Sort By:
  1. Classification of the chalcid flies, or the superfamily Chalcidoidea, with descriptions of new species in the Carnegie museum, collected in South America by Herbert H. Smith.
    By: Ashmead, William H. (William Harris),
    Publication info: Pittsburg :Carnegie institute,1904.
    Holding Institution: University Library, University of Illinois Urbana Champaign
    View Book
  2. A monograph of the North American Proctotrypidae
    By: Ashmead, William H. (William Harris),
    Publication info: Washington :G.P.O.,1893.
    Holding Institution: Canadiana.org (archive.org)
    View Book