|12 s of calling song [1.00 MB]; male from Jasper Ridge, San Mateo Co., Calif.; 27.0°C. Recording by D. B. Weissman (S92-44, R92-9); used by permission.|
|5 s of calling song [218 KB]; same as above but downsampled and truncated. [Recording by D. B. Weissman; used by permission.]|
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.
Click on spectrogram to hear graphed song.
Identification: 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).
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.
More information: subfamily Gryllinae, genus Gryllus
Nomenclature: OSF (Orthoptera Species File Online)