"Proctotrypidés." . . "Hymenoptera." . . . . "North America." . . . "A monograph of the North American Proctotrypidæ" . "A monograph of the North American Proctotrypidæ"@en . "A monograph of the North American Proctotrypidae"@en . "A monograph of the North American Proctotrypidae" . . . . . . . "A Monograph of the North American proctotrypidae, by William H. Ashmead" . . . . . . . . . . . . "The author has attempted to provide a systematic description of the species of the Hymenopterous family Proctotrypidae found in North America, north of Mexico, while systematizing and describing the genera of the world, as an aid to future students." . "The author has attempted to provide a systematic description of the species of the Hymenopterous family Proctotrypidae found in North America, north of Mexico, while systematizing and describing the genera of the world, as an aid to future students."@en . . . . . "A monograph of the North American proctotrypidae"@en . . . . . . . . . . . . . . "Monograph of North American Proctotrypidae"@en . . . . . . . . "A monograph of the North American Proctotrypidea"@en . "A monograph of the North American Proctotrypidea" . . . . "Smithsonian Institution." . . "Proctotrupidae (Hymenoptera) région néarctique (zoogéographie)" . . "Błonkoskrzydłe Ameryka Północna." . . "Hyménoptères Amérique du Nord." . . "Hymenoptères Amérique du Nord." . "Hyménoptères." . . "Proctotrupidae." . . "Sciences." . . "Žuželke Zoologija Amerika, severna." . . "Hymenoptera North America." . . "Błonkoskrzydłe." . .