list of species keys home help

southern wood cricket

Gryllus fultoni (Alexander 1957)

image image image image
map life cycles male female
image image image  
male female and 2 males Gryllus life cycles  
20 s of calling song, male from Westmoreland County, Va., 24.5°C. Dominant frequency 4.5 kHz (WTL484-12). Click on sound bar to hear entire recording.
This sound spectrogram is a 2 s excerpt of the 20 s audio file accesssible above. The excerpt begins at 15 s. Click on sound bar to hear graphed song.
spectrogram
22 s of courting song, F1 male reared from female collected in Alachua County, Fla., 25.4°C. Dominant frequency of multipulse sequencies, 4.0 kHz; of high-intensity ticks, 11.7 kH (WTL484-55). Click on sound bar to hear entire recording.
This sound spectrogram is a 2 s excerpt of the 22 s audio file accessible immediately above. The excerpt begins at 5 s. Click on sound bar to hear graphed song.
spectrogram
21 s of fight song, F1 males reared from female collected in Alachua County, Fla., 25.4°C. Dominant frequency of all components 4.0 kHz (WTL484-54). Click on sound bar to hear entire recording.
This sound spectrogram is a 2 s excerpt of the 21 s audio file accessible immediately above. The excerpt begins at 14 s. Click on sound bar to hear graphed song.
spectrogram
20 s of fight song, F1 males reared from female collected in Alachua County, Fla., 25.0°C. Dominant frequency of all components 4.0 kHz (WTL484-56). Click on sound bar to hear entire recording.
This sound spectrogram is a 2 s excerpt of the 20 s audio file accessible immediately above. The excerpt begins at 15 s. Click on sound bar to hear graphed song.
spectrogram
Life cycle: 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 spring's cohort of adults. (Walker 1974, Fig. 1 and text).
Seasonal data: N. Fla. seasonal data
More information:
subfamily Gryllinae, genus Gryllus
Nomenclature: OSF (Orthoptera Species File Online)
previous species next species