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Hymenoptera

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• Insects

• Hymenoptera -- Behavior
• Hymenoptera -- Great Britain
• Hymenoptera -- Periodicals
• Agaonidae
• Anthophoridae
• Ants
• Aphelinidae
• Apidae
• Bees
• Braconidae
• Cephidae
• Chalcid wasps
• Chalcididae
• Chrysididae
• Colletidae
• Diprionidae
• Encyrtidae
• Eulophidae
• Eumenidae
• Eurytomidae
• Gall wasps
• Halictidae
• Honey-ants
• Hymenoptera, Fossil
• Ichneumonidae
• Megachilidae
• Melittidae
• Mutillidae
• Orussidae
• Parasitic wasps
• Perilampidae
• Philanthidae
• Proctotrupidae
• Pteromalidae
• Sapygidae
• Sawflies
• Scoliidae
• Siricidae
• Solitary wasps
• Sphecidae
• Spider wasps
• Tenthredinidae
• Tiphiidae
• Torymidae
• Trichogrammatidae
• Vespidae
• Wasps

• Symphyta

• Notice Sur les Travaux Scientifiques (in French; 1896), by Charles Janet (multiple formats at archive.org)
• [Collected papers by Sievert Allen Rohwer] ([v.p., 1908-<1925>]), by S. A. Rohwer (page images at HathiTrust; US access only)
• [Collected papers by Charles T. Brues] ([v.p., 1900-<1947>]), by Charles T. Brues (page images at HathiTrust; US access only)
• Insects. by David Sharp. (London : Macmillan, 1909), by David Sharp (page images at HathiTrust)
• Synopsis of American wasps [electronic resource] : solitary wasps / (Washington : Smithsonian Institution, 1875), by Henri de Saussure (page images at HathiTrust)
• A monograph of the North American Proctotrypidae [electronic resource] / (Washington : G.P.O., 1893), by William H. Ashmead (page images at HathiTrust)
• The secondary sexual characters of the Hymenoptera., by Leonard S. McLaine (page images at HathiTrust; US access only)
• Hymenoptera europaea praecipur borealia, formis typieis nonnullis specierum generumve exoticorum propter nexum systematicum associatis, per familias. genera, species et varietates disposita atque descripta / (Berolini : Libraria F. Nicolai, 1845-54), by Anders Gustav Dahlbom (page images at HathiTrust)
• On the genus Myrmica and other indigenous ants / (London : R. Taylor, 1855), by John Curtis (page images at HathiTrust)
• Notes on Tenthredinidae with descriptions of new species / ([Philadelphia : The Society, 1864]), by Edward Norton (page images at HathiTrust)
• Petite faune entomologique du Canada et particulièrement de la province de Québec [ressource électronique] : vol. II comprenant les orthoptères, les névroptères et les hyménoptères / ([Québec? : s.n.], 1883), by L. Provancher (page images at HathiTrust)
• Additions et corrections à la faune hyménoptérologique de la province de Québec [ressource électronique] / ([Québec? : s.n.], 1886), by L. Provancher (page images at HathiTrust)
• Additions et corrections au Volume II de la Faune entomologique du Canada, traitant des hyménoptères [ressource électronique] / ([Québec? : s.n.], 1889), by L. Provancher (page images at HathiTrust)
• A study of the wings of the Tenthredinoidea, a superfamily of hymenoptera, (Washington, Govt. Print. Off., 1906), by Alexander Dyer MacGillivray (page images at HathiTrust)
• The hymenopterous parasites of North American Butterflies / (Cambridge : [Samuel H. Scudder], 1889), by L. O. Howard (page images at HathiTrust)
• Ichneumon-flies of America north of Mexico. (Ann Arbor, Mich., American Entomological Institute, 1962-), by Virendra K. Gupta, Clement E. Dasch, Marjorie Townes, and Henry Townes (page images at HathiTrust; US access only)
• Goniozus gallicola fouts, a parasite of moth larvae, with notes on other bethylids (Hymenoptera : Bethylidae, Lepidoptera : Gelechiidae) / (Washington : U.S. Dept. of Agriculture, Agricultural Research Service, 1976), by Gordon Gordh and United States. Agricultural Research Service (page images at HathiTrust)
• The parasitic wasps of the genus Macroteleia Westwood of the New World : (Hymenoptera, Proctotrupoidea, Scelionidae) / (Washington : Dept. of Agriculture, Agricultural Research Service, 1977), by Carl F. W. Muesebeck and United States. Agricultural Research Service (page images at HathiTrust)
• The nearctic parasitic wasps of the genera Psilus Panzer and Coptera Say : (Hymenoptera, Proctotrupoidea, Diapriidae) / ([Washington] : Dept. of Agriculture, Science and Education Administration, [1980]), by Carl F. W. Muesebeck and United States. Science and Education Administration (page images at HathiTrust)
• Hymenoptera of America north of Mexico : synoptic catalog, second supplement / (Washington, D.C. : U.S. Dept. of Agriculture, 1967), by B. D. Burks and Karl V. Krombein (page images at HathiTrust)
• Hymenoptera of America north of Mexico : synoptic catalog : first supplement / (Washington : U.S. Govt. Print. Off, 1958), by Karl V. Krombein and United States. Entomology Research Division (page images at HathiTrust)
• Die Familien der Blattwespen und Holzwespen, nebst einer allgemeinen Einleitung zur Naturgeschichte der Hymenopteren. (Berlin, Haude und Spener (S.J. Josephy), 1837), by Theodor Hartig (page images at HathiTrust)
• Hymenopterorum ichneumonibus affinium monographiæ, genera Europæa et species illustrantes. (Stuttgartiæ, Tubingæ, sumptibus J. G. Cottæ, 1834), by C. G. Nees von Esenbeck (page images at HathiTrust)
• Synopsis of the families and genera of the Hymenoptera of America, north of Mexico, together with a catalogue of the described species, and bibliography. ([Philadelphia, P. C. Stockhausen, printer], 1887), by E. T. Cresson (page images at HathiTrust)
• The insect parasites of the Chrysopidae (Neuroptera) (Berkeley and Los Angeles, University of California Press, 1946), by Donald Washburn Clancy (page images at HathiTrust; US access only)
• Systematische zusammenstellung der bisher bekannt gewordenen Chalastogastra : (Hymenopterorum subordo tertius). Bd.I. (Fam. I, Lydidae und II, Siricidae) / (Mecklenburg : Stargard, 1901-1905), by Fr. W. Konow (page images at HathiTrust; US access only)
