McPeak R. H., McCleve S., Lago P. K., 2006: New host plant associations for adult Diplotaxis, Serica, and Phyllophaga (Coleoptera: Scarabaeidae: Melolonthinae) from the western United States. 6 pp. The Coleopterists Bulletin 60(1): 43-48.

 McPeak R. H., Oberbauer T. A., 2004: New host plant associations for adult Serica and Diplotaxis (Coleoptera: Scarabaeidae: Melolonthinae) from California. 4 pp. 

 McPeak R. H., Oberbauer T. A., 2004: New host plant associations for adult Serica and Diplotaxis (Coleoptera: Scarabaeidae: Melolonthinae) from California. 4 pp. The Coleopterists Bulletin 58(1): 139-142.

 McPherson J. E., Packauskas R. J., Korch P. P., 1987: Life history and laboratoy rearing of Pelocoris femoratus (Hemiptera: Naucoridae), with descriptions of immature stages. 8 pp. Proc. Entomol. Soc. Wash. 89(2): 288-295.

 Mead A. R., 2004: Comparative reproductive anatomy in the South African giant land snails (Gastropoda: Pulmonata: Achatinidae). 33 pp. Zoologische Mededelingen Leiden 78: 417-449.

 Mead F. W., Kramer J. P., 1982: Taxonomic study of the planthopper genus Oliarus in the United States (Homoptera: Fulgoroidea: Cixiidae). 188 pp. Trans. Amer. Ent. Soc. 107(4): 381-569.

 Meade R. H., 1892: Speciei novae Tachinidarum descriptio. 2 pp. 

 Meade-Waldo G., 1911: Hymenoptera, Diploptera. 2 pp. 

 Meade-Waldo G., 1914: A revision of the species of the genus Odynerus (Hymenoptera) occurring in the Ethiopian Region. 37 pp. 

 Meade-Waldo G., Morley C., 1914: Notes and synonymy of Hymenoptera in the collection of the British Museum. 9 pp. 

 Mearns E. A., 1896: Preliminary description of a new subgenus and six new species and subspecies of hares, from the mexican border of the United States. 15 pp. 

 Mearns E. A., 1896: Preliminary diagnoses of new mammals from the Mexican border of the United States. 5 pp. 

 Mearns E. A., 1902: Descriptions of three new birds from the Southern United States. 12 pp. 

 Mearns E. A., 1909: A list of birds collected by Dr. Paul Bartsch in the Philippine Islands, Borneo, Guam, and Midway Island, with descriptions of three new forms. 16 pp. 

 Mearns E. A., 1909: Additions to the list of Philippine birds, with descriptions of new and rare species. 13 pp. 

 Mearns E. A., 1913: Descriptions of new African birds of the genera Francolinus, Chalcopelia, Cinnyris, Chalcomitra, Anthreptes, Estrilda, Halcyon, Melittophagus, and Colius. 14 pp. 

 Medda P. K., Chakrabarti S., 1986: Hitherto unknown alate morphs of two species of Eumyzus Shinji (Homoptera: Aphididae) from India with a key to alate viviparous females. 4 pp. Systematic Entomology 11(1): 107-110.

 Medel M. D., 1998: The family Haleciidae (Cnidaria: Hydrozoa) from the Strait of Gibraltar and nearby areas. 22 pp. 

 Medel M. D., Vervoort W., 1998: Atlantic Thyroscyphidae and Sertariidae (Hydrozoa, Cnidaria) collected during the CANCAP and Mauritania-II expeditions of the National Museum of Natural History, Leiden, The Netherlands. 85 pp. Zoologische Verhandelingen.

 Medel M. D., Vervoort W., 2000: Atlantic Haleciidae and Campanulariidae (Hydrozoa, Cnidaria) collected during the CANCAP and Mauritania-II expeditions of the National Museum of Natural History, Leiden, The Netherlands. 68 pp. Zoologische Verhandelingen.

 Meder C., 1930: Über den Stand unserer Kenntnisse von den schleswig-holsteinischen Kleinfaltern. 6 pp. 

 Meder O., 1909: Antwort auf die Anfrage des Herrn Sch. In P. in Nr. 49 dieser Zeitschrift. 1 pp. 

 Meder O., 1909: Colias edusa F. in Thüringen und Norddeutschland. Kopula zwischen verschiedenen Zygaenenarten. Platasamia cynthia in Europa. 7 pp. 

 Meder O., 1930: Über die Nährpflatzen der Lyonetia ledi Wck. (Mikrolep.). 1 pp. 

 Meder O., : Über die Kennzeichnung von Weisslingen zwecks Erfassung ihrer Wanderungen. 7 pp. 

 Mederly P., Hreško J., 1990: Geolgické a geomorfologické pomery ŠPR Zoborská lesostep. 22 pp. 

