Ph.D. Open Defence and Viva Voce of Ms. Usha A U, Research Scholar in the Department of Zoology, St. Thomas College (Autonomous), Thrissur, under the guidance of Dr Joyce Jose, was held on Tuesday, 13th February 2024 at 11.00 AM at Kaviprathibha Hall, St. Thomas College (Autonomous), Thrissur. The title of the thesis was “A BIONOMIC STUDY OF BAGWORMS (LEPIDOPTERA: PSYCHIDAE) IN SELECTED AREAS OF KERALA”. Prof. (Dr.) A. P. Thomas, Visiting Professor & Director, Advanced Centre of Environmental Studies and Sustainable Development School of Environmental Sciences, Mahatma Gandhi University, was the Chairperson for the conduct of Open Defence. Congratulations to Dr Usha A U and Dr. Joyce Jose.