• Les fourmis de la Suisse : systématique, notices anatomiques et physiologiques, architecture, distribution géographique, nouvelles expériences et observations de mœurs / (Zurich : Druck von Zürcher & Furrer in Commission bei H. Georg, 1874), by Auguste Forel and Schweizerische Naturforschende Gesellschaft (page images at HathiTrust)
• Monographia tryphonidum Sueciae / (Holmiae : P.A. Norstedt & Filii, 1856), by August Emil Holmgren (page images at HathiTrust)
• Results of the Yale Peruvian expedition of 1911 : Hymenoptera, superfamilies Vespoidea and Sphecoidea /, by S. A. Rohwer (page images at HathiTrust)
• Enumeracão dos hymenopteros colligidos pela Commissão e revisão das especies de abelhas do Brasil. / (Rio de Janeiro? : Commissão de Linhas Telegraphicas Estrategicas de Matto Grosso ao Amazonas, 1916), by A. Ducke (page images at HathiTrust; US access only)
• Die Crabronen der paläarktischen region Monographisch ... (Wien : Alfred Hölder, 1915), by Franz Friedrich Kohl (page images at HathiTrust; US access only)
• Etudes sur les formis, les guêpes et les abeilles. ([Paris : Société entomologique de France; etc.], 1893-1919), by Charles Janet and Société entomologique de France (page images at HathiTrust; US access only)
• Voyage de Ch. Alluaud et R. Jeannel en Afrique orientale (1911-1912) re sultats scientifiques : insectes Hyme nopte res. (Paris : A. Schulz, 1913-1914), by Rene Gabriel Jeannel and Ch. Alluaud (page images at HathiTrust; US access only)
• A generic classification of the Nearctic sawflies (Hymenoptera, Symphyta) with seventeen plates, ([Urbana, Ill., 1937]), by Herbert H. Ross (page images at HathiTrust)
• Hymenopterorum catalogus / ('s-Gravenhage : W. Junk, 19-), by Charles Ferrière and J. van der Vecht (page images at HathiTrust; US access only)
• Catalogus Hymenopterorum hucusque descriptorum systematicus et synonymicus / (Lipsiae : G. Engelmann, 1892-1902), by K. W. von Dalla Torre (page images at HathiTrust; US access only)
• List of a collection of Aculeate hymenoptera made by Mrs. S.W. Williston in northwestern Kansas / (Washington, [D.C.] : Dept. of the Interior, U.S. Geological and Geographical Survey, 1879), by W. H. Patton and Samuel Wendell Williston (page images at HathiTrust)
• Additions to the recorded hymenopterous fauna of the Philippine islands, with descriptions of new species,, by William H. Ashmead (page images at HathiTrust)
• Die Hymenopteren Mitteleuropas : nach ihren Gattungen und zum grossen Teil auch nach ihren Arten analytisch bearb. / (Jena : G. Fischer, 1907), by Otto Schmiedeknecht (page images at HathiTrust; US access only)
• Observations on hymenopterous parasites of certain Fulgoridæ. (Columbus, University, 1903), by Otto Herman Swezey (page images at HathiTrust)
• The hymenoptera : or wasp-like insects of Connecticut / (Hartford : Printed for the State Geological and Natural History survey, 1916), by H. L. Viereck (page images at HathiTrust)
• The Hymenoptera of Minnesota / F. L. Washburn. ([St. Paul : Minnesota Agricultural Experiment Station, 1919.]), by F. L. Washburn (page images at HathiTrust)
• On the genera of the Chalcid-flies belonging to the sub-family Encyrtinae,, by William H. Ashmead (page images at HathiTrust)
• New Hymenoptera from the Philippine Islands /, by J. C. Crawford (page images at HathiTrust)
• Three new genera and species of parasitic Hymenoptera /, by J. C. Crawford (page images at HathiTrust)
• New South American parasitic Hymenoptera /, by J. C. Crawford (page images at HathiTrust)
• Hymenoptera, superfamilies Apoidea and Chalcidoidea, of the Yale Dominican expedition of 1913 /, by J. C. Crawford (page images at HathiTrust)
• Descriptions of some minute hymenopterous insects / (London : The Society, 1879), by J. O. Westwood (page images at HathiTrust)
• Descriptions of miscellaneous new reared parasitic Hymenoptera,, by Arthur Burton Gahan (page images at HathiTrust)
• New Hymenoptera from North America /, by Arthur Burton Gahan (page images at HathiTrust)
• Descriptions of new genera and species with notes on parasitic Hymenoptera /, by Arthur Burton Gahan (page images at HathiTrust)
• Four new African parasitic Hymenoptera belonging to the subfamily Microgasterinae /, by Arthur Burton Gahan (page images at HathiTrust)
• New reared parasitic Hymenoptera with some notes on synonymy /, by Arthur Burton Gahan (page images at HathiTrust)
• Descriptions of some new parasitic Hymenoptera /, by Arthur Burton Gahan (page images at HathiTrust)
• New Javanese chalcidoid Hymenoptera /, by Alexandre Arsene Girault (page images at HathiTrust)
• New serphidoid, cynipoid, and chalcidoid Hymenoptera /, by Alexandre Arsene Girault (page images at HathiTrust)
• Vespoid and sphecoid Hymenoptera collected in Guatemala by W.P. Cockerell /, by S. A. Rohwer (page images at HathiTrust)
• A report on a collection of Hymenoptera (mostly from California) made by W. M. Giffard /, by S. A. Rohwer (page images at HathiTrust)
• Descriptions of thirty-one new species of Hymenoptera /, by S. A. Rohwer (page images at HathiTrust)
• A revision of hymenopterous insects of the tribe Cremastini of America north of Mexico /, by Robert Asa Cushman (page images at HathiTrust)
• The biology of the hymenopterous insects of the family Chalcididœ., by L. O. Howard (page images at HathiTrust)
• Insects of the subfamily Encyrtinœ with branched antannae., by L. O. Howard (page images at HathiTrust)
• Results of the Yale-Peruvian expedition of 1911. Addendum to the Hymenoptera ichneumonoidea /, by Paul Revere Myers (page images at HathiTrust)
• Some new hymenopterous insects from the Philippine Islands /, by S. A. Rohwer (page images at HathiTrust)
• On a collection of Tenthredinoidea from eastern Canada /, by S. A. Rohwer (page images at HathiTrust)
• Japanese sawflies in the collection of the United States national museum /, by S. A. Rohwer (page images at HathiTrust)
• On some hymenopterous insects from the island of Formosa /, by S. A. Rohwer (page images at HathiTrust)
