Author Affiliations +
Leo H. Shapiro,1,* John P. Dumbacher1
1Molecular Genetics Lab, National Zoological Park, 3001 Connecticut Avenue NW, Washington, D.C. 20008
*Present Address: Division of Insect Biology, ESPM, 201 Wellman Hall, 3112, University of California, Berkeley, CA 94720-3112, USA.lshapiro@nature.berkeley.edu