- by Kelli Smith
- August 02, 2019
When nibbling mosquitoes cause irritation, the sensible move is to grab mosquito repellent. Distinguished Professor Walter Leal, Department of Molecular and Cellular Biology, likes to remind his students of this. But if they’re stepping outside for only a short period of time during the buggy Davis summers, Leal will offer a natural repellent like methyl salicylate, otherwise known as wintergreen oil.