• Descriptions of thirteen new species of parasitic Hymenoptera and a table to certain species of the genus Ecphylus /, by S. A. Rohwer (page images at HathiTrust)
• Notes on the Hymenoptera. Collected by the Bahama expedition from the State University of Iowa., by William H. Ashmead (page images at HathiTrust)
• The Formicidae of the Shiras Expedition to Whitefish Point, Michigan, in 1914. / (Ann Arbor, Mich. : The University, 1916), by Frederick McMahon Gaige (page images at HathiTrust)
• Hymenoptera texana. (Philadelphia, American Entomological Society, 1872), by E. T. Cresson (page images at HathiTrust)
• The North American species of the genus Tiphia (Hymenoptera, Aculeata) in the collection of the Illinois State Natural History Survey, (Urbana, 1918), by J. R. Malloch and Illinois. Natural History Survey Division (page images at HathiTrust)
• On the bothriothoracine insects of the United States,, by L. O. Howard (page images at HathiTrust)
• Ants from Honduras and Guatemala,, by William M. Mann (page images at HathiTrust)
• The Tenthredinoidea. (Washington, D. C. The Academy, 1900), by Trevor Kincaid (page images at HathiTrust)
• The Sphegoidea and Vespoidea. (Washington, D. C. The Academy, 1900), by Trevor Kincaid (page images at HathiTrust)
• On the hymenoptera of Colorado; descriptions of new species, notes, and a list of the species found in the state. (Washington, D. C. Colorado Biological Association, 1890), by William H. Ashmead (page images at HathiTrust)
• New genera and species of Hymenoptera from the Philippines /, by William H. Ashmead (page images at HathiTrust)
• Monograph of the Mutillidae of North America / (Philadelphia : Paul C. Stockhausen, 1886), by Charles A. Blake (page images at HathiTrust)
• I. On the entomology of the Illinois river and adjacent waters. (Springfield, Ill., H. W. Rokker, printer and binder, 1895), by Charles Arthur Hart and William H. Ashmead (page images at HathiTrust)
• Essay on the indigenous fossorial Hymenoptera : comprising a description of all the British species of burrowing sand wasps contained in the metropolitan collections, with their habits as far as they have been observed / (London : W.E. Shuckard, 1837), by William Edward Shuckard (page images at HathiTrust)
• Die Tenthredinoidea Mitteleuropas / (Berlin : R. Friedländer, 1918), by E. Enslin (page images at HathiTrust; US access only)
• Mravenci soustava zemĕpisné rozs̆ír̆ení, oekologie a urc̆ovací klíc̆ mravenců z̆ijících na území C̆eskoslovenské republiky. (Praze : [s.n., 1922]), by Štěpán Soudek (page images at HathiTrust; US access only)
• Descriptions and biology of new or little-known coccids from Japan, (Yokohama, Japan, [1923]), by Shinkai Inokichi Kuwana and Tei Ishii (page images at HathiTrust; US access only)
• British Hymenoptera, by A. S. Buckhurst ... L. N. Staniland ... and E. B. Watson ... with an introduction by H. M. Lefroy ... (London, Arnold, 1923), by A. S. Buckhurst, E. B. Watson, and L. N. Staniland (page images at HathiTrust; US access only)
• Species hyménoptères d'Europe & d'Algérie. Rédigé d'après les principales collections, les mémoires les plus récents des auteurs et les communications des entomologistes spécialistes. (Beaune (Côte-d'Or), 1879-1914), by Edmond André, Thomas Ansell. Les braconides Marshall, and Ernest André (page images at HathiTrust; US access only)
• Papers on British Hymenoptera. (Glasgow : [s.n., 1875-1878]), by Peter Cameron (page images at HathiTrust)
• Description anatomique et étude histologique des glandes a venin des insectes Hymenoptères / (Paris : Georges Carré et C. Naud, 1897), by Léonard Bordas (page images at HathiTrust; US access only)
• Les fourmis de la Suisse. Notices anatomiques et physiologiques. Architecture. Distribution géographique. Nouvelles expériences et observations de moeurs. (La Chaux-de-Fonds : Impr. coopérative, 1920), by Auguste Forel (page images at HathiTrust; US access only)
• Ants, bees, and wasps : a record of observations on the habits of the social Hymenoptera / (New York : Appleton, 1904), by John Lubbock (page images at HathiTrust)
• Biology of Stenodynerus claremontensis (Cameron) (Hymenoptera vespidae) / (Moscow, Idaho : Agricultural Experiment Station, University of Idaho, 1967), by George P. Markin and A. R. Gittins (page images at HathiTrust; US access only)
• Australian hymenoptera chalcidoidea. ([Brisbane?, 1915]), by Alexandre Arsène Girault (page images at HathiTrust)
• [Miscellanea hymenopterologica] ([S. Paulo, etc., etc., 1882-1913]) (page images at HathiTrust; US access only)
• Zweihundert alte Hymenopteren., by W. Albert Schulz (page images at HathiTrust; US access only)
• A catalogue of British Hymenoptera; Chrysididae, Ichneumonidae, Braconidae, and Evaniidae. (London, Entomological Society of London, 1872), by Thomas Ansell Marshall (page images at HathiTrust)
• Spolia hymenopterologica, (Paderborn, Druck und Verlag der Junfermannschen Buchhandlung, A. Pape, 1906), by W. Albert Schulz (page images at HathiTrust; US access only)
• Hymenoptera, (Boston, 1884), by John Henry Comstock, J. S. Kingsley, and L. O. Howard (page images at HathiTrust)
• Hyménoptères nouveaux du bassin méditerranéen. ([Paris, 1872]), by Antoine Dours (page images at HathiTrust)
• Die hermaphroditen und gynandromorphen Hymenopteren,, by K. W. von Dalla Torre and Heinrich Friese (page images at HathiTrust; US access only)
• Synopsis der Familien und Gattungen der Ichneumonen. (n. p., [1868?]), by Arnold Foerster (page images at HathiTrust)
• The authorship and first publication of the "Jurinean" genera of Hymenoptera. ([London?, 1915]), by F. D. Morice (page images at HathiTrust)
• Studien über den Hypopharynx der Hymenopteren. (Jena, 1904), by Max Hilzheimer (page images at HathiTrust; US access only)
• Monographie der Mutilliden Afrikas. (Berlin, R. Stricker, 1920), by Hans Bischoff (page images at HathiTrust; US access only)
