Awww the days are getting shorter. My absolute favourite time of day is early morning just as it starts to get light out and the birds begin to wake up. I sit outside with my orange juice and muffin or croissant and just absorb the beauty. Its 5:42 am and still dark out the only sound I hear is crickets. Crickets are nocturnal. The sound emitted by crickets is commonly referred to as chirping. 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. There are four types of cricket song: The calling song attracts females and repels other males, and is fairly loud. The courting song is used when a female cricket is near, and is a very quiet song. An aggressive song is triggered by chemoreceptors on the antennae that detect the near presence of another male cricket and a copulatory song is produced for a brief period after a successful mating.
Posted on: Tue, 02 Sep 2014 09:50:23 +0000
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