Note to users. If you're seeing this message, it means that your browser cannot find this page's style/presentation instructions -- or possibly that you are using a browser that does not support current Web standards. Find out more about why this message is appearing, and what you can do to make your experience of our site the best it can be.
About the Cover


Inhibition of insect juvenile hormone esterase delays metamorphosis resulting in giant larvae up to 15 grams in weight (right), which spend twice as much time feeding in the ultimate instar and consume three times as much food as the smaller animal (left). See page 1073. [M. Philpott, Department of Entomology, University of California, Davis 95616]


[Table of Contents]

To Advertise     Find Products

Science. ISSN 0036-8075 (print), 1095-9203 (online)