protean shieldback
Atlanticus testaceus (Scudder 1900)

map	male	male
forewing movement

	20 s of calling song [1.74MB]; male from Middlesex Co., N. J.; 23.0°C. (WTL288-5)
	14 s of calling song of "testaceus pachymerus" [1.23MB]; male from Stanley Co., N. Car.; 27.0°C. (WTL285-2b)
	12 s of calling song of "testaceus pachymerus"[1.67MB]; male from Berkeley Co., S. Car.; 24.0°C. (WTL285-3a)

Waveform of 6 s of calling at 23.0°C (from WTL288-5). Peak frequency 13 kHz.
Click on first half of waveform to hear graphed song.
Click on second half of waveform to expand end of last syllable group.

Waveform of 6 s of calling at 27.0°C (from WTL285-2b). Peak frequency 15 kHz.
Click on first half of waveform to hear graphed song.
Click on second half of waveform to expand end of last buzz.

Waveform of 6 s of calling at 24.0°C (from WTL285-3a). Peak frequency 14 kHz.
Click on first half of waveform to hear graphed song.
Click on second half of waveform to expand next to last syllable group.

Song data: Excel worksheet and chart (from spectrographic analyses).

References: Gangwere 1966, 1967; Manley 1971.

Nomenclature: OSFO2 (Orthoptera Species File Online)