Natural Parasitism of Rice Leaf Folder Cnaphalocrocis medinalis (Guenee) in Karaikal Region

Jump To References Section

Authors

  • Regional Research Station, Vriddhachalam 606 001 ,IN
  • T.N.A.U., Coimbatore 641 003 ,IN
  • Pandit Jawaharlal Nehru College of Agriculture, Serumavilangai, Karaikal 609 607, Pondicherry ,IN

DOI:

https://doi.org/10.18311/jbc/1997/7582

Keywords:

Cnaphalocrocis medinalis, Elasmus johnstoni, Goniozus sp., Parasitism, Pediobius bruchicida, Rice.

Abstract

Seven parasitoids were reared from natural population of rice leaf folder Cnaphalocrocis medinalis (Guenee) in Karaikal region, Union Territory of Pondicherry. Goniozus sp. and Elasmus johnstoni Ferriere were the most effective. The parasitism ranged from 4.0.-22.0 per cent. Pediobius bruchicida (Rondani) is reported for the first time on C. medinalis from the coastal region of Karaikal. Parasitization by Pediobius bruchicida was upto 4.0 per cent.