Katydid intriguing hearing ability

in #animals6 years ago

katydid-1575705_1280.jpg
[image source: pixabay CC0 licensed]

Katydids are little bush insects which are between the range of 5mm to about 130mm in size. They are a little bit similar to grasshoppers but they are different from grasshoppers in terms of their antenna. The Katydid's antenna is at the same length as its body or longer than its body while that of the grasshopper is shorter than its body length and thick. They can be found in every continent except for Antarctica because of the temperature. They also have a lifespan of about one year.

The most intriguing thing about this beautiful little insect is its hearing ability. It has a hearing ability similar to that of humans, although it ears are located at the legs of the insect while that of the human is located on the head. Also, its ear is just less than a millimetre long.

While the human ear can hear the sound of frequency ranging from 20 hertz to 20,000 hertz, the ear of Katydid can hear sounds from 5,000 hertz to about 50,000 hertz enabling it to be able to distinguish between the sound of other Katydid and predator with a similar sound.

Researchers have discovered that an organ located inside the ear of the insect named acoustic vesicle is responsible for the receiving, converting and analyzing sounds. This has made researchers conclude that the ears of the Katydid can be imitated in the field of technology to produce sophisticated hearing devices that are very small in size.

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