Masner L., Kozlov M. A., 1965: Four remarkable egg parasites in Europe (Hymenoptera, Scelionidae, Telenominae). 7 pp. Acta entomologica Bohemoslovaca 62: 287-293.
50
2
51484
Masner L., Muesebeck C. F. W., 1968: The types of Proctotrupoidea (Hymenoptera) in the United States National Museum. 143 pp.
990
40
ASC 56161
Masner L., Sundholm A., 1959: Some nomenclatoric problems in Diapriidae (Hym., Proctotrupoidea). 8 pp. [HYM 2437] Acta Societatis entomologicae Cechosloveniae 56: 161-168.
50
2
HYM 6703
Mason W. R. M., 1959: An albino mosaic in Hymenoptera (Phaeogenes hariolus Cresson: Ichneumonidae). 2 pp.
50
2
HYM 2438
Mason W. R. M., 1960: A new species of Microctonus (Hymenoptera: Braconidae). 2 pp.
50
2
AEB 83101
Mason W. R. M., 1960: A new species of Microctonus (Hymenoptera: Braconidae). 2 pp. Acta entomologica Bohemoslovaca 83: 101-104.
50
2
HYM 2439
Mason W. R. M., 1960: New Hymenopterous parasites of lodgepole pine needle miners. 8 pp.
50
2
HYM 6704
Mason W. R. M., 1961: New Ichneumonidae (Hymenoptera) from Tamarack. 5 pp.
50
2
HYM 6705
Mason W. R. M., 1964: Regional color patterns in the parasitic Hymenoptera. 3 pp.
50
2
HYM 6706
Mason W. R. M., 1967: A new species of Kristotomus (Hymenoptera: Ichneumonidae) from India. 4 pp.
50
2
HYM 6707
Mason W. R. M., 1967: Specialization in the egg structure of Exenterus (Hymenoptera: Ichneumonidae) in relation to distribution and abundance. 10 pp.
50
2
HYM 6708
Mason W. R. M., 1968: New Canadian Cryptinae (Ichneumonidae: Hymenopteraa). 7 pp.
50
2
HYM 2441
Mason W. R. M., 1971: An Indian Agriotypus (Hymenoptera: Agriotypidae). 4 pp.
50
2
HYM 4906
Mason W. R. M., 1975: A new nearctic Apanteles (Hymenoptera: Braconidae) from Oregon grape (Berberidaceae). 3 pp.
50
2
HYM 4907
Mason W. R. M., 1976: A revision of Dyscoletes Haliday (Hymenoptera: Braconidae). 4 pp.
50
2
HYM 4614
Mason W. r. M., 1985: The correct spelling for Adelius Haliday (Hymenoptera: Braconidae). 1 pp. Proc. Entomol. Soc. Wash. 87(4): 896.
50
2
HYM 4616
Mason W. R. M., 1987: Discovery of female Apozyx (Hymenoptera: Apozygidae) and comments on its taxonomic position. 4 pp. Proc. Entomol. Soc. Wash. 89(2): 226-229.
50
2
HYM 4617
Mason W. R. M., 1987: Vadum, a new genus of Nearctic Braconidae (Hymenoptera). 4 pp. Proc. Entomol. Soc. Wash. 89(2): 325-328.
50
2
HYM 6711
Massee A. M., 1933: Tarsonemus approximatus Banks var. Narcissi Ewing: a variety of tasonemid new to the British list. 4 pp.
50
2
ESC 06237
Masuko K., 2003: Analysis of brood development in the ant Amblyopone silvestrii, with special reference to colony bionomics. 9 pp. (in English). Entomological Science 6: 237-245.
50
2
ESC 13191
Masuko K., 2010: Nest density and distribution of subterranean ants in an evergreen broadleaf forest in Japan with special reference to Amblyopone silvestrii. 8 pp. Entomological Science 13(2): 191-198.
50
2
HYM 6712
Mathews R. W., 1970: A new thrips-hunting Microstigmus from Costa Rica (Hymenoptera: Sphecidae, Pempredoninae). 7 pp.
50
2
HYM 2443
Mathewson J. A., Daly H. V., 1955: A brief note on the sleep of male Melissodes (Hymenoptera: Apidae). 1 pp.
50
2
HYM 2444
Mathur R. N., 1955: A new species of Megastigtmus Dalman (Hymenoptera: Chalcidoidea) from seeds of Cupressus torulosa Don. 4 pp. [M47]
50
2
HYM 2445
Mathur R. N., 1956: A new species of Anastatus Motschulsky (Chalcidoidea: Eupelmidae) from Kashmir. 5 pp.
50
2
HYM 5569
Mathur R. N., 1957: A new species of Rogas (Insecta: Hymenoptera: Braconidae) from India. 6 pp.
50
2
HYM 7434
Matsuda R., 1960: A new interpretation of the pleurosternal region of the Hymenopterous thorax. 5 pp.
