1 Department of Biological Sciences, Vanderbilt University, Nashville, TN 37235.
2 Department of Biological Sciences, Auburn University, Auburn, AL 36849.
3 State Key Laboratory of Rice Biology and Ministry of Agriculture Key Lab of Molecular Biology of Crop Pathogens and Insects, Institute of Insect Sciences, Zhejiang University, Hangzhou 310058, China.
4 Department of Biological Sciences, Vanderbilt University, Nashville, TN 37235; antonis.rokas@vanderbilt.edu.