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A new subgenus of Andrenine bees
Vol 7, Page 5, Date 1930
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A new species and variety of Scolops with notes on others (Rhynchota, Fulgoridae)
Vol 7, Page 9, Date 1930
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Three new species of American Cixiidae (Fulgoroidea, Homoptera)
Vol 7, Page 12, Date 1930
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Studies in the Melyridae, number eight
Vol 7, Page 17, Date 1930
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New Corixidae from western North America (Hemiptera)
Vol 7, Page 22, Date 1930
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California Microlepidoptera. IV
Vol 7, Page 27, Date 1930
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The Dipterous genus Sympycnus Loew in North America and the West Indies
Vol 7, Page 35, Date 1930-07
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The Dipterous genus Sympycnus Loew in North America and the West Indies (continued from page 47)
Vol 7, Iss 2, Page 49, Date 1930-10
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A new Bedunia (Hemiptera)
Vol 7, Page 64, Date 1930
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Two new Coleopterous insects from Arizona
Vol 7, Page 70, Date 1930
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A new Aphodius and a new genus and species of Buprestidae from California
Vol 7, Page 73, Date 1930
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New Pogonocherus and Ecyrus (Coleoptera, Cerambycidae) with notes concerning others
Vol 7, Page 77, Date 1930
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New species of Aphodius and Malachius from California (Coleoptera)
Vol 7, Page 101, Date 1931
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Notes on Phaedon
Vol 7, Page 103, Date 1931
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Notes on Pogo-nocherus
Vol 7, Page 105, Date 1931
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Notes on egg hatching-larval, pupal and adult. development in Lina scripta (Fabr.) (Coleoptera: Chrysomelidae)
Vol 7, Page 107, Date 1931
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A Buenoa of south-west United States and Mexico (Hemiptera)
Vol 7, Page 115, Date 1931
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Some new leaf-hoppers of the genus Aligia (Rhynchota, Homoptera)
Vol 7, Page 119, Date 1931
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A new Aeolo-thrips from Nevada with notes on three other species found in California
Vol 7, Page 122, Date 1931
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A list of the Pentatomidae of Zion National Park, Utah
Vol 7, Page 124, Date 1931
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Two new species of bark beetles of the genus Phloeosinus Chapuis (Coleoptera, Scolytidae)
Vol 7, Page 126, Date 1931
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Chermidæ from Utah, Nevada and Arizona, including three new species (Homoptera)
Vol 7, Page 131, Date 1931
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Miscellaneous records of insects inhabiting the saline waters of the Californian desert regions
Vol 7, Page 145, Date 1931
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A new Gyrinus from Alaska, with references to other recently described species (Coleoptera)
Vol 7, Page 154, Date 1931
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The genus Xerophloea in North America (Homoptera, Cioadellidae)
Vol 7, Page 159, Date 1931
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Synonyms in North American Thysanoptera
Vol 7, Page 170, Date 1931
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An interesting new California Thrips
Vol 7, Page 173, Date 1931
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Butterflies of Yam-hill County, Oregon
Vol 7, Page 179, Date 1931