Regional Research Station (TNAU), Vridhachalam-606 001, Tamil Nadu (India).
*Present address: Department of Entomology, Tamil Nadu Agricultural University, Coimbature-641 003, Tamil Nadu (India).
An epizootics of the green muscardine fungus, Nomuraea rileyi (Farlow) Samson was observed on the larval population of Spodoptera litura (Fab.) in irrigated soybean, Glycine max (L.) Merrill in Udumalpet regions of Tamil Nadu (India) during October, 1996. The extent of mortality ranged between 12 and 69 per cent under natural conditions. Under pathogenicity test, 59 per cent mortality was recorded 8 days after the treatment. The occurrence of N. rileyi on S. Iitura indicated its possible utility in the biological control.
