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Most male crickets make a loud chirping sound by stridulation (scraping two specially textured body parts together). The stridulatory organ is located on the tegmen, or fore wing, which is leathery in texture. A large vein runs along the centre of each tegmen, with comb-like serrations on its edge forming a file-like structure, and at the rear ...
Male crickets of this species produce several distinctive chirps, though each sound is made by rubbing the two outer wings together. Loud and steady chirps made throughout the night are to attract females and to warn off other males. Loud fast-frequency chirps are emitted when males encounter one another and are preparing to fight.
Unlike females, however, males are able to produce sounds or chirps. Thus, males can be identified through sound while females cannot. Diagram A shows the male cricket with its wings raised for the purpose of chirping. Diagram B shows the female cricket, identified via the long protruding ovipositor at the end of the abdomen.
This chirp was analyzed and found that certain aspects of the chirp can be correlated to the morphology of the individual cricket. [3] Overall, longer males produced a lower-frequency call that contained more syllables per chirp, though these males did not necessarily produce a louder call.
Gryllus pennsylvanicus is known as the fall field cricket. G. pennsylvanicus is common in southern Ontario, is widespread across much of North America [3] [4] and can be found even into parts of northern Mexico. It tends to be absent in most of the southwestern United States including southern California.
Like most cricket species, Teleogryllus oceanicus males produce a calling song to attract potential female mates. Crickets produce the sound of their calls using a "file-scraper" system where, as the male opens and closes its wings, a plectrum (scraper) located on the posterior side of the left wing is rubbed against a filed vein located on the right wing. [5]
At 29 °C (85 °F), the cricket will call at 120–370 chirps per minute, in a series of 3 to 5-pulse chirps. [1] When a female is within the vicinity of a male’s territory, a quieter song (known as a courtship song) is used to reduce the risk of predation and attraction of male competitors. [7] Both males and females have directional hearing.
Male G. integer from Davis, California, do not trill but rather produce fast trains of chirps containing 2 or 3 syllables per chirp with a pause between chirps approximately 30ms long, but most commonly with 3. Females tend to respond more to 2 syllables then 3. Arizona populations of G.integer call