Nearctic species of Scelionidae (Hymenoptera roctotrupoidea) : that parasitize the eggs of grasshoppers - Muesebeck, Carl F. W. (Carl Frederick William), 1894-. (U.S. Govt. Print. Off., Washington : Smithsonian Institution Press; for sale by the Supt. of Docs., 1972)
Bibliography : p. 23-25.
Keywords: Scelionidae; Grasshoppers -- Parasites