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A new genus of chalcid wasp belonging to the family Eulophidae
Vol 21, Page 2, Date 1919
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Descriptions of three parasites of Agrilus angelicus (Hym.)
Vol 21, Page 4, Date 1919
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Contributions to our knowledge of the weevils of the super-family Curculionoidea
Vol 21, Page 21, Date 1919
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A new genus and species of Cerambycidae from Colorado. (Coleo.)
Vol 21, Page 38, Date 1919
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Two Microlepidoptera injurious to strawberry
Vol 21, Page 52, Date 1919
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Avocado seed weevils
Vol 21, Page 53, Date 1919
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A report on collection of Coccidae from Argentina with descriptions of apparently new species (Hom.)
Vol 21, Page 63, Date 1919
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Description of a new genus and new species of Buprestidae from Arizona
Vol 21, Page 91, Date 1919
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An undescribed species of Dryopea injurious to Phyllostachys (Aphididae-Hom.)
Vol 21, Page 104, Date 1919
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Two new genera of Anthomyidae
Vol 21, Page 106, Date 1919
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A new species of Bucculatrix injurious to hollyhock
Vol 21, Page 109, Date 1919
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Notes on the insect fauna of bank swallow's nests in Virginia
Vol 21, Page 110, Date 1919
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New genera and species of Ichneumon flies (Hym.)
Vol 21, Page 112, Date 1919
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A new species of the serphidoid genus Dendrocerus
Vol 21, Page 121, Date 1919
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A new genus in Scatophagidae (Diptera)
Vol 21, Page 126, Date 1919
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The genitalia and terminal abdominal structures of males, and the terminal structures of the larvae of ‘chalastogastrous’ Hymenoptera
Vol 21, Page 129, Date 1