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Observations on the habits and prey of Eucerceris ruficeps Scullen (Hymenoptera, Sphecidae)
Vol 30, Page 11
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New species and notes on California mayflies. II (Ephemeroptera)
Vol 30, Page 15
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New species of California mayflies in the genus Baetis (Ephemeroptera)
Vol 30, Page 29
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A new north-western Melandryid (Coleoptera: Melandryidae)
Vol 30, Page 35
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Descriptions and records of North American Hoplitis and Anthocopa (Hymenoptera, Megachilidae)
Vol 30, Page 37
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New North American Tabanidae (Diptera). Part IV. Zophina new genus for Apatolestes eiseni Townsend from Lower California
Vol 30, Page 53
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Miro-lepisma deserticola Silvestri, a Myrme-cophile from California (Thysanura: Lepismatidae)
Vol 30, Page 56
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A new intertidal fly from California, with notes on the genus Nocticanace Malloch (Diptera: Canaceidae)
Vol 30, Page 59
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Observations on the pupae of bees (Hymenoptera: Apoidea)
Vol 30, Page 63
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A new species of dobsonfly from California (Megaloptera: Corydalidae)
Vol 30, Page 70
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A redescribed species and a new genus and species of the family Lepismatidae in California (Thysanura)
Vol 30, Page 72
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Swarming of ants on western United States mountain summits
Vol 30, Page 93
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The mile of Tastiotenia festiva (Hymenoptera, Pompilidae)
Vol 30, Page 103
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Four new species of dobsonflies from California (Megaloptera: Corydalidae)
Vol 30, Page 105
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New species of Nerthra from California (Hemiptera: Gelastocoridae)
Vol 30, Page 113
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A new Hippo-melas from California (Coleoptera: Buprestidae)
Vol 30, Page 117
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A new species of Androlaelaps from Perognathus in Southern California (Acarina: Laelaptidae)
Vol 30, Page 119
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New genera and species of Elmidae (Coleoptera) from California
Vol 30, Page 125
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On some Malthodes (Coleoptera: Cantharidae)
Vol 30, Page 131
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Two new species of Nomada, subgenus Gnathias, from California (Hymenoptera: Apoidea)
Vol 30, Page 133
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A new species of Glutops and other new records of California Tabanoidea (Diptera)
Vol 30, Page 137
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The taxonomic status of Oligotylus Van Duzee and Leptotylus Van Duzee, with the description of a new species of Psallus
Vol 30, Page 143
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Two new species of Pselliopus and some distributional notes (Hemiptera, Reduviidae)
Vol 30, Page 153
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The absence of negative phototropism in the Mexican chicken bug, Haematosiphon inodorus (Duges) (Hemiptera: Cimicidae)
Vol 30, Page 159
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A new species of Zodiom from California (Diptera: Conopidae)
Vol 30, Page 165
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New stoneflies from California and Oregon (Plecoptera)
Vol 30, Page 167
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New species of Tetranychid mites
Vol 30, Page 181
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New species of Lepidostoma (Trichoptera: Lepidostomatidae)
Vol 30, Page 187
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Notes on Endeodex Leconte with a description of a new species from Baja California (Coleoptera: Malachiidae)
Vol 30, Page 195
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Apolytypic interpretation of the California carpenter bee Xylocopa californica with the description of a new subspecies and notes on a possible polytopic form (Hymenoptera: Apoidea)
Vol 30, Page 199
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Morphological description of the larva of Oreopasites vanduzeei Cockerell (Hymenoptera: Anthophoridae)
Vol 30, Page 203
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A review of the genus Rhipidothrips Uzel (Thysanoptera: Aeolothripidae)
Vol 30, Page 209
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New records and species of millipeds from the western United States and Canada
Vol 30, Page 221
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The dorsal hairless setal ring of mosquito pupae (Diptera: Culicidae)
Vol 30, Page 227
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Classification of the Dermestid genus Dearthus with description of a new western species (Coleoptera)
Vol 30, Page 231
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The wasps of the genus Pisonopsis Fox (Hymenoptera: Sphecidae)
Vol 30, Page 235
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The Diptera collected on the Cockerell and Hubbell expeditions to Honduras. Part III: Tylidae, with a new species from Mexico
Vol 30, Page 247
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A new Perisierola from California (Hymenoptera: Bethylidae)
Vol 30, Page 259
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A note on the nesting habits of Exomalopsis solani Cockerell (Hymenoptera, Anthophoridae)
Vol 30, Page 263