 Mederly P., Hreško J., 1990: Geológia, reliéf a pôdy ŠPR Lupka. 30 pp. 

 Medianero E., Paniagua M. C., Barrios H., 2007: Galls producted by Hylaeogena thoracica (Coleoptera: Buprestidae) and the effect on the Inquiline Philides anthonomoides (Coleoptera: Curculionidae). 5 pp. The Coleopterists Bulletin 61(4): 568-572.

 Medina E., Delgado M., Garcia V., 1989: Cation accumulation and leaf succulence in Codonanthe macradenia J. D. Smith (Gesneriaceae) under field conditions. 10 pp. [BOT 237] Amazoniana 11(1): 13-22.

 Medler J. T., 1958: A note on swarming and emergence of ants (Hymenoptera, Formicidae). 1 pp. 

 Medler J. T., 1958: A review of the genus Scleroracus in North America (Homoptera: Cicadellidae). 12 pp. 

 Medler J. T., 1959: A note on Megachile centuncularis (Linn.) in Wisconsin (Hymenoptera: Megachilidae). 3 pp. 

 Medler J. T., 1964: A note on Rygchium leucomelas (Saussure) in trap-nests in Wisconsin (Hym.: Vespidae). 2 pp. 

 Medler J. T., 1964: Biology of Rygchium foraminatum in trap-nests in Wisconsin (Hymenoptera: Vespidae). 5 pp. 

 Medler J. T., 1985: Types of Flatidae (Homoptera) III. Lectotype designations and taxonomic notes on species in the Budapest Museum. 6 pp. [HEM 1009] Folia Entomologica Hungarica (S.N.) 46(2): 111-116.

 Medler J. T., 1986: The types of Flatidae (Homoptera) in the Stockholm Museum described by Stal, Melichar, Jacobi and Walker. 15 pp. 

 Medler J. T., 1986: Types of Flatidae VII, lectotype designations and taxonomic notes on species in the Zoological Museum of the Humboldt-University Berlin (Homoptera). 9 pp. [HEM 1010] Deutsche Entomologische Zeitschrift (N.F.) 33: 45-53.

 Medler J. T., 1986: Types of Flatidae. I. Lectotype Designations and Taxonomic Notes on Species in Staatliches Museum für Tierkunde Dresden (Homoptera, Auchenorrhyncha). 7 pp. Reichenbachia 23/19: 109-113.

 Medler J. T., 1988: Types of Flatidae (Homoptera). IX. Lectotype designations, and three new genera for species in the Basel Museum. 9 pp. [M17] 

 Medler J. T., 1990: Types of Flatidae XIII, lectotype designations and taxonomic notes on African species in the Zoological Museum of the Humbolt-University Berlin (Homoptera, Fulgoroidae). 14 pp. Deutsche entomologische Zeitschrift (N.F.) 37(1-3): 105-118.

 Medler J. T., 1992: Revision of the tribe Phyllyphantini in the Oriental region, with descriptions of new genera and new species (Homoptera: Flatidae). 38 pp. 

 Medler J. T., 1993: Types of Flatidae (Homoptera) XIX. Lectotype designations and taxonomic notes on species in the Budapest Museum, Part 2. 9 pp. 

 Medler J. T., 1994: Types of Flatidae (Homoptera) in the Stockholm Museum with lectotype designations. Part 2. 11 pp. 

 Medler J. T., Koerber T. W., 1958: Biology of Megachile relativa Cresson (Hymenoptera, Megachilidae) in trap-newst in Wisconsin. 8 pp. 

 Medvedev G. S., 1967: Obzor černotelok triby Leptodini (Coleoptera, Tenebrionidae). 8 pp. 

 Medvedev G. S., 1968: Novye černotelki triby Akidini (Coleoptera, Tenebrionidae). 7 pp. 

 Medvedev G. S., 1973: Polozhenie rodov Leichenum Dej. i Idisia Pask. (Coleoptera, Tenebrionidae) v sisteme i opisanie novogo roda iz severnych Karakumov. 7 pp. 

 Medvedev G. S., 1976: Novye vidy zhukov-černotelok (Coleoptera, Tenebrionidae) iz Irana. 14 pp. 

 Medvedev G. S., 1982: Novyj vid zhukov-černotelok roda Cnemeplatia Costa (Coleoptera, Tenebrionidae) iz Karakalnakskoj ASSR. 2 pp. 

 Medvedev G. S., 1984: Novyj vid zhukov-chernotelok roda Penthicus Fald. (Coleoptera, Tenebrionidae) iz Tuvy. [A new species of tenebrionid beetle of the genus Penthicus Fald. (Coleoptera, Tenebrionidae) from Tuva]. 3 pp. (in Russian). [TEN 587] Nasekomye Mongolii 9: 298-300.