Apidae Alfken, J.D. (1924) "Zur Kenntnis einiger Arten der Megachile argentata-Gruppe." Acta Musaei Dzieduszyckiani 9: 86-91. [Megachile pilidens] Blüthgen, P. {1934} "Schwedisch-chinesische wissenschaftliche Expedition nach den nordwestlichen Provinzen Chinas unter Leitung von Dr. Sven Hedin und Prof. Sü Ping-chang: Insekten, gesammelt vom schwedischen Arzt der Expedition Dr. David Hummel 1927-1930. 27. Hymenoptera. 5. Halictus- und Sphecodes-Arten (Hym.; Apidae; Halictini)." Arkiv för Zoologi 27A(13): 1-23. [Lasioglossum subfulvicorne] Ebmer, A.W. (1974) "Die Halictidae Makedoniens (Hymenoptera: Apoidea). Musei Macedonici scientarum Naturalium 14(3) (121): 45-166. [Lasioglossum subfulvicorne] Ebmer, A.W. (1982) "Zur Bienenfauna der Mongolei. Die Arten der Gattungen Halictus LATR. und Lasioglossum CURT. (Hymenoptera, Halictidae). Ergebnisse der Mongolisch-Deutschen Biologischen Expeditionen seit 1962, Nr. 108" Mitteilungen aus dem Zoologischen Museum in Berlin 58: 199-227. [Lasioglossum subfulvicorne] Harris, M. (1782) An Exposition of English Insects Including the Several Classes of Neuroptera, Hymenoptera, & Diptera, or Bees, Flies, & Libellulae. London: Robson. [Dasypoda altercator] Kuhlmann, M. & Proshchalykin, M.Y.U. (2014) "The bees of the genus Colletes Latreille 1802 of the European part of Russia, with keys to species (Hymenoptera: Apoidea: Colletidae)" Zootaxa 3878: 201-247. Noskiewicz, J. (1926) "Neue europäische Bienen." Polskie Pismo Entomologiczne 4: 230-237. [Lasioglossum lissonotum] Sparre-Schneider, J. (1917) Die Hummeln der Kristiania-Gegend. Tromsö Museums Aarshefter 40(2) 1-45. [Bombus norvegicus] Stoeckhert, E. (1928) Archiv für Insektenkunde des Oberrheingebietes und der angrenzenden Länder 243- [Andrena strohmella] Stoeckhert, E. (1935) "Über einige neue deutsche Arten der Andrena minutula-Gruppe (Hym. Apid.)." Berliner entomologische Zeitschrift 1-2: 65-85. Eulophidae Graham, M.W.R. (1991) "A reclassification of the European Tetrastichinae (Hymenoptera: Eulophidae): Revision of the remaining genera." Memoirs of the American Entomological Institute 49: 1-322. [no species] Figitidae Hedicke, H. (1930) "Beiträge zur Kenntnis der Cynipiden. (Hym.)." Berliner entomologische Zeitschrift 1: 74-76. Kerrich, G.J. & Quinlan, J. (1960) "Studies on Eucoiline Cynipoidea (Hym.)." Opuscula Entomologica 25: 179-196. Nordlander, G. (1976) "Studies on Eucoilidae (Hymenoptera, Cynipoidea). I. A revision of the northwestern European species of Cothonaspis Htg. with description of a new species and notes on some other genera." Entomologisk Tidskrift 97: 65-77. - no pdf Gasteruptiidae Crosskey, R.W. (1951) "The morphology, taxonomy, and biology of the British Evanioidea (Hymenoptera)." Transactions of the Royal Entomological Society of London 102: 247-281. Crosskey, R.W. (1962) "The classification of the Gasteruptiidae (Hymenoptera)." Transactions of the Royal Entomological Society of London 114: 377-402. Hedqvist, K.J. (1973) "Notes on the superfamily Evanioidea in Sweden with keys to families, genera and species (Hym., Apocrita)." Entomologisk Tidskrift 94: 177-187. Ichneumonidae Berthoumieu, V. (1906) "Supplement aux Ichneumoniens d'Europe et d'Algerie." Echange. 22: 59-60. [Trachyarus anceps p.59] Holmgren, A.E. (1880) Novas species insectorum cura et labore A.E. Nordenskioldii e Novaia Semlia cocatorum. Holmiae: Officina Beckmanniana. [Allomacrus arcticus] Kasparyan, D.R. (1969) "Palearctic species of the genus Tryphon Fallen (Hymenoptera, Ichneumonidae)." I, II. Entomological Review 48: 407-419, 572-584. [Tryphon abditus] - no pdf available Kasparyan, D.R. (2001) "Palaearctic ichneumonid wasps of the genus Mesoleius (s. str.) Holmgren (Hymenoptera, Ichneumonidae): II." Entomological Review - no pdf available Kasparyan, D.R. (2003) "Palaearctic species of the ichneumonid-wasp genus Campodorus Foerster (s. str.) (Hymenoptera, Ichneumonidae) with pectinate tarsal claws." Entomological Review - no pdf available Kasparyan, D.R. (2004) "A review of palaearctic species of the tribe Ctenopelmatini (Hymenoptera, Ichneumonidae). The genera Ctenopelma Holmgren and Homaspis Foerster." Entomological Review - no pdf available Kasparyan, D.R. (2005) "Palaearctic species of the ichneumon-fly genus Campodorus Förster (Hymenoptera, Ichneumonidae): II Species with red mesothorax and species with yellow face." Entomological Review - no pdf available Kasparyan, D.R. & Shaw (2003) "A Preliminary Key to the European Species of the Genus Saotis Förster, 1869, with a List of British Species (Ichneumonidae: Ctenopelmatinae: Mesoleini)." Zoosystematica Rossica Rasnitsyn, A.P. (1981) "Gravenhorst's and Berthoumieu's types of Ichneumoninae Stenopneusicae preserved in Wroclaw and Cracow, Poland (Hymenoptera, Ichneumonidae)." Polskie Pismo Entomologiczne 51: 101-145. [Ichneumon stramentor] Wesmael, C. (1848) Adnotationes ad descriptiones ichneumonum Belgii. [Cratichneumon infidus] Pompilidae Haupt, H. (1927) "Monographie der Psammocharidae (Pompilidae) von Mittel-, Nord- und Osteuropa." Berliner entomologische Zeitschrift 1-367. [Priocnemis gracilis] - Wiley Tenthredinidae Benson, R.B. (1943) "The green British species of Tenthredo (Hymenoptera Symphyta)." The Entomologist 76: 133-144. [Rhogogaster chlorosoma] Frivaldszky, J. (1877) Adatok Temes és Krassó megyék faunájához. Data ad faunam Hungariae meridionalis comitatuum Temes et Krassó. Szabó, J. (ed) Mathematikai és Természettudományi Közlemények, Vonatkozólag a hazai viszonyokra. Kiadja a Magyar Tudományos Akadémia Mathematikai és Természettudományi Állandó Bizottsága, Budapest, XIII. Kötet, 1875/6, 378 pp. [Tenthredopsis tischbeinii] Viitasaari, M. & Vikberg, V. (1985) "Checklist of the sawflies (Hymenoptera, Symphyta) of Finland." Notulae entomologicae 65: 1-17. [Blennocampa phyllocolpa]