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Black Percher Sighted in Seshachalam Hills for the First time

  • Published
    7th Feb, 2022
Context

Black Percher or Black Ground Skimmer (Diplacodes lefebvrii ), a species of dragon fly, was sighted for the first time in the Seshachalam Hill ranges recently.

About

About Black Percher:

    • Black Ground Skimmer ( Diplacodes lefebvrii ), is a species of dragonfly in the family Libellulidae known commonly as the black percher. 
    • It is a common species native to most all of Africa and southern Eurasia.
    • The insect has been sighted in forest locations of Karnataka and coastal Andhra Pradesh, but this appears to be its maiden appearance in the Seshachalam ranges. 
  • According to the International Union for Conservation of Nature and Natural Resources (IUCN) Red List of threatened species, Black Ground Skimmer was labelled in 2016 as of ‘least concern’. 

About Seshachalam Hills:

  • The Seshachalam Hills are hilly ranges part of the Eastern Ghats in Andhra Pradesh. In 2010 it was designated as Biosphere Reserve. Seshachalam biosphere is spread over Chittoor and Kadapa districts. 
  • Formed during Precambrian time (i.e., earlier than about 540 million years ago), the ranges contain sandstone and shale interbedded with limestone and are highly dissected, with many longitudinal valleys. 
  • They are bounded by the Rayalaseema uplands in the west and northwest and the Nandyal Valley (formed by the Kunderu River) in the northeast.
  • Tirupati, a major Hindu pilgrimage town and the Srivenkateshwara National Park are located in these ranges. 
  • It is home to a number of endemic species including the famous Red Sanders and Slender Loris. 
  • The native population of the reserve includes the tribes of Yanadis.
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