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Exotic earthworm found in Karnataka

Date: 03 March 2021 Tags: Biodiversity
  • An exotic and highly invasive earthworm — Amynthasalexandri of the Megascolecidae family — has been collected and reported for the first time from Karnataka.
  • Its original home is believed to be Southeast Asia. Their distribution in Asia earlier was in China, Myanmar, Pakistan and Thailand.
  • It has been found to be distributed at four sites in the State — Hosabale and Hosanagara in Shivamogga district, Kaimara in Chikkamagaluru district, and Konaje in Dakshina Kannada.
  • Amynthasalexandri is a medium-to-large-sized worm and its colour is brownish in light and dark at dorsum. Its length varies from 132 mm to 169 mm, and it is 5 mm to 6 mm in diameter.
  • Earthworms are important for maintaining the soil fertility of forests, grasslands, and agro-ecosystems.