brown shieldback
Idionotus brunneus Scudder 1901

female subgenital plate

17 s of calling song [1.43MB]; male from El Dorado Co., Calif.; 27.0C. (D.C. Rentz tape DCR4; used by permission)

Waveform of 4 s of calling at 27.0°C (from DCR4).
Click on first half of waveform to hear graphed song.
Click on second half of waveform to expand next to last syllable group.

Nomenclature: OSF (Orthoptera Species File Online)