Gryllus brevicaudus Weissman, Rentz, and Alexander 1980
12 s of calling song; male from Jasper Ridge, San Mateo Co., Calif.; 27.0°C. Recording by D. B. Weissman (S92-44, R92-9); used by permission.
Click on sound bar to hear graphed song.
Sound spectrogram of 2 s of calling at 27.0°C (from D. B. Weissman's S92-44, R92-9). Dominant frequency 5.1 kHz.
Song at 25°C:
Weissman et al. (1980) described the song as having 3 to 6 pulses per chirp and averaging 150 chirps per minute at 25°C.
G. brevicaudus has jet-black body and legs, hindwings shorter than forewings, and an ovipositor shorter to slightly longer than the hind femur. Tegmina have a yellow tinge on the lateral field near the base (Weissman et al. 1980).
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 are now completing their plans for publishing their results regarding the Gryllus of US and Canada. Their target date is January 2019, and their results will be made publicly available on SINA as soon as possible.