Zhiwei Liu, zliu@eiu.edu, Eastern Illinois University, Biological Science Department, 600 Lincoln Ave, Charleston, IL, Michael S. Engel, msengel@ku.edu, University of Kansas, Department of Ecology and Evolutionary Biology, Division of Entomology, Natural History Museum, 1345 Jayhawk Boulevard, Dyche Hall, Lawrence, KS, and David Grimaldi, grimaldi@amnh.org, American Museum of Natural History, Division of Invertebrate Zoology, Central Park West at 79th Street, New York, NY.