Date of this Version
While working on a taxonomic study of the superfamily Vespoidea, the writer has discovered a number of species that are new to science. Following are descriptions of, and comments on five new forms, the type specimens of all of which are in the collection of the. University of Nebraska. Acknowledgment is made of the assistance of Professor lIyron H. Swenk in the progress of this work and for criticisms in the preparation of this paper.