50
2
ESC 10267
Matsumoto R., Konishi K., 2007: Life histories of two ichneumonid parasitoids of Cyclosa octotuberculata (Araneae): Reclinervellus tuberculatus (Uchida) and its new sympatric congener (Hymenoptera: Ichneumonidae: Pimplinae). 12 pp. Entomological Science 10(3): 267-278.
50
2
JJS 22175
Matsuo K., Takagi E., 2016: New host records of Macrodasyceras japonicum (Ashmead, 1904) (Hymenoptera, Torymidae), with notes of its morphology. 4 pp. Japanese Journal of Systematic Entomology 22(2): 175-178.
50
2
53678
Matthews R. W., 1968: Nesting biology of the social wasp Microstigmus comes (Hymenoptera: Sphecidae, Pemphredoninae). 23 pp.
195
8
53679
Matthews R. W., 1970: A revision of the genus Spathius in America North of Mexico (Hymenoptera, Braconidae). 86 pp.
790
32
HYM 6713
Matthews R. W., 1983: Biology of a new Trypoxylon that utilizes nests of Microstigmus in Costa Rica (Hymenoptera: Sphecidae). 11 pp.
50
2
53680
Matthews R. W., Evans H. E., 1970: Biological notes on two species of Sericophorus from Australia (Hymenoptera: Sphecidae). 17 pp.
150
6
HYM 6714
Matthews R. W., Evans H. E., 1974: Notes on the behavior of three species of Microbembex (Hymenoptera: Sphecidae) in South America. 7 pp.
50
2
HYM 7481
Mauss V., 2000: Anatomie des Darmtraktes von Pollenwespen (Hymenoptera, Vespidae, Masarinae): Anpassungen an Pollentransport und-konsumtion. 4 pp. (in German). Mitt. Dtsch. Ges. Allg. Angew. Ent. 12: 571-574.
50
2
HYM 7482
Mauss V., Berger A., 2000: Funktion von Strukturen des Exoskeletts und des Genitalapparates der Männchen verschiedener Ceramius-Arten (Hymenoptera, Vespidae, Masarinae) während der Kopulation. 4 pp. (in German). Mitt. Dtsch. Ges. Allg. Angew. Ent. 12: 485-488.
50
2
ESC 13042
Mauss V., Müller A., Yildirim E., 2010: First contribution to the bionomics of the pollen wasp Ceramius palaestinensis (Giordani Soika, 1957) (Hymenoptera: Vespidae: Masarinae) in Turkey. 18 pp. Entomological Science 13(1): 42-59.
95
4
HYM 5570
Mavromoustakis G. A., 1954: Two new Megachilidae (Hymenoptera, Apoidea) from Syria. 4 pp.
50
2
HYM 5571
Mavromoustakis G. A., 1957: Hymenoptera, Apoidea. 3 pp.
50
2
ASC 34115
May J., 1937: Bionomie rodů Bombus Latr. a Psithyrus Lep. (I.) (Hymen. Apid.). 4 pp. [HYM 2453] Acta Societatis entomologicae Cechosloveniae 34: 115-118.
50
2
AEP 20223
May J., 1942: Subgenus Allopsithyrus Popov in Böhmen und Mähren (Hym. Apid.) Subgenus Allopsithyrus v Čechách a na Moravě. 9 pp. (in German). [M29] Acta entomologica Musei nationalis Pragae 20: 223-231.
50
2
AEP 21231
May J., 1944: Beitrag zur Systematik einiger Arten der Schmarotzer-Hummeln – Psithyrus Lep. (Hymen. Apoid.). 46 pp. [51491] [M29] Acta Entomologica Musei Nationalis Pragae 21-22: 231-274.
350
14
ASC 45146
May J., 1948: Bionomie rodů Bombus Latr. a Psithyrus Lep. (IV) – čmeláci v Krkonoších. [Bionomie des Genres Bombus Latr. et Psithyrus Lep. (IV) – les bourdons dans les monts de Géants. (Hym. Bombidae)]. 10 pp.(in Czech) [HYM 2456] [HYM 2457] Acta Societatis entomologicae Cechosloveniae 45: 146-155.
50
2
HYM 2458
Mayer , Schulthess , 1922: Beobachtungen an Nestern von geselligen und solitaeren Wespen. 13 pp.
50
2
HYM 2459
Mayer A., 1915: Hymenoptera (exklus. Formicidae). 4 pp.
50
2
HYM 2460
Mayer K., 1935: Rozšíření lumka chrostíkového Agriotypus armatus (Walk.) Curt. v povodí Blanice. 4 pp.
50
2
HYM 5087
Mayer K., 1956: Wespen als Fliegenfeinde. 2 pp.
50
2
51492
Mayer K., 1960: Das Trichogramma-Problem. 50 pp.
495
20
51493
Maynard G. V., 1992: Revision of Leioproctus (Cladocerapis) Cockerell (Hymenoptera: Colletidae). 11 pp. J. Aust. Ent. Soc. 31(1): 1-11.
95
4
HYM 6716
Maynard G. V., Burwell C. J., 1994: Notes on nests of Leioproctus cristatus (Smith) (Hymenoptera: Colletidae). 3 pp.