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The ecology of Symphyla
Vol 25, Iss 1, Page 1, Date 1949
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Observations on the life history of Chlorosea banksaria Sperry (Lepidoptera: Geometridae)
Vol 25, Page 24, Date 1949
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Studies in the Cantharidae III (Coleoptera)
Vol 25, Page 29, Date 1949
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Notes on the group of Andrena carlini Cookorell, with description of a new species from California (Hymenoptera: Apoidea)
Vol 25, Page 33, Date 1940
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New species of North American Coleoptera
Vol 25, Iss 2, Page 49, Date 1949-04
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The genus Oxyna in the Nearctic region north of Mexico (Diptera: Tephritidae)
Vol 25, Page 71, Date 1949
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The genus Erythmelus in California (Hymenoptera, Mymaridae)
Vol 25, Page 77, Date 1949
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Notes on a little known work by Ph. F. Gmelin published in 1758 wherein he describes some new species of Aphis
Vol 25, Page 83, Date 1949
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A method for collecting male Stylops (Coleoptera, Stylopidae)
Vol 25, Page 89, Date 1949
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Notes on North American Polistes with descriptions of new species and subspecies (Hymenoptera, Vespidae)
Vol 25, Page 97, Date 1940
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The genus Orothrips Moulton (Thysanoptera: Orothripini)
Vol 25, Page 104, Date 1949
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Studies on the Coleoptera of the Pacific northwest.1
Vol 25, Page 113, Date 1949
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Descriptions of some Western Limnephilidae (Trichoptera)
Vol 25, Page 119, Date 1949
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A new species of Stenelmis from Nevada (Coleoptera, Elmidae)
Vol 25, Page 133, Date 1949
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The identity of Hemitrioza washingtonia Klyver and Aphalara punctellus Van Duzee (Homoptera: Psyllidae)
Vol 25, Page 145, Date 1949
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Subspecific names for two common Pacific Coast Andrena (Hymenoptera: Andrenidae)
Vol 25, Page 147, Date 1949
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A new Aphid on lettuce (Homoptera)
Vol 25, Page 151, Date 1949
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A new species of Stizocera from Florida (Coleoptera: Cerambycidae)
Vol 25, Page 153, Date 1949
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A synopsis of North American Anaphoidea (Hymenoptera: Mymaridae)
Vol 25, Page 155, Date 1949
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Sepsidae from the Australasian region (Diptera)
Vol 25, Page 161, Date 1949
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The ants of Bikini Atoll, Marshall Islands (Hymenoptera)
Vol 25, Page 172, Date 1949
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Oviposition and hatching of Pselliopus spinicollis Champion (Heteroptera: Reduviidae)
Vol 25, Page 190, Date 1949