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Jayanti New Species of Cricket
Source : Indian Express

GS III : Conservation, environmental pollution and degradation, environmental impact assessment


Why in News ?

The new subgenus is named Jayanti after Professor Jayant Biswas, one of the leading cave explorers in the country.

Key Facts
  • A new species of Cricket named Indimimus jayanti was found in the Kurra caves of Chhattisgarh.
  • It is identified under the genus Arachnomimus Saussure, 1897.Jayanti New Species of Cricket
  • The newly discovered Cricket is different from the two subgenera, Arachnomimus and Euarachnomimus, because of the male genitalia structure.
  • Crickets are noticeable for their loud calls.
    • But newly found Cricket males of the new Jayanti subgenus cannot produce sound and their females don’t have ears.
Arachnomimus Saussure, 1897
  • Arachnomimus is the genus name given to crickets that resembled spiders.
  • Crickets of this group are commonly called spider crickets because of their smaller body size and long legs.
Why this discovery is Significant ?
  • Male crickets produce this sound by rubbing their wings against each other to attract females.
  • The females listen to these calls using ears located on their legs and approach the males for mating and reproduction.
  • But Jayanti do not have such capabilities.
  • The crickets were found on the walls of the Kurra caves which don’t have light inside.
  • They may communicate with vibration sounds which can be used in hearing aids.

Crickets Spider 

  • Most commonly they are found in forest environments or within caves, animal burrows, cellars, under stones, or in wood or similar environments.
  • Typically living in a lightless environment, or active at night, they rely heavily on their sense of touch.

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