 Tettigonia cantans (768r1)2:05 · Fer Willemse
600:3 Tettigonia cantans (14r3)17:51 · David R. Ragge
97_1_Tettigonia cantans6:28 · David R. Ragge
100_3_Tettigonia cantans8:12 · David R. Ragge
133_5_Tettigonia cantans7:42 · David R. Ragge
565_9_Tettigonia cantans1:01
565_10_Tettigonia cantans0:46
Tettigonia cantans 113_57:42 · David R. Ragge
male from Tatrzanski National Park, Poland0:08
field recording at 16.15 h, 20°C (Uher 4200IC, tape U4)0:46
field recording, 26/8/1990, sunshine (Sony WM-D3 with Universum mono, tape: UX-Pro60, tape no. SO7/90:386-440)0:18
field recording, 26/8/1990, 18°C (Sony WM-D3 with Universum mono, tape: UX-Pro60, tape no. SO8/90:005-051)0:28
lab recording, 12/9/1990, 22°C (Kenwood KX880HX with AKG D202, tape: S-MES90, tape no. KW34:34.00-37.00, microphone filter below 100 Hz)0:16
lab recording, 14/8/1978 at 21.00 h, 14°C (Uher 4200IC, tape no. U6g, day song & night song)2:15
422:13 Tettigonia cantans (595a)3:28 · W. J. Reynolds
422:14 Tettigonia cantans (595b)6:09 · W. J. Reynolds
423:1 Tettigonia cantans (596a)5:33 · W. J. Reynolds
423:2 Tettigonia cantans (596b)5:17 · W. J. Reynolds

Specimens

Tettigonia cantans NHMUK BMNH(E) 0102111251974-08-22 · David R. Ragge
Tettigonia cantans NHMUK BMNH(E) 0102111241973-08-14 · David R. Ragge
Tettigonia cantans BioAcoustica Ragge 21973-08-12 · David R. Ragge
Tettigonia cantans NHMUK BMNH(E) 0102111231973-08-10 · David R. Ragge

Literature

Grzywacz, Beata; Heller, Klaus-Gerhard; Warchałowska-Śliwa, Elżbieta; Karamysheva, Tatyana V.; Chobanov, Dragan Petrov (2017). Evolution and systematics of Green Bush-crickets (Orthoptera: Tettigoniidae: Tettigonia) in the Western Palaearctic: testing concordance between molecular, acoustic, and morphological data. Organisms Diversity & Evolution, 17(1): 213 - 228.
Hartbauer, Manfred; Ofner, Elisabeth; Grossauer, Viktoria; Siemers, Björn M. (2010). The Cercal Organ May Provide Singing Tettigoniids a Backup Sensory System for the Detection of Eavesdropping Bats.
Latimer, William; Sippel, Martin (1987). Acoustic cues for female choice and male competition in Tettigonia cantans. Animal Behaviour, 35(3): 887 - 900.
Schatral, Andrea; Latimer, William; Broughton, Bill (1984). Spatial Dispersion and Agonistic Contacts of Male Bush Crickets in the Biotope. Zeitschrift für Tierpsychologie, 65(3): 201 - 214.
Kalmring, Klaus; Kühne, Roland (1980). The coding of airborne-sound and vibration signals in bimodal ventral-cord neurons of the grasshopper Tettigonia cantans. Journal of comparative physiology, 139: 267–275.

Behaviour

The loud, sibilant calling song is produced both during the day (especially afternoon) and at night, and is much influenced by temperature. In warm, sunny weather the song usually consists of echemes lasting about 1-7 s, with a marked crescendo in the early part of each echeme (Figs 209, 210). As the temperature falls in the late afternoon the echemes become longer, and the nocturnal song (Figs 211, 212) often continues without interruption for several minutes. In warm daytime conditions the syllable repetition rate is usually more than 35/s and can be as high as 55/s in hot sunny weather; on cool nights the rate drops to below 20/s and can be as low as 10/s (rarely 6/s) in cold conditions (c 10°C). OScillographic analysis shows that the sound is almost always produced only by the closing strokes of the forewings. In warm conditions the closing hemisyllables last about 12-20ms, but become longer at lower temperatures,lastingup to 70 ms or more on cool nights. The intervals between successive hemisyllables are also temperature-dependant, ranging from about 5-10 ms at high temperatures to about 30-40 ms in cool conditions.

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

Behaviour

Its song is an even, very loud buzzing, so that individual syllables cannot be distinguised. The rate of wing-vibration is similar to that of T. viridissima, but the individual syllables are equally saced, so that the song seems to be a uniform buzz. Only in very cool weather is the rate of wing vibration slow enough for individual syllables to be clearly audible.

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

Behaviour

Idänhepokatin ääntely muistuttaa suuresti lehtohepokattia, mutta se ei ole kaksi-iskuista, vaan sirahdukset toistuvat tasajakoisesti (CD6) (kuva s. 69). Toinen selkeä ero on päiväajan äänessä, joka ei ole yhtäjaksoista, vaan koostuu äänenvoimakkuudeltaan kasvavista, yleensä 1-7 sekuntia pitkistä sirahdussarjoista (CD 5). Idänhepokatin ääni on hieman matalamppa kuin lehtohepokatin, äänenvoimakkuuden huippu on noin 8 kHz:n taajuudessa (toinen vaimeampi huippu on noin 16 kHz:n taajuudessa). Sirahdusten määra on lämpötilasta riippuen yleensä 10-50 sekunnissa.Hyvin lämpimällä säällä sirahdukset voivat sulautua yhtäjaksoiselta kuulostavaksi "huudoksi". Laji voi sirittää viela vähän alle kymmenen asteen lämpötilassa. Hyvissä olosuhteissa idänhepokatin ääni kuuluu yli sadan metrin päähän. Lehtohepokatin tavoin idänhepokatti aloitta sirittämisen yleensä iltapäivän, mutta lämpimänä päivänä jo aamupäivän puolella. Siritys jaktuu aamuyöhön, jos lämpötila ei laske liikaa. Koiraat sirittävät tyypillisesti kasvien ylemmissä osiisa, ja jos yksilöitä on paljon, niillä on taipumus järjestäytyä sirittämään tasaetäisyydelle toisistaan, esimerkiksi 3-5 metrin välein. Naaras löytää koiraan luo sirityksen ja sirityksestä aiheutuvan kasvin värähtelyn perusteella. Tieteellinen lajinimi cantans (lat.) tarkoittaa 'laulavaa'.

Source: Karjalainen, Sami (2009). Suomen heinäsirkat ja hepokatit.

Behaviour

Females of the katydid T. cantans appear to get the best of both proximity and male body size when choosing calls. They preferentially orient to songs with high-frequency harmonics indicative of nearby males (69), but when the song are broadcast from a similar distance, they prefer calls with lower carrier frequencies produced by the larger tegminal mirror frames of relatively large males (68; see also 101).

Source: Brown, W. D. (1999). MATE CHOICE IN TREE CRICKETS AND THEIR KIN.

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