Roesel’s katydid
Roeseliana roeselii (Hagenbach 1822)

long-winged male
short-winged male
short-winged female

20 s of calling song [1.77MB]; male from Oswego Co., N.Y.; 24.3°C. (WTL301-1)

Waveform of 7 s of calling at 24.3 °C (from WTL301-1). Peak frequency 15 kHz.
Click on first half of waveform to hear graphed song.
Click here to hear graphed song slowed to half speed, which halves the frequencies and doubles the time.
Click on second half of waveform to expand 0.8 s at end of phrase.

References: Kevan 1961, Nickle 1984, Vickery 1965.

Nomenclature: OSF (Orthoptera Species File Online)