May J., 1942: Subgenus Allopsithyrus Popov in Böhmen und Mähren (Hym. Apid.) Subgenus Allopsithyrus v Èechách a na Moravì. 9 pp. (in German). [M29] Acta entomologica Musei nationalis Pragae 20: 223-231.
 
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.
 
ASC 45146
May J., 1948: Bionomie rodù Bombus Latr. a Psithyrus Lep. (IV) – èmeláci 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.
 
95500
May W., 1907: Die Naturteleologie und Biogenie der Kirchenväter. 34 pp. (in German).
 
DIP 2131
Mayer K., 1933: Die Metamorphose von Forcipomyia (Apelma) comis Johannsen (Dipt. Ceratopog.). und Beschreibung einer unbekannten Apelma-Larve. 15 pp.
 
60817
Mayer K., 1934: Ceratopogoniden-Metamorphosen (C. intermediae und C. vermiformes) der Deutschen Limnologischen Sunda-Expedition. 37 pp.
 
DIP 2132
Mayer K., 1934: Forcipomyia (Lasiohelea) chrysopae n. sp. und Forcipomyia crudelis Karsch, zwei Blutsauge an Insekten. 2 pp. [M40]
 
DIP 2133
Mayer K., 1935: Die Metamorphose einiger Drosophiliden aus Niederländisch-Indien. (Dipt.). 12 pp. [M40]
 
DIP 2134
Mayer K., 1936: Die Mundwerkzeuge von Pterobosca odonatiphila Macfie. 3 pp. [M40]
 
95501
Mayer K., 1938: Zur Kenntnis der Buchenhöhlenfauna. 13 pp. (in German).
 
DEZ 06230
Mayer K., 1959: Die Puppen brasilianischer Heleiden (Diptera). 4 pp. [DIP 2136] Deutsche Entomologische Zeitschrift (N.F.) 6(1-3): 230-233.
 
DEZ 06096
Mayer K., 1959: Zwei Dasyhelea-Arten aus spanischen Salzgärten (Dipt. Heleidae). 4 pp. [DIP 2137] Deutsche Entomologische Zeitschrift (N.F.) 6(1-3): 96-99.
 
DEZ 16115
Mayer K., 1967: Untersuchungen über die Populationsfluktuationen von Oscinella frit L. 12 pp. [DIP 2138] Deutsche Entomologische Zeitschrift (N.F.) 16: 115-126.
 
PSC 134
Mayer R. F., 1970: Quleques particularités morphologiques chez les blennies (Pisces, Blenniidae) de la Mer Noire et leur role dans le comportement de ceux-ci. 10 pp.
 
EBA 06416
Mayor A., Wittmer W., 1981: A new genus of Malachiidae from Asia (Coleoptera). 4 pp. [B19] [M16]
 
CBU 35473
Mayor A., Wittmer W., 1981: A review of the genus Nodopus, with a description of a new species from southeastern North America (Coleoptera: Malachiidae). 4 pp. [B14] [M25] The Coleopterists Bulletin 35(4): 473-476.
 
95502
Mayr G. L., 1863: Ein Ausflug nach den südlichen Inseln des Quarnero. 21 pp. (in German).
 
51497
Mayr G. L., 1879: Ueber die Schlupfwespengattung Telenomus. 18 pp.
 
HYM 2465
Mayr G. L., 1886: Eine neue Cynipide aus Mexico. 5 pp.
 
51498
Mayr G. L., 1886: Notizen über die Formiciden-Sammlung des British Museum in London. 16 pp.
 
EVE 486
Mazepova G. F., 1955: Novaja forma Eucyclops serrulatus (Fisch.) (Copepoda, Cyclopoida) iz ozera Bajkal. 6 pp.
 
ARA 160
Maziarz, 1985: Dane do biologii i fenologii wielkopakowca leszczynowego – Phytoptus avellanae (Nal.) (Acarina, Phytoptidae). 14 pp. [PPE 65583] [M25]
 
8119
Mazochin-Porshnyakov G. A., 1965: Zrenie nasekomych. 263 pp.
 
AZC 2615
Mazur M., 1983: Ryjkowce (Coleoptera: Curculionidae) poludniowej czesci Wyzyny Krakowskiej. 52 pp. [M07] [13561]
 
AZC 35467
Mazur M., 1993: Beitrag zur Kenntnis der Otiorhynchus denigrator-Gruppe (Coleoptera, Curculionidae). 30 pp. [M07] [13562]
 
AZC 35445
Mazur M., 1993: Beschreibungen der Männchenvon Otiorhynchus coarctatus Stierlin, O. crataegi Germar und O. rhilensis Stierlin (Coleoptera, Curculionidae). [M14]
 
AZC 35455
Mazur M., 1993: Die kaukasischen Arten der Otiorhynchus gemmatus-Gruppe (Coleoptera, Curculionidae). 12 pp. [M07] [13563]
 
AZC 35497
Mazur M., 1993: Subspecifische Gliederung des Otiorhynchus raucus (Fabricius, 1777) (Coleoptera: Curculionidae). 11 pp. [M07] [13566]
 
PPE 40731
Mazur S., 1970: Contribution to the knowledge of Histeridae (Coleoptera) of Bulgaria. 7 pp. [HIS 46] Polskie Pismo Entomologiczne 40: 731-737.
 