• Ueber den systematischen Werth des Flügelgeäders bei den Hymenopteren, (Aachen, Rudolf Baarth, 1877), by Arnold Foerster (page images at HathiTrust)
• Parasites and hyperparasites in the insect world, (n. p., [1912?]), by Ivan Shevyrev and J. Millman (page images at HathiTrust; US access only)
• Ein Blick in die Bienen- und Grabwespen-Fauna Gumperda's, mit Heranziehung einiger Lokalitäten der Umgegend. ([Leipzig, C. G. Naumann, 1876]), by Otto Schmiedeknecht (page images at HathiTrust)
• Delectus hymenopterlogicus argentinus. Hymenopterorum argentinorum et quorumdam exoticorum observationes synonimicas, addendas, novorumque generum specierumque descriptiones continens. (Buenos Aires, Impr. de Juan A. Alsina, 1903), by Eduardo Ladislao Holmberg (page images at HathiTrust; US access only)
• A list of the Hymenoptera-Aculeata so far observed in the counties of Lancashire and Cheshire, with notes on the habits of the genera. (Liverpool, C. Tinling, Printer, 1901), by Willoughby Gardner (page images at HathiTrust; US access only)
• The biology of some Kansas Eumenidae. (Lawrence, Kan., Published by the University, [1913]), by Dwight Isely (page images at HathiTrust)
• Parazity i sverkhparazity iz mira nasi︠e︡komykh. (S. Peterburg, tip. Obshestvennai︠a︡ nolʹza, 1912), by Ivan Shevyrev (page images at HathiTrust; US access only)
• Orienteringsförmågan hos steklar. (Sundsvall, Akt.-Bol. Rob. Sahlins Boktr., 1909), by Gottfrid Agaton Adlerz (page images at HathiTrust; US access only)
• Sur divers hyménoptères destructeurs des cérambycides duisibles au caféier et au bambou. (Saigon, C. Ardin, 1921), by J.-J. Kieffer (page images at HathiTrust; US access only)
• Ueber die Gattung Oxybelus Latr. und die bei Berlin vorkommenden Arten derselben. (Halle, Eduard Anton, 1867), by A. Gerstaecker (page images at HathiTrust)
• Catalogue synonymique des Hyménoptères de France / (Amiens : Lenoel-Herouart, 1874), by Antoine Dours (page images at HathiTrust)
• Gravehvepse og gedehamse. (København : Gad, 1907), by Jens Christian Nielsen (page images at HathiTrust; US access only)
• [Collected papers: Hymenoptera] ([v.p., n.d.]), by Franz Friedrich Kohl (page images at HathiTrust; US access only)
• [Collected papers: Hymenoptera] ([v.p., n.d.]), by J. C. Crawford (page images at HathiTrust; US access only)
• The siricid wood wasps of California (Hymenoptera: Symphyta) (Berkeley, University of California Press, 1960), by Woodrow Wilson Middlekauff (page images at HathiTrust)
• Hymenoptera. (Washington, Academy of Sciences, 1902), by William H. Ashmead (page images at HathiTrust)
• Catalogus hymenopterorum Europae. (Vindobonae, propriis expensis Societatis zoologico-botanicae, 1867), by Leopold Anton Kirchner (page images at HathiTrust)
• Mélanges hyménoptérologiques. (Genève, H. Georg, 1854 [i.e. 1855]-1863), by Henri de Saussure (page images at HathiTrust)
• Revision of the Nearctic species of the pompilid genus Pepsis (Hymenoptera, Pompilidae) (New York [American Museum of Natural History], 1952), by Paul D. Hurd (page images at HathiTrust; US access only)
• Hymenoptera : [a collection of articles from miscellaneous surces / ([S.l.] : Pennsylvania Bureau of Plant Industry, 1913-22]), by Robert Asa Cushman and S. A. Rohwer, ed. by Alfred B. Champlain (page images at HathiTrust; US access only)
• Report on the aculeate Hymenoptera. (Liverpool, Williams & Norgate, 1905), by Charles Thomas Bingham (page images at HathiTrust)
• Descriptions of North American Chalcididae from the collections of the U. S. Department of agriculture and of Dr. C. V. Riley, with biological notes. <First paper>. Together with a list of the described North American species of the family. (Washington, Govt. Print. Off., 1885), by L. O. Howard (page images at HathiTrust)
• Catalogue systématique & biologique des hyménoptères de France ... (Paris, Librairie Paul Klincksieck, 1908), by Jules De Gaulle (page images at HathiTrust; US access only)
• Das reichorgan der biene hebst einer beschreibung des respirationswerkes der hymenopteren, des saugrüssels und geschmacks-organes der blumenwespen, einer vergleichenden betrachtrung der riechhaut sämmtlicher aderflüglerfamilien und erläuterungen zur geruchs- und geschmacksphysiologie überhaupt / (Dreden : [s.n.], 1875), by Otto Immanuel Bernhard Wolff (page images at HathiTrust)
• Neue Evaniiden, Stephaniden, Mutilliden (Apterogyn), Proctotrupiden und Chalcididen : mit eer bestimmungstabelle der afrikanischen stephaniden. ([Berlin : s.n., 1901]), by Günther Enderlein (page images at HathiTrust; US access only)
• The thorax of the Hymenoptera. (Washington, 1911), by R. E. Snodgrass and United States National Museum (page images at HathiTrust)
• Population density relationships between hymenopterous parasites and their aphid hosts : a theoretical study / (Washington : U.S. Dept. of Agriculture, 1971), by E. F. Knipling and J. E. Gilmore (page images at HathiTrust)
• Die entstehung der pflanzengallen verursacht durch hymenopteren. (Jena, G. Fischer, 1914), by Werner Magnus (page images at HathiTrust; US access only)
• A revision of the North American ichneumon-flies of the genus Mesostenus and related genera / (Washington : U.S. Govt. Print. Off., 1929), by Robert Asa Cushman (page images at HathiTrust)
• A review of the insecticidal uses of rotenone and rotenoids from derris, lonchocarpus (cube and timbo), tephrosia, and related plants. ([Washington, D.C. : U.S. Dept. of Agriculture, Bureau of Entomology and Plant Quarantine, 1944]), by R. C. Roark and United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
• Recherches sur la biologie et la développement des hyménoptères parasites. (Paris, C. Reinwald, [1904]), by Paul Marchal (page images at HathiTrust; US access only)
• Recherches sur l'appareil copulateur des hyménoptères et spécialement des chalastogastres. (Paris, P. Lechevalier, 1924), by Henry Boulangé (page images at HathiTrust; US access only)
