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'Leptocera lutosa': A complex of Nearctic species (Diptera, Sphaeroceratidae)
Vol 51, Page 1, Date 1949
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Hirstiella pelaezi, a new lizard parasite from Mexico
Vol 51, Page 25, Date 1949
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A new North American species of Pulvinaria (Homoptera, Coccidae)
Vol 51, Page 29, Date 1949
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Studies in the Tiphiidae. VII. The Madagascan species (Hymenoptera, Aculeata)
Vol 51, Page 45, Date 1949
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A new mymarid parasitic in the eggs of |Helopeltis cinchonae| Mann
Vol 51, Page 75, Date 1949
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A new fly related to Phlebotomus from Panama (Diptera, Psychodidae)
Vol 51, Page 81, Date 1949
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The oviposition of the two-striped Walkingstick, Anisomorpha buprestoides (Stoll)
Vol 51, Page 103, Date 1949-06
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A new species of Opius from the Philippine Islands (Hymenoptera, Braconidae)
Vol 51, Page 114, Date 1949
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Meringis bilsingi, a new ectoparasite of the ord kangaroo rat, Dipodomys ordii Woodhouse (Siphonaptera, Hystri-chopsyllidae)
Vol 51, Page 116, Date 1949
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Paratydeidae, a new family of mites (Acarina)
Vol 51, Page 119, Date 1949
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Pimeliaphilus isometri, a new scorpion parasite from Manila, P.I
Vol 51, Page 123, Date 1949
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Culicine mosquitoes collected in Western Yunnan, China during 1940-1942 (Diptera, Culicidae)
Vol 51, Page 127, Date 1949
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A classification for the Nearctic species of Wormldia and Dolophilodes
Vol 51, Page 154, Date 1949
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A new Miocene Ulmeriella (Fossil Isoptera, Hodotermitidae)
Vol 51, Page 164, Date 1949
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Studies in Hawaiian fruit flies (Diptera, Tephritidae)
Vol 51, Page 181, Date 1949
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The structure and biology of the red spider predator, "Hypoaspis" macropilis (Banks) (Acarina, Laelaptidae)
Vol 51, Page 209, Date 1949
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A new subspecies of Stenelmis from Nevada
Vol 51, Page 218, Date 1949
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The genus Stenodynerus in southern Arizona (Hymenoptera, Vespidae)
Vol 51, Page 237, Date 1949
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A new genus of Simuliidae from Alaska (Diptera)
Vol 51, Page 260, Date 1949
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Melanoplus rugglesi, a migratory grasshopper from the Great Basin of North America (Orthoptera: Acrididae)
Vol 51, Page 267, Date 1949
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Some synonyms in the family Lygaeidae (Hemiptera)
Vol 51, Page 273, Date 1949
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Notes On Forest Mosquitoes Of Panama. I. Haemagogus Spegazzinii Falco Kumm Et Al, Haemagogus Iridicolor Dyar, Anopheles (Lopho podomyia) Squamifemur Antunes. And Anopheles (Anopheles) Fausti Vargas, Four New Records For The Country
Vol 51, Page 277, Date 1949
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A now moth on coconut from Cubit, with descriptions of new genera for related species (Lepidoptera, Phalaenidae)
Vol 51, Page 279, Date 1949
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A new moth from Patagonia (Lepidoptera, Phalaenidae)
Vol 52, Page 40, Date 1950
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The Silphidae of the Philippine Islands (Coleoptera)
Vol 52, Page 63, Date 1950
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Alitocoris, a new genus of Pentatomidae (Hemiptera)
Vol 52, Page 69, Date 1950
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Two genera and three new species of Braconidae (Hymenoptera)
Vol 52, Page 77, Date 1950
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Haemolaelaps bibbyi, a new rat ectoparasite from Samar. (Acarina, Laelaptidae)
Vol 52, Page 85, Date 1950
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Notes On The Phlebotomus Of Panama. V. The Second Sternite As A Taxonomic Character (Diptera. Psychodidae)
Vol 52, Page 91, Date 1950
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A new stratiomyid from Madagascar (Diptera)
Vol 52, Page 100, Date 1950
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Notes on Indo-Malayan fleas, with descriptions of new species (Siphonaptera)
Vol 52, Page 109, Date 1950
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A new genus of Phlaeothripidae from Mexico (Thysanoptera)
Vol 52, Page 143, Date 1950
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A new Microculex, elongatus, from Colombia, with notes on the subgenus (Diptera, Culicidae)
Vol 52, Page 147, Date 1950
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A new Lasius (Acanthomyops) with a key to North American females (Hymenoptera, Formicidae)
Vol 52, Page 184, Date 1960
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Respiratory organs of chiggers. (Acarina)
Vol 52, Page 194, Date 1950
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A new species of mosquito in California, Aedes (Ochlerotatus) bicristatus (Diptera, Culicidae)
Vol 52, Page 237, Date 1950
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Notes On Parasites Of Sitona In Europe, With Especial Reference To Campogaster Exigua (Meig.)
Vol 52, Page 251, Date 1950
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New genera and species of Cixiidae from Mexico (Homoptera, Fulgoroidea)
Vol 52, Page 287, Date 1950
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A redescription of four genera of chigger mites, together with a description of a new genus and subgenus (Acarina, Trombiculidae.)
Vol 52, Page 291, Date 1950
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A new Tingid from the Canal Zone (Hemiptera)
Vol 52, Page 299, Date 1950
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A new species of the genus Potamocoris from Honduras (Hemiptera, Naucoridae)
Vol 52, Page 301, Date 1950
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A new species of nasal mite, Neonyssus (Neonyssus) columbae, from the pigeon (Acarina, Mesostigmata, Rhinonyssidae)
Vol 52, Page 309, Date 1950
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A new Damaromyia, and the larva of D. tasmanica Kertész (Diptera, Stratiomyidae)
Vol 52, Page 312, Date 1950