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Three new olpiid pseudoscorpions from California (Pseudoscorpionida, Olpiidae)
Vol 56, Iss 3, Page 161
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Nomenclatorial notes on North American Cynipidae (Hymenoptera)
Vol 56, Iss 3, Page 170
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A new species of Acmaeodera (Coleoptera: Buprestidae)
Vol 56, Iss 3, Page 175
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Emergence, maturation and parasites on two ash bark beetles, Leperisinus oregonus Blackman and L. californicus Swaine (Coleoptera: Scolytidae)
Vol 56, Iss 3, Page 181
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A new species of Mystacagenia from Panama (Hymenoptera, Pompilidae)
Vol 56, Iss 3, Page 185
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Observations on the nesting behavior of three species of Plenoculus Fox (Hymenoptera: Sphecidae)
Vol 56, Iss 3, Page 187
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Obituary. Horace Morton Armitage, 1890-1980
Vol 56, Iss 3, Page 197
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Observations on the nesting biology of Melissodes persimilis Ckll. (Hymenoptera: Anthophoridae)
Vol 56, Iss 3, Page 200
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Embryonic diapause in Tipula simplex and the action of photoperiod in it's termination (Diptera: Tipulidae)
Vol 56, Iss 3, Page 207
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Stenolechia bathrodyas Meyrick, a recently introduced pest of ornamental conifers in southern coastal California (Lepidoptera: Gelechiidae)
Vol 56, Iss 3, Page 213
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Yama tahitiensis n. gen., n. sp. from Tahiti (Diptera: Chironomidae)
Vol 56, Iss 3, Page 221