44 s of calling, from Torrance County, N. Mex., 25.3°C. Dominant frequency 4.5 kHz. Recording by D.B. Weissman (S15-52, R15-159); used by permission.
This spectrogram is a 10 s excerpt of the 44 s audio file accessible above. The excerpt begins at 32 s.
Spectrogram showing first 4 chirps of 10 s sample above.
Song:
Weissman and Gray (2019) described the song as a slow to medium fast chirp with 4-5 pulses per chirp (range 3-6), 60-150 chirps per minute. Pulse rate 9-12 and almost countable at 25°C.
Identification:
A key to the adult males of native US Gryllus is in Weissman and Gray (2019).
Rocky washes, rocky canyons with Joshua tree, Larrea, cactus, Eriogonum; oak-juniper grassland with rocks; rocky slopes with pinyon-juniper; rocky road cuts; on ground at base of walls and in cracks on walls and rocky talus slopes. Never found with solid overhead tree cover.
Life cycle:
No egg diapause. Probably two generations per year.
