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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: OSFO2 (Orthoptera Species File Online)