FFA 1606
Mazur S., 1970: Contribution to the knowledge of Histeridae of Korea (Coleoptera). 5 pp. [HIS 47] Fragmenta Faunistica 16/6: 57-61.
 
PPE 42145
Mazur S., 1972: Contribution to the knowledge of Sphaeritidae, Histeridae and Cleridae (Coleoptera) of Balkans. 6 pp. [HIS 141] Polskie Pismo Entomologiczne 42(1): 145-150.
 
PPE 42137
Mazur S., 1972: Systematic and synonymic notes upon certain species of Histeridae (Coleoptera). 7 pp. [HIS 49] [M23] Polskie pismo entomologiczne 42(1): 137-143.
 
SAR 05225
Mazur S., 2009: Notes on the genus Oxysternus Dejean, 1834 (Coleoptera: Histeridae) with special references to its systematic position. 8 pp. (in English). Studies and reports of District Museum Prague-East (T.S.) 5(1-2): 225-232.
 
EBA 34179
Mazur S., 2013: On new and little-know histerids (Coleoptera: Histeridae) from Laos with additional notes on species composition and zoogeography. 28 pp. Entomologica Basiliensia et collectionis Frey 34: 179-206.
 
SAR 05233
Mazur S:, Ohara M:, 2009: Notes on the genus Eblisia Lewis, 1889 in relation to Platysomatini, with description of four new genera (Coleoptera: Histeridae). 16 pp. (in English). Studies and reports of District Museum Prague-East (T.S.) 5(1-2): 233-248.
 
MAM 31
Mazzolli M., 1993: Ocorrencia de Puma concolor (Linnaeus) (Felidae, Carnivora) em áreas de vegetacao remanescentede Santa Catarina, Brasil. 7 pp. Revta bras. Zool. 10(4): 581-587.
 
REP 132
Mazzoti S., Dall’Olio R., 2003: Missione scientifica di un erpetologo in Ecuador. 6 pp. Quad. St. Not. Stor. Nat. Romagna 17 (suppl.): 139-144.
 
BOT 88
Mazzotti S., 1999: Osservazioni fenologiche su Orchide maggiore (Orchis purpurea Hudson) in ambienti post-culturali. 7 pp. [M36] Annali del Museo Civico di Storia Naturale di Ferrara 2: 33-39.
 
95503
Mazzucco K., 1969: Beobachtungsstation Weißsee 2300 m Hohe Tauern, Salzburg. 24 pp. (in German).
 
ZME 793069
McAllan I., Borgo E., Violani C., 2005: The transfer of a collection of bird skins from the Solomon Islands via Australia to Italy in the late 19th century. 10 pp. Zoologische Mededelingen Leiden 79 (3): 69-78.
 
PSC 135
McAllister D. E., 1970: The fresh and brackish water fishes. 6 pp.
 
DIP 2146
McAlpine J. F., 1960: First record of the family Camillidae in the New World (Diptera). 3 pp.
 
60827
McAlpine J. F., 1971: A revision of the subgenus Neoleucopis (Diptera: Chamaemyiidae). 24 pp.
 
PAR 3
McDaniel B., Bohls R. A., 1984: The distribution and host range of Entomophaga grylli (Fresenius), a fungal parasite of grasshoppers in South Dakota. 5 pp. Proc. Entomol. Soc. Wash. 86(4): 864-868.
 
ASN 68
McDaniel B., Easton E. R., 1986: A species of flea (Siphonaptera) associated with porcupines collected in Sout Dakota. 3 pp. Proc. Entomol. Soc. Wash. 88(2): 265-267.
 
CTH 88
McDermott F. A., 1953: Photuris bethaniensis, a new lampyrid firefly. 3 pp.
 
13573
McDermott F. A., 1960: Fireflies of the genus Pyractonema (Coleoptera: Lampyridae). 25 pp. Proc. U.S. Natl. Mus. 112: 133-157.
 
60830
McFadden M. W., 1967: Soldier fly larvae in America north of Mexico. 72 pp.
 
95504
McGee W. J., 1900: Cardinal principles of science. 12 pp. (in English).
 
AZO 47059
McHugh J. V., Pakaluk J., 1997: Review of the larval stages of Epipocinae (Coleoptera: Endomychidae). 19 pp. [M08] [13580]