• Mélanges hyménoptérologiques, (Genève et Bâle, H. George, 1854-1863), by Henri de Saussure (page images at HathiTrust)
• Hymenopteren-Studien, (Leipzig, W. Engelmann, 1905), by W. Albert Schulz (page images at HathiTrust; US access only)
• Contributions a l'étude des hyménoptères entomophages ... (Paris, Masson et Cie, 1899), by L. G. Seurat (page images at HathiTrust; US access only)
• Insectes Hyménoptères, I: Proctorupidae, Cynipidae et Evaniidae, (Paris, A. Schulz, 1913), by J.-J. Kieffer (page images at HathiTrust; US access only)
• Concerning the relation of food to reproductive activity and longevity in certain hymenopterous parasites / (Reno, Nev. : University of Nevada, 1911), by Samuel Bradford Doten (page images at HathiTrust)
• Sawflies from Panama, with descriptions of new genera and species, (Washington, Smithsonian Institution, 1912), by Sievert Allen Rohwer (page images at HathiTrust; US access only)
• Synopsis of American wasps / (Washington : Smithsonian institution, 1875), by Henri de Saussure and Edward Norton (page images at HathiTrust)
• Insects. Part G [electronic resource] : Hymenoptera and Plant Galls. (Ottawa : J. de L. Taché, 1919), by Alexander Dyer MacGillivray and Canadian Arctic Expedition (1913-1918) (page images at HathiTrust)
• Recherches anatomiques et physiologiques sur les orthoptères, les hyménoptères et les névroptères / ([Paris : Impr. royale, 1841]), by Léon Dufour (page images at HathiTrust)
• Uebersicht der brasilianischen Mutillen / (Halle : H. W. Schmidt, 1854), by Hermann Burmeister (page images at HathiTrust)
• Description des chrysides du bassin du Léman, (Genève, Imp. Ramboz et Schuchardt, 1862), by Frédéric Chevrier (page images at HathiTrust)
• On dimorphism in the hymenopterous genus Cynips : with an appendix, containing hints for a new classification of Cynipidae and a list of Cynipidae, including descriptions of several new species, inhabiting the oak-galls of Illinois / ([Philadelphia : The Society, 1864]), by B. D. Walsh (page images at HathiTrust)
• Catalogue of British Hymenoptera in the British museum. (London, Printed by the order of the Trustees, 1876), by British Museum (Natural History). Dept. of Zoology and Frederick Smith (page images at HathiTrust)
• A list of Hymenoptera collected by J.K. Lord, Esq. : in Egypt, in the neighbourhood of the Red Sea, and in Arabia ; with description of the new species / (London : E.W. Janson, 1871), by Francis Walker and John Keast Lord (page images at HathiTrust)
• Observations sur les métamorphoses internes de la guèpe et de l'abeille. (Lille, Impr. L. Danel, 1900), by Jules Phillipe Louis Anglas and Charles C. Miller Memorial Apicultural Library WU. (page images at HathiTrust; US access only)
• [Collected papers: Hymenoptera] ([v.p., n.d.]), by Robert Du Buysson (page images at HathiTrust; US access only)
• Études hyménoptérologiques, (Paris, F. Maltese et cie, 1866), by J. Sichel (page images at HathiTrust)
• Synopsis of the families and genera of the hymenoptera of America, north of Mexico : together with a catalogue of the described species, and bibliography / ([s.l. : s.n.], 1887), by E. T. Cresson and American Entomological Society. Transactions (page images at HathiTrust)
• Fauna ibérica : Himenópteros fam. Encírtidos / (Madrid : Museo Nacional de Ciencias Naturales, 1921), by Ricardo Garcia Mercet and Spain. Junta para Ampliación de Estudios e Investigaciones Científicas (page images at HathiTrust; US access only)
• Fauna insectorum Helvetiae. (Schaffhausen, Schweizerische Entomologische Gesellschaft.) (page images at HathiTrust; US access only)
• Monographie des Mutillides d'Europe et d'Algérie / (Paris : Librairie Scientifique A. Hermann, 1903), by Ernest André (page images at HathiTrust; US access only)
• Hymenoptera. Familien der Vespiden, Sphegiden, Pompiliden, Crabroniden und Heterogynen. ([Wien, 1867]), by Henri de Saussure, Jules Sichel, and Novara-Expedition (1857-1859) (page images at HathiTrust)
• Entomologischer versuch die jürineschen gattungen der Linnéschen hymenoptern nach dem Fabrisziuschen system zu prüfen : im bezug auf die in der deutschen insektenfaune bekannt gemachten gattungen und arten dieser klasse / (Nürnberg : in der Felsseckerschen buchhandlung, 1806), by Georg Wolfgang Franz Panzer (page images at HathiTrust)
• Explications, notes, errata et addenda concernant les Recherches anatomiques et phisiologiques [sic] sur les orthoptères, les hyménoptères et les névroptères : faisant partie du septième volume des Mémoires de l'Académie des sciences / (Saint-Sever : Imprimerie et Atelier de reliure de P. Serres, 1841), by Léon Dufour (page images at HathiTrust)
• Pinacographia : illustrations of more than 1,000 species of north-west-European Icheumonide, sensu Linnaeano = Afbeeldingen van meer dan 1,000 soorten noord-west-Europeesche sluipwespen (ichneumones sensu Linnaeano) / ('s Gravenhage : Martinus Nijhoff, 1880), by Samuel Constant Snellen van Vollenhoven (page images at HathiTrust)
• Hymenoptères, famille des Scolides, (Saint-Pétersbourg [etc.], 1880), by Henri de Saussure (page images at HathiTrust)
• Insects of Micronesia : Hymenoptera : Trichogrammatidae and mymaridae. (Honolulu : Bernice P. Bishop Museum, 1955), by Richard L. Doutt (page images at HathiTrust; US access only)
• Catalogue of British Hymenoptera in the British Museum. (London, Printed by order of the Trustees, 1891), by British Museum (Natural History). Dept. of Zoology and Frederick Smith (page images at HathiTrust)
• La structure & la biologie des insectes, et particulièrement de ceux appartenant à l'ordre des hyménopteres (mouches à scie, ichneumons, guêpes, abeilles, fourmis) / (Beaune (Côte-d'Or) : Chez l'auteur, 1882), by Edmond André (page images at HathiTrust)
• Ants, bees, and wasps : a record of observations on the habits of the social hymenoptera / (London : Kegan, Paul, Trench, 1886), by John Lubbock and Charles C. Miller Memorial Apicultural Library WU. (page images at HathiTrust)
