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Determina-tion of sex in adult rice and granary weevils (Coleoptera: Curculionidae)
Vol 27, Page 13, Date 1951
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Hispella a synonym of Hispa Linnaeus, and a new Dactylispa from China (Coleop-tera: Chrysomelidae)
Vol 27, Page 17, Date 1951
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A homonym in the genus Thrips Linne (Thysanop-tera: Thripidae)
Vol 27, Page 19, Date 1951
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Observations on Rhopalomyia californica Felt (Dip tera: Itonididae)
Vol 27, Page 20, Date 1951
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A check list of the ticks of Utah
Vol 27, Page 23, Date 1951
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Newspecies of Coleoptera from North America
Vol 27, Page 27, Date 1951
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A new mountain midge from California (Diptera: Deuterophlebiidae)
Vol 27, Page 49, Date 1951
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The spinose ear tick in Washington
Vol 27, Page 59, Date 1951
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Records and descriptions of Megachilid bees from Texas (Hymenoptera)
Vol 27, Page 61, Date 1951
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New North American species of Nemognatha and Zonitis (Coleoptera, Meloidae)
Vol 27, Page 72, Date 1951
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Liriomyza langei, a new species of leaf miner of economic importance in California (Diptera: Agromyzidae)
Vol 27, Page 81, Date 1951
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A specimen of Hoplopayllus anomalus (Baker) lacking a pronotal ctenidium (Sipho-naptera)
Vol 27, Page 91, Date 1951
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Dettopsomyia and Ptilomyia: two genera new to the United States (Diptera: Drosophilidae; Ephydridae)
Vol 27, Page 92, Date 1951
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Four new fleas of the genus Dactylopsylla Jordan,1929(Sipho-naptera)
Vol 27, Page 128, Date 1951
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The caddisfly genus Anagapetus (Trichoptera: Rhy-acophilidae)
Vol 27, Page 140, Date 1951
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Notes on insects associated with Lupinus polyphyllus Lindl. in the Pacific northwest
Vol 27, Page 149, Date 1951
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New species of Oriental Endomychidae, with remarks on some previously known species (Coleoptera: Endomy-chidae)
Vol 27, Page 157, Date 1951
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Nesting habits of Steniolia nigripes Parker (Hymenoptera: Sphecidae)
Vol 27, Page 167, Date 1951
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A new species of Haplaxius, with a key to California species (Homoptera: Cixiidae)
Vol 27, Page 169, Date 1951
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Note on the swarming of Brachymyrmex sp. (Hymenoptera: Formicidae)
Vol 27, Page 171, Date 1951
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Anopheles freeborni hibernating in wood rats' nests (Diptera: Culicidae)
Vol 27, Page 172, Date 1951
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New Nevada Orthoptera records for the1949col-lecting season
Vol 27, Page 173, Date 1951
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The modified hind wing of Euglossa (Hymenoptera: Apoidea.)
Vol 27, Page 181, Date 1951
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Some New World Xylotinae (Diptera: Syrphidae)
Vol 27, Page 183, Date 1951
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A satisfactory technique for rearing Agromyzid flies from the leaf mining larval stage (Diptera: Agromyzidae)
Vol 27, Page 187, Date 1951
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Rearing the greenbottle-fly on dog biscuits
Vol 27, Page 191, Date 1951
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A note on the manner of feeding of Agulla adnixa Hageu (Raphidiodea: Raphidiidae)
Vol 27, Page 192, Date 1951