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Some new genera and species of Epeoline and Nomadine bees (Hymenoptera, Nomadidae)
Vol 15, Page 1, Date 1939
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Ornithodoros talaje on the California mainland
Vol 15, Page 12, Date 1939
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New species and subspecies of West American Coleoptera
Vol 15, Page 15, Date 1939
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Notes on Symphyla with descriptions of three new species of Symphylella from California
Vol 15, Page 21, Date 1939
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Geometrid notes and new species
Vol 15, Page 29, Date 1939
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The Aphid genus Kakimia in California
Vol 15, Page 36, Date 1939
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A new subgenus of North American Saprinus (Coleoptera, Histeridae)
Vol 15, Page 39, Date 1939
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The species of Euparyphus related to crotchii O.S. (Diptera, Stratiomyidae)
Vol 15, Page 49, Date 1939
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A new Fijian Orochlesis (Coleoptera, Curculionidae)
Vol 15, Page 57, Date 1939
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Bees related to Diadasia australis Cresson
Vol 15, Page 59, Date 1939
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New species of Malachius from California (Coleoptera, Malachidae)
Vol 15, Page 61, Date 1939
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Four new Centipeds of the genus Cryptops
Vol 15, Page 63, Date 1939
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On the standing of the genus Liburnia Stal (Hemiptera, Fulgoridae)
Vol 15, Page 66, Date 1939
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A new species of Acmaeodera (Coleoptera-Buprestidae) with biological notes on others from Santa Barbara County, California
Vol 15, Page 69, Date 1939
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Taxonomy of the typical sub-genus Odynerus in North America (Hymenoptera, Vespidae)
Vol 15, Page 76, Date 1939
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Notes on the genus Schizopus, with a key to the species (Coleoptera, Buprestidae)
Vol 15, Page 85, Date 1939
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Three new species of Tingitidae (Hemiptera) from Aus-tralia
Vol 15, Page 87, Date 1939
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The Hinds collection of Thysanoptera
Vol 15, Page 91, Date 1939
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The mandibles of Omits dejeani Rche. as secondary sexual organs (Coleoptera, Cicindelidae)
Vol 15, Page 95, Date 1939
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Notes on Odynerus, with a key to the North American subgenera and description of a new subgenus (Hymenoptera, Vespidae)
Vol 15, Page 97, Date 1939
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A new Aphid of the genus Mindarus from white fir in British Columbia (Homoptera, Aphididae)
Vol 15, Page 105, Date 1939
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The mullein thrips
Vol 15, Page 111, Date 1939
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A key to the species of Nebria of northwestern North America (Coleoptera, Carabidae)
Vol 15, Page 117, Date 1939
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Notes on the taxonomy of Noctuid larvae (Lepidoptera)
Vol 15, Page 123, Date 1939
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Notes on North American species of Megarhyssa (Hymenoptera, Ichneumonidae)
Vol 15, Page 126, Date 1939
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East Asian Hispinae and Cassidinae in the collection of the California Academy of Sciences (Coleoptera, Chrysomelidae)
Vol 15, Page 132, Date 1939
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New western Ephemeroptera
Vol 15, Page 145, Date 1939
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New species of Andrenid bees from California (Hymenoptera)
Vol 15, Page 155, Date 1939
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A new species of Thrips from the Mojave desert
Vol 15, Page 168, Date 1939
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California Aphids of the genus Phorodon
Vol 15, Page 173, Date 1939
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A contribution to the knowledge of the Aphididae of Nevada
Vol 15, Page 175, Date 1939
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Remarks on the genus Elasmostethus in North America (Hemiptera, Penta-tomidae)
Vol 15, Page 186, Date 1939
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Two new species of Pasadenus (Homoptera, Cicadellidae)
Vol 15, Page 190, Date 1939
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The Anopheles maculipennis complex of western America (Diptera, Culicidae)
Vol 15, Page 191, Date 1939