• Catalogus Hymenopterorum hucusque descriptorum systematicus et synonymicus / (Lipsiae : G. Engelmann, 1894), by K. W. von Dalla Torre (page images at HathiTrust)
• A monograph of the North American Proctotrypidea. (Washington, Govt. print. off., 1893), by William H. Ashmead and Smithsonian Institution (page images at HathiTrust)
• Prospetto degli imenotteri italiani, da servire di prodromo di imenotterologia italiana. (Napoli, [1867-94]), by Achille Costa (page images at HathiTrust)
• Hymenoptera Helvetiae, analytische bearb. als Grundlage einer Hymenopteren-Fauna der Schweiz. (Schaffhausen, F. Rothermel, 1887), by Emil Frey-Gessner (page images at HathiTrust)
• Fauna insectorum Helvetiae. Hymenoptera. Fam. Diploptera Latr. (Vespida aut.) (Schaffhausen, F. Rothermel, 1887 [1897]), by Anton von Schulthess-Rechberg (page images at HathiTrust)
• Recherches morphologiques sur les pièces mandibulaires, maxillaires et labiales des Hymenoptères / (Paris : Gauthier-Villars, 1887), by Joannes Chatin (page images at HathiTrust)
• Appareil glandulaire des hyménoptères (glandes salivaires, tube digestif, tubes de Malphigi et glandes venimeuses) (Paris, G. Masson, 1894), by Leonard Bordas (page images at HathiTrust)
• Hyménoptères [of the Canary and Seychelles islands] ([Paris, Au siège de la Société, 1894]), by Jean M. Pérez (page images at HathiTrust)
• Recherches sur le développement post-embryonnaire l'anatomie et les moeurs de l'Encyrtus fuscicollis. ([Genève, Bale, H. Georg, 1892]), by Édouard Bugnion (page images at HathiTrust)
• Histoire naturelle des hyménoptères, (Paris, L'Imprimerie nationale, 1890), by Henri de Saussure (page images at HathiTrust)
• Literatura hymenopterorum. (Budapest, Franklin-Társulat Könyvnyomdája, 1882), by Sándor Mocsáry (page images at HathiTrust)
• Synopsis of British Hymenoptera. ([London : s.n., 1880-1884]), by Edward Saunders (page images at HathiTrust)
• Thèses présentées a la faculté des sciences de Paris pour obtenir le grade de docteur ès sciences naturelles / (Paris : G. Masson, 1894), by L. Bordas (page images at HathiTrust)
• La structure & la biologie des insectes et particulièrement de ceux appartenant à l'ordre des hyménoptères (Mouches à scie, ichneumons, guèpes, abeilles, fourmis) (Beaune, 1882), by Edmond André (page images at HathiTrust)
• Synopsis of the families and genera of the Hymenoptera of America, north of Mexico [electronic resource] : together with a catalogue of the described species and bibliography / ([S.l. : American Entomological Society?, 1887?]), by E. T. Cresson (page images at HathiTrust)
• Ants and their ways : with illustrations, and an appendix giving a complete list of genera and species of the British ants / (London : Religious Tract Society, 1895), by William Farren White (page images at HathiTrust)
• Ants and their ways : with illustrations, and an appendix giving a complete list of genera and species of the British ants / (London : The Religious Tract Society, [1883]), by William Farren White (page images at HathiTrust)
• Tableau de l'aîle supérieure des Hyménoptères / (Paris : J.B. Baillière, 1839), by Balthasar E. de Romand (page images at HathiTrust)
• British bees: an introduction to the study of the natural history and economy of the bees indigenous to the British Isles. (London, L. Reeve & co., 1866), by William Edward Shuckard (page images at HathiTrust)
• Clavis novi hymenopterorum systematis, anatomia externa, metamorphosi moribusque horum animalium simul consideratis; adjecta Synopsi larvarum ejusdem ordinis scandinavicarum eruciformium, (Lundae, typis excudit C. F. Berling, 1835), by Anders Gustav Dahlbom (page images at HathiTrust)
• Prodromus hymenopterologiae, scandinavicae, (Lundae, typis excudit C. F. Berling, 1836), by Anders Gustav Dahlbom (page images at HathiTrust)
• Über die europäischen Raubfliegen (Diptera asalica); ([Berlin, 1847-1851]), by Hermann Loew (page images at HathiTrust)
• Hymenoptera. Haütfluger. ([Berlin, 1862]), by Karl Eduard Adolph Gerstaecker and Wilhelm C. H. Peters (page images at HathiTrust)
• Conspectus tenthredinidum, siricidum et oryssinorum scandinaviae, quas hymenopterorum fanilias in "Kongl. swenska wetenskaps academiens handlingar" anno 1835. (Havniae, typ. Brünnichaianis, 1835), by Anders Gustav Dahlbom (page images at HathiTrust)
• Hymenoptera britannica ... (London, H. Baillière, 1839), by Alexander Henry Haliday (page images at HathiTrust)
• Revue critique des hyménoptères fouisseurs de Belgique, ([Bruxelles, 1852]), by Constantin Wesmael (page images at HathiTrust)
• Observations sur les ailes des hyménoptères. ([Torino?, 1818]), by Louis Jurine (page images at HathiTrust)
• Fauna hymenopterologica Volga-Uralensis., by Eduard Friedrich Eversman (page images at HathiTrust)
• Eine Centurie neuer Hymenopteren. Die Zweite Centurie neuer Hymenopteren., by Arnold Förster (page images at HathiTrust)
• A morphological study and comparison of the mouth parts of some Hymenoptera; a comparative study of the mouth parts of Vespa maculata Linn. (Washington, D.C., 1921), by George William Albertson (page images at HathiTrust)
• Formicidae. ([Wien, 186-]), by Gustav L Mayr and Novara Expedition (1857-1859). Zoologischer Theil (page images at HathiTrust)
• Myrmecologische Studien. ([n.p.], 1862), by Gustav L Mayr (page images at HathiTrust)
• Die Ameisen (Formicidae) Mitteleuropas, insbesondere Deutschlands. ([n.p., 1914]), by Hermann Stitz and Christoff Wilhelm Marcus Schroeder (page images at HathiTrust; US access only)
• Report upon the collections of Hymenoptera made in portions of Nevada, Utah, Colorado, New Mexico, and Arizona, during the years 1872, 1873, and 1874. (Washington, 1875-89), by E. T. Cresson (page images at HathiTrust)
• A revision of the ants of the genus Formica (Linné) Mayr. (Cambridge, Mass. : Museum of Comparative Zoology at Harvard College, 1913), by William Morton Wheeler (page images at HathiTrust)
