southern wood cricket
Gryllus fultoni (Alexander 1957)

map
life cycles
male
female
 
 
 
male
 
 
 

20 s of calling song [1.75MB]; male from Westmoreland County, VA; 24.5C. (WTL484-12)
6 s of calling song [260KB]; same as above but truncated and down-sampled.
22 s of courting song [1.85MB]; F1 male reared from Alachua County, FL, female; 25.4C. (WTL484-55)
21 s of fighting song [1.76MB]; F1 males reared from Alachua County, FL, female; 25.4C. (WTL484-54)
20 s of fighting song [1.68MB]; ]; F1 males reared from Alachua County, FL, female; 25.0C. (WTL484-56)

spectrogram
Sound spectrogram of 2 s of calling at 24.5C (from WTL484-12). Dominant frequency 4.5 kHz.
Click on spectrogram to hear graphed song.

spectrogram
Sound spectrogram of 2 s of courting at 25.4C. (from WTL484-55).
Dominant frequency of multipulse sequencies 4.0 kHz; of high-intensity ticks 11.7 kHz.
Click on spectrogram to hear graphed song.

spectrogram
Sound spectrogram of 2 s of fighting at 25.4C. (from WTL484-54).
Dominant frequency of all components 4.0 kHz.
Click on spectrogram to hear graphed song.

spectrogram
Sound spectrogram of 2 s of fighting at 25.0C. (from WTL484-56).
Dominant frequency of all components 4.0 kHz.
Click on spectrogram to hear graphed song.

Gryllus fultoni overwinters as a late juvenile and matures in spring. In most of its range there is a single generation. However, in north Florida some of the progeny of the spring adults mature in late summer and lay eggs that hatch in fall. It is uncertain whether juveniles from this partial second generation contribute to the following springs cohort of adults. (Walker 1974, Fig. 1 and text).

N. Fla. seasonal data

More information:  subfamily Gryllinae, genus Gryllus

References:  Jang and Gerhardt 2005, Jang and Gerhardt 2006.

Nomenclature:  OSF (Orthoptera Species File Online)