Why in News?
Drawida vazhania is a newly discovered species of earthworm identified by researchers in Kerala in March 2026. This discovery marks a significant addition to the known biodiversity of the Western Ghats, a globally recognized biodiversity hotspot.
About
- Biodiversity Milestone: With this find, the total number of Drawida species reported from India has risen to 83, with 55 of those located in the Western Ghats.
- Scientific Publication: The discovery was documented by researchers from Christ College (Irinjalakuda) and Mahatma Gandhi University (Kottayam) and published in the peer-reviewed journal Zootaxa.
Key Features
- Location: Discovered in the Vazhani Dam area within the Peechi-Vazhani Wildlife Sanctuary in Thrissur, Kerala.
- Classification:
- Genus: Drawida (naturally restricted to South, Southeast, and East Asia).
- Family: Moniligastridae.
- Group: Member of the Barwelli species group, which typically features small-bodied earthworms.
- Physical Characteristics:
- Characterized by a small body size.
- Possesses unique anatomical features including a grooved male genital field and a kidney- or bean-shaped prostate gland.
- Features a narrow tubular C-shaped prostatic capsule.
- Ecological Significance: Like other earthworms, it plays a vital role in soil aeration, nutrient cycling, and maintaining the overall health of the forest ecosystem.
- Conservation Context: Experts have used this discovery to highlight the threat of habitat destruction in Kerala's midlands, noting that very few protected forest areas remain outside of sanctuaries like Peechi-Vazhani.
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