• Spécies des hyménoptères d'Europe & d'Algérie. : Enrichi de planches coloriées donnant, d'après nature, outre un ou plusieurs spécimens des insectes de chaque genre, de nombreux dessins au trait des caractéres utiles à l'intelligence du texte; rédigé d'après les principales collections, les mémoires les plus récents des auteurs et les communications des entomologistes spécialistes / (Beaune (Cōte d'Or) : Chez l'auteur; [etc., etc.], 1879-1912), by Edmond André and Ernest Andre (page images at HathiTrust; US access only)
• Formicidae de Italie. (Bologna, 1916), by Carlo Emery (page images at HathiTrust; US access only)
• Les formicides de l'empire des Indes et de Ceylan. ([Bombay, 1892-1903?]), by Auguste Forel (page images at HathiTrust; US access only)
• Studi sulle formiche della fauna neotropica. ([n.p., 1890-1905]), by Carlo Emery (page images at HathiTrust)
• Entomological reprints; ([Philadelphia, Entomological rooms of the Academy of natural sciences; etc., etc., 1899-1919]), by Theodore D. A. Cockerell (page images at HathiTrust)
• Hymenoptera / (London : Taylor and Francis, 1897-), by C. T. Bingham and Claude Morley (page images at HathiTrust; US access only)
• Pamphlets on entomology. ([n.p., 1888-1921]), by Carlo Emery (page images at HathiTrust)
• Nouvelle méthode de classer les hyménoptères et les diptères / (Genève : J. J. Paschoud, 1807), by Louis Jurine (page images at HathiTrust)
• Hymenoptera europaea praecipue borealia : formis typicis nonnullis specierum generumve exoticocrum aut extraneorum propter nexum systematicum associatis; per familias, genera, species et varietates disposita atque descripta / (Lund : ex officina Lundbergiana, 1843-54), by Anders Gustav Dahlbom (page images at HathiTrust)
• A review of the North American species of Philanthus, north of Mexico (Hymenoptera: Specidae) (Columbus, The Ohio state university press, 1946), by Russell William Strandtmann (page images at HathiTrust)
• Beiträge zur Monographie der Formiciden des paläarktischen Faunengebietes. ([n.p., 1908-12]), by Carlo Emery (page images at HathiTrust; US access only)
• Histoire naturelle des hyménoptères. (Paris : Impr. nationale, 1891), by Auguste Forel (page images at HathiTrust)
• Catalogue of British ichneumonidæ in the collection of the British museum. (London, Printed by order of the trustees, 1856), by British Museum (Natural History). Department of Zoology and Thomas Designes (page images at HathiTrust)
• Catalogue of hymenopterous insects in the collection of the British museum ... (London : Printed by order of the trustees, 1853-59), by British Museum (Natural History). Department of Zoology and Frederick Smith (page images at HathiTrust)
• California gall-making Cynipidae with descriptions of new species / (Stanford University, Calif. : The University, 1922), by Mary Isabel McCracken and Dorothy Barnes Egbert (page images at HathiTrust)
• The Hymenoptera, or wasp-like insects of Connecticut / (Hartford : Printed for the State Geological and Natural History Survey, 1916), by H. L. Viereck (page images at HathiTrust)
• The Hymenoptera Aculeata of the British Islands : a descriptive account of the families, genera, and species indigenous to Great Britain and Ireland, with notes as to habits, localities, habitats / (London : Reeve, 1896), by Edward Saunders (page images at HathiTrust)
• Revision of the Nematinae of North America [electronic resource] : a subfamily of leaf-feeding Hymenoptera of the family Tenthredinidae / (Washington : G.P.O., 1896), by C. L. Marlatt (page images at HathiTrust)
• British ants, their life-history and classification. (Plymouth [Eng.] W. Brendon and Son, limited, 1915), by Horace St. John Kelly Donisthorpe (page images at HathiTrust)
• Hymenoptera - (London, Taylor and Francis; Calcutta, Thacker, Spink & Co. [etc., etc.], 1913), by Claude Morley, ed. by A. E. Shipley (page images at HathiTrust)
• Die insekten Mitteleuropas insbesondere Deutschlands. (Stuttgart, Franck'sche Verlagshandlung, 1914-[26]), by Christoph Wilhelm Marcus Schröder, H. Stitz, Otto Schmiedeknecht, J.-J. Kieffer, Heinrich Friese, and Eduard Enslin (page images at HathiTrust; US access only)
• The Hymenoptera aculeata of the British Islands : a descriptive account of the families, genera, and species indigenous to Great Britain and Ireland, with notes as to habits, localities, habitats, etc. / (London : L. Reeve, 1896 [i.e. 1893-1896]), by Edward Saunders (page images at HathiTrust)
• The gall wasp genus Cynips; a study in the origin of species, ([Bloomington, Ind., 1930]), by Alfred C. Kinsey (page images at HathiTrust)
• Hymenoptera of America north of Mexico; synoptic catalog. (Washington, U.S. Govt. Print. Off., 1951), by Carl F. W. Muesebeck (page images at HathiTrust)
• Ueber die Embryonalhülle der Hymenopteren- und Lepidopteren-embryonen. (St.-Pétersbourg, Commissionnaires de l'Académie impériale des sciences [etc., etc.], 1869), by Mitrofan Ganin (page images at HathiTrust)
• The male genitalia of Hymenoptera (with 33 plates) (City of Washington, The Smithsonian Institution, 1941), by R. E. Snodgrass (page images at HathiTrust)
• Die hymenopteren Deutschlands nach ihren gattungen und theilweise nach ihren arten als wegweiser für angehende hymenopterologen und gleichzeitig als verzeichniss der Halle'schen hymenopterenfauna / (Leipzig : E. Kummer, 1866), by Ernst Ludwig Taschenberg (page images at HathiTrust)
• Histoire naturelle des insectes. Hyménoptères. (Paris : Librairie encyclopédique de Roret, 1836-46), by Amédée Lepeletier de Saint-Fargeau and M. Brullé (page images at HathiTrust)
• Systema Piezatorum : secundum ordines, genera, species, adiectis synonymis, locis, observationibus, descriptionibus / (Brunsvigae : Carolum Reichard, 1804), by Johann Christian Fabricius (page images at HathiTrust)
• Cynipid galls of the Eastern United States. (Ann Arbor, Mich., 1959), by Lewis Hart Weld (page images at HathiTrust; US access only)
• Die hymenopteren Mitteleuropas nach ihren gattungen und zum grossen teil auch nach ihren arten analytisch / (Jena : G. Fischer, 1907), by Otto Schmiedeknecht (page images at HathiTrust; US access only)
• Notes on the habits of some Hymenopterous insects from the North-west provinces of india / ([S.l. : s.n.], 1870), by Charles F. Horne (page images at HathiTrust)
• Ichneumon-flies of America north of Mexico : [Part.] 4. Subfamily Gelinae, tribe Hemigasterini (Ann Arbor, MI : American Entomological Institute, 1962), by Henry Townes and Virendra K. Gupta (page images at HathiTrust; US access only)
• Descriptions of new species of Hymenoptera in the collection of the British museum. (London, Printed by order of the Trustees, 1879), by British Museum (Natural History). Department of Zoology and Frederick Smith (page images at HathiTrust)
• Catalogue of British Hymenoptera in the collection of the British museum. (London, Printed by order of the Trustees, 1855), by British Museum (Natural History). Department of Zoology and Frederick Smith (page images at HathiTrust)
• Diagnosen neuer und wenig gekannter Formiciden. ([n. p.], 1866), by Gustav L Mayr (page images at HathiTrust)
• Formicina austriaca : Beschreibung der bisher im österreichischen Kaiserstaate aufgefundenen Ameisen, nebst hinzufügung jener in Deutschland, in der Schweiz und in Italien vorkommenden Arten. ([n.p., 18--?]), by Gustav L Mayr (page images at HathiTrust; US access only)
• Die Familien der Blattwespen und Holzwespen nebst einer allgemeinen Einleitung zur Naturgeschichte der Hymenopteren. Neue Ausg. (Berlin : Haude- und Spener, 1860), by Theodor Hartig (page images at HathiTrust)
• Das Gesellschaftsleben der Ameisen : das Zusammenleben / (Münster i.W. : Aschendorff, 1915), by Erich Wasmann (page images at HathiTrust; US access only)
• Naturgeschichte, Klassification und Nomenclatur der Insekten vom Bienen, Wespen und Ameisengeschlecht : als der fünften Klasse fünfte Ordnung des Linneischen Natursystems von den Insekten, Hymenoptera : mit häutigen Flügeln / (Frankfurt am Main : in der Hermannischen Buchhandlung, 1791), by Johann Ludwig Christ (page images at HathiTrust)
• Études sur les fourmis : les guêpes et les abeilles. ([Paris : Société entomologique de France; etc., etc.], 1893-1909), by Charles Janet and Société entomologique de France (page images at HathiTrust; US access only)
• Die entwicklung von Banchus femoralis Thoms. (Hymenoptera, Ichneumonidae) : Rozwój kosonia Banchus femoralis Thoms. (Varsaviae : Cura et sumptibus Universitatis Liberae Polonae, 1926), by Ryszard Błedowski and Kazimiera Krasińska (page images at HathiTrust; US access only)
• A revision of the Ichneumonidae based on the collection in the British Museum (Natural History) with descriptions of new genera and species ... (London, Printed by order of the Trustees of the British Museum and sold by Longmans & Co. [etc.], 1912-), by British Museum (Natural History). Department of Zoology and Claude Morley (page images at HathiTrust; US access only)
• [Reports of expeditions: Hymenoptera] ([v.p., n.d.]) (page images at HathiTrust; US access only)
• The types of hymenoptera in the Academy of Natural Sciences of Philadelphia other than those of Ezra T. Cresson /, by E. T. Cresson (page images at HathiTrust; US access only)
• Synopsis and reclassification of the Ichneumoninae Stenopneusticae of Africa south of the Sahara (Hymenoptera) / ([Farmington, Me.] : Farmington State College Press, 1967-1968), by Gerd H. Heinrich (page images at HathiTrust; US access only)
• Biology of the European mason bee, Hoplitis anthocopoides (Hymenoptera: Megachilidae), in New York State / (Ithaca : Cornell University Agricultural Experiment Station, New York State College of Agriculture and Life Sciences, 1973), by George C. Eickwort (page images at HathiTrust; US access only)
• Phylogeny and classification of the Aculeate hymenoptera, with special reference to mutillidae / ([Lawrence : University of Kansas], 1975), by D. J. Brothers (page images at HathiTrust; US access only)
• Catalogue of the Hymenoptera types in the Cornell University Insect Collection / (Ithaca, N.Y. : Cornell University Agricultural Experiment Station, New York State College of Agriculture and Life Sciences, 1980-), by E. Richard Hoebeke and Cornell University Insect Collection (page images at HathiTrust)
• A catalogue and reclassification of the nearctic Ichneumonidae (Hymenoptera) / (Philadelphia : American entomological society, 1944-1945), by Henry Townes (page images at HathiTrust; US access only)
• Systematische Zusammenstellung der bisher bekannt gewordenen Chalastogastra (Hymenopterorum Subordo tertius) / (Teschendorf bei Stargard in Mecklenburg ; Neubrandenburg : W. Greve, 1901-), by Friedrich Wilhelm Konow (page images at HathiTrust; US access only)
• Catalogue of hymenopterous insects in the collection of the British museum... (London, Printed by order of the Trustees, 1853-59), by British Museum (Natural History). Dept. of Zoology and Frederick Smith (page images at HathiTrust)
• Biologia centrali-americana. Insecta. Hymenoptera. ([London, Pub. for the editors by R. H. Porter], 1883-1900), by Frederick Du Cane Godman, Auguste Forel, and Peter Cameron, ed. by Osbert Salvin (page images at HathiTrust; US access only)
• American social insects : a book about bees, ants, wasps, and termites / (New York : Van Nostrand, [1951]), by Charles D. Michener and Mary H. Michener (page images at HathiTrust; US access only)
• Catalogue of British fossorial Hymenoptera, Formicidæ, and Vespidæ, in the collection of the British museum. (London, Printed by order of the Trustees, 1858), by British Museum (Natural History). Department of Zoology and Frederick Smith (page images at HathiTrust)
• A monograph of the British phytophagous Hymenoptera ... (London, Printed for the Ray Society, 1882-93), by Peter Cameron (page images at HathiTrust)
• Bees, by Everett Franklin Phillips (Gutenberg ebook)

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