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A revision of the dipterous family Clusiodidae (Heteroneuridae)
Vol 20, Page 2
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Description of a new hymenopterous parasite (Braconidae)
Vol 20, Page 18
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Some muscoid synonymy, with one new genus
Vol 20, Page 19
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A new genus of Lepidoptera allied to Leucoptera Hubner
Vol 20, Page 21
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Three new chalcidoid egg-parasites
Vol 20, Page 23
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A new species of Agrilus from Florida (Coleoptera, Buprestidae)
Vol 20, Page 67
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Three new species of Diptera
Vol 20, Page 69
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New sawflies of the subfamily Diprioninae
Vol 20, Page 79
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The genus Cnemedon Egger in North America
Vol 20, Page 127
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A new mosquito (Aedes whitmorei) from Colombia
Vol 20, Page 128
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A synopsis of the species belonging to the chalcidoid genus |Rileya| Ashmead
Vol 20, Page 136
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Notes on and descrip-tions of sawflies belonging to the tenthredinid tribe Homichroini
Vol 20, Page 161
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Some halictine bees in the United States national museum
Vol 20, Page 177
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District of Columbia Diptera; Tabanidae
Vol 20, Page 188
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A new colletid bee from Ecuador
Vol 20, Page 206