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Biological studies on three forms of the two-spotted spider mite (Acarina: Tetranychidae)
Vol 28, Page 1
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A larva of Trichodes ornatus from a pollen trap on a hive of honey bees
Vol 28, Page 6
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The emergence, feeding habits, and host of Opsebius diligens Osten Sacken (Diptera : Acroceridae)
Vol 28, Page 7
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A third Mexican species of Genuchinus (Coleoptera: Scarabaeidae)
Vol 28, Page 12
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Three new Errhomus, with a key to the species (Homoptera : Cicadellidae)
Vol 28, Page 13
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A new gall midge pest of toyon berries (Diptera : Itonididae)
Vol 28, Page 16
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New species and notes on California mayflies (Ephemeroptera)
Vol 28, Page 17
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A new species of Nitidulid beetle from Chile (Coleoptera)
Vol 28, Page 40
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New and intersting species of Dermestidae (Coleoptera)
Vol 28, Page 43
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A new species of Lordotus from Southern California (Bombyliidae : Diptera)
Vol 28, Page 49
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The genus Eurysa in America north of Mexico (Homoptera: Fulgoridae, Delphacinae)
Vol 28, Page 51
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A new genus of Chryxinae from Brazil and Argentina (Hemiptera : Reduviidae)
Vol 28, Page 55
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Another American fly attracted to smoke (Diptera: Empididae)
Vol 28, Page 56
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Insects associated with Sequoia sempervirens and Sequoia gigantea in California
Vol 28, Page 75
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Collecting Brachycistidine females (Hymenoptera: Tiphiidae)
Vol 28, Page 91
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New western Ephemeroptera, III, IV
Vol 28, Page 93
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Notes on the ecology of Culiseta maccrackenae in San Bernardino and Riverside counties, California (Diptera : Culicidae)
Vol 28, Page 104
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Additional collections of mosquitoes from wood rats' nests (Diptera : Culicidae)
Vol 28, Page 105
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A new Agonum from Oregon (Coleoptera : Carabidae)
Vol 28, Page 107
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The false spider mite genus Pseudoleptus Bruyant (Acarina: Phytoptipalpidae)
Vol 28, Page 112
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The aloe Aphid, Aloephagus myersi Essig (Homoptera)
Vol 28, Page 117
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Notes on Neotropical Aradidae with description of one new species (Hemiptera)
Vol 28, Page 119
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Neotropical Scolytoidea V
Vol 28, Page 122
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New Bombyliid flies reared from Anthophorid bees (Diptera: Brachycera)
Vol 28, Page 126
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Notes on some effects of parasitism upon a small population of Diadasia bituberculata (Cresson) (Hymenoptera: Anthophoridae)
Vol 28, Page 131
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Description of a new species of Aegus from the Solomon Islands, with remarks on other stagbeetles (Coleoptera: Lucanidae)
Vol 28, Page 136
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Notes on Coccinellids in the Pacific northwest (Coleoptera)
Vol 28, Page 139
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A review of the genus Stomatothrops Hood (Thysanoptera: Aeolothripidae)
Vol 28, Page 154
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Notes on Telegeusis and some relatives (Coleoptera, Lymexylidae)
Vol 28, Page 163
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Description of a new Arizona Thaumaglossa (Coleoptera: Dermestidae)
Vol 28, Page 171
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On the identity of Adlerzia Forel (Hymenoptera: Formicidae)
Vol 28, Page 173
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Notes on nesting and hibernation of Polistes (Hymenoptera : Vespidae)
Vol 28, Page 177
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A new synonym in Xenorhipis (Coleoptera : Buprestidae)
Vol 28, Page 188
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Miscellaneous notes on the taxonomy of some Aphid species (Aphididae)
Vol 28, Page 191
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A new tropical Hebrid (Hemiptera)
Vol 28, Page 194
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Notes and a new species in Cybaeina
Vol 28, Page 195
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Notes on flight and food plants of Pleocoma (Coleoptera: Scarabaeidae)
Vol 28, Page 202
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Biology and metamorphosis of some Solomon Islands Diptera. Part II: Solva bergi James (Erinnidae), with a comparison of related species
Vol 28, Page 203
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A new genus and species of Aphidae on Scotch broom in Oregon (Homoptera)
Vol 28, Page 215