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Project Noah Nature School
Gryllodes sp.
Spotted on the wall at night. Body length is 20 mm.
The sound emitted by crickets is commonly referred to as chirping; the scientific name is stridulation. Usually only the male crickets chirp, however some female crickets do as well. The sound is emitted by the stridulatory organ, a large vein running along the bottom of each wing, covered with "teeth" (serration) much like a comb. The chirping sound is created by running the top of one wing along the teeth at the bottom of the other wing. As the male cricket does this, he also holds the wings up and open, so that the wing membranes can act as acoustical sails. It is a popular myth that the cricket chirps by rubbing its legs together.
Spotted on Jan 27, 2015
Submitted on Jan 29, 2015
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