About the Editors Dr. K. G. Adiyodi is Professor of Reproductive Physiology and Dean, Faculty of Science. Calicut University, Kerala, India. He is Founder-Secretary of the International Society of Invertebrate Reproduction, Founder-Editor-in-Chief of the International Journal of Invertebrate Reproduction and Development, and Founder-President of the Indian Society of Invertebrate Reproduction. Popularisation of science and technology among the masses and their application for rural development has been a passion for him: he is the Founder-Secretary of and the prime moving spirit behind the formation of the Kerala Sastra Sahitya Parishad in 1962. The organisation is now the largest and the most popular mass science movement in India and has won several national and international awards for its activities and achievements. Since 1986, Prof. Adiyodi is heading the Desiya Sastra Vedi (National Science Forum), a think-tank, apolitical in character, closely monitoring and critically evaluating state policies and programmes in science and technology. Dr. Rita G. Adiyodi, formerly Rhodes Visiting Fellow, Somerville College, Oxford (1976-78), is Professor of Zoology at Calicut University. She served as President of the Crustacean Reprobiology and Aquaculture Bureau of India and as Vice-President of the Indian Society of Invertebrate Reproduction. Dr. Rita Adiyodi represented India on the International Committee of Comparative Endocrinology. Both editors have been working extensively on reproduction and growth biology of arthropods for nearly three decades. They have written and edited several books and published about one hundred and eighty research papers and advanced reviews.