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Biology and ecology of several species of California rangeland grasshoppers (Orthoptera: Acrididae)
Vol 34, Page 1
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Four new Scleroracus from the western United States (Homoptera: Cicadellidae)
Vol 34, Page 13
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Mites found on mice of the genus Peromyscus in Utah. IV. Families Laelaptidae and Phyto-seiidae. (Acarina)
Vol 34, Page 17
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Recent collections of Mallophaga and Anoplura from southern California
Vol 34, Page 35
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Biological notes on the burrow and prey of Anoplius ventralis tarsatus (Banks) (Hymenoptera: Pompilidae)
Vol 34, Page 53
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A new species of Copidosoma closely related to C. nanellae Silvestri (Hymenoptera Encyrtidae)
Vol 34, Page 57
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Descriptions of new Neotropical Tabanidae mostly in the California Academy of Sciences (Diptera)
Vol 34, Page 63
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New California Plecoptera
Vol 34, Page 77
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Cryptognathus sternalis, a new species of prostigmatid mite from Oregon
Vol 34, Page 81
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Some parasites and predators of fruit pests in the Pacific northwest
Vol 34, Page 87
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New Western Trichoptera
Vol 34, Page 93
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A new species of Stethorus Weise from Guatemala now being released in California (Coleoptera: Coccinellidae)
Vol 34, Page 98
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Synonymy in the Oriental species of the subgenus Microscolia Betrem (Hymenoptera: Scoliidae)
Vol 34, Page 101
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A new genus of Tychini from California (Coleoptera: Pselaphidae)
Vol 34, Page 125
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A new genus of Brachycistidine wasps (Hymenoptera: Tiphiidae)
Vol 34, Page 139
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A new species of the genus Colletes from the Colorado Desert of California (Hymenoptera: Apoidea)
Vol 34, Page 143
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Observations on the nesting habits of Colletes stepheni Timberlake (Hymenoptera: Apoidea)
Vol 34, Page 147
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The louse populations on some deer mice from western Oregon
Vol 34, Page 155
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A new species of Idiogramma Foerster with notes on two other species (Hymenoptera: Ichneumonidae)
Vol 34, Page 159
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A new Asterolecaniid scale on succulents from Mexico (Homoptera; Coccoidea; Asterolecaniidae)
Vol 34, Page 169
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Exact data for certain locality labels used by F. E. Blaisdell
Vol 34, Page 172
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Evidence for hurricane transport and dispersal of aquatic Hemiptera
Vol 34, Page 174
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Prey of robber flies of the genus Stenopogon (Diptera: Asilidae)
Vol 34, Page 176
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Arthropod enemies of the lodgepole needle miner, Recurvaria milleri Busck (Lepidoptera: Gelechiidae)
Vol 34, Page 181
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A study of the North American genus Megarafonus Casey (Coleoptera: Pselaphidae)
Vol 34, Page 187
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Notes on the genus Gaesischia Michener, LaBerge and Moure, with descriptions of a new species and subgenus from Mexico (Hymenoptera: Apoidea)
Vol 34, Page 195
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A new genus of the Gerridae from the Solomon Islands
Vol 34, Page 203
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Four new Sphecid wasps from western North America (Hymenoptera: Sphecidae, Larrinae)
Vol 34, Page 207
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Phoretic Scelionids on grasshoppers of the genus Melanoplus (Hymenoptera: Scelionidae)
Vol 34, Page 213
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A record of Agabus semivittatus LeConte from California (Coleoptera: Dytiscidae)
Vol 34, Page 215
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A stridulatory mechanism in Arhaphe cicindeloides Walker (Hemiptera: Heteroptera: Pyrrhocoridae)
Vol 34, Page 217
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Braconid wasps reared from Lepidopterous larvae in Arizona, 1957
Vol 34, Page 221
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The parasites of the clover seed Chalcid in the United States (Hymenoptera: Chalcidoidea)
Vol 34, Page 223
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Synonomy of Dinoderus pubicollis Van Dyke (Coleoptera: Bostrichidae)
Vol 34, Page 230