ZSI Scientists Discover New Soil Nematode Species 'Crassolabium dhritiae' in Odisha.

Environment | Dated: 07 Mar 2025

In March 2025, scientists from the Kolkata (West Bengal)-based Zoological Survey of India (ZSI) discovered a new species of soil-dwelling nematode named ‘Crassolabium dhritiae’ in the Deccan Peninsula biogeographic zone located in Keonjhar, Odisha.

🎯 Key Highlights:

  • - The discovery, published online in Acta Zoologica Bulgarica, highlights the rich and often overlooked biodiversity of this region, emphasizing the ecological significance of nematodes in maintaining healthy soil ecosystems.
  • - The species is named ‘Crassolabium dhritiae’ in honor of Dr. Dhriti Banerjee, the Director of ZSI, recognizing her remarkable contributions to taxonomy and zoological research.

💡 Other Important Facts:

  • (i) This nematode is characterized by a medium-sized slender body, rounded lip region, large odontostyle, long pharynx, and distinct features in the female reproductive system, along with a uniquely shaped tail.
  • (ii) Members of the Crassolabium genus display omnivorous and predatory behavior, although detailed research is ongoing to better understand their feeding habits.
  • (iii) With the addition of Crassolabium dhritiae, the global count of species in the Crassolabium genus rises to 39, including 9 species reported from India.

📚 Test Your Knowledge:

The recently discovered soil nematode 'Crassolabium dhritiae' was found in which Indian state?

Correct Answer: Odisha

🚀 Quick Recap: