Roesel's Katydid
Roeseliana roeselii
(Hagenbach 1822)
map
long-winged male
short-winged male
short-winged female
male
Alien
origin and spread of this SINA species.
20 s of calling song; male from Oswego County, New York; 24.3°C. Peak frequency 15 kHz. (WTL301-1)
This waveform is a 7 s excerpt of the 20 s audio file accessible above. Click on waveform to expand 0.8 s at end of phrase.
Above graphed song slowed to half speed, which halves the frequencies and doubles the time.
References:
Kevan 1961
,
Nickle 1984
,
Vickery 1965
.
Nomenclature:
OSF
(Orthoptera Species File Online).
