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mud crack field cricket

Gryllus integer Scudder 1901

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map lectotype male lectotype male  
52 s of calling, from Tulare County, Calif., 24.2°C. Dominant frequency -- kHz. Recording by D.B. Weissman (S16-21, R16-60); used by permission. Click on sound bar to hear entire recording.
This sound spectrogram is a 4 s excerpt of the 52 s audio file accessible immediately above. The excerpt begins at 28 s. Click on sound bar to hear graphed song. spectrogram
Song at 25°C: Song in some populations consists of sequences of 3-pulse units produced at a rate of ca. 17 units per sec. (see upper spectrogram). The effect is a "stutter trill." In other populations sequences of single pulses and of pairs are the rule (see lower spectrogram).
Remarks: As early as 1980 David B. Weissman began publishing the results of his field and laboratory studies of the Gryllus of the United States and Canada (Weissman et al. 1980). By 2003, David Gray had started his cooperation with Weissman by providing genetic analysis of the living Gryllus made available by Weissman's studies (e.g., Weissman, Walker, and Gray 2009). Weissman and Gray's results regarding the Gryllus of US and Canada are in ms and their target date for publication is May 2019. Their results will be made publicly available on SINA as soon as possible.
More information:
subfamily Gryllinae, genus Gryllus
References: Cade & Tyshenko 1990; Hedrick 1986, 1988, 2000; Hedrick & Weber 1998; Smith & Cade 1987.
Nomenclature: OSF (Orthoptera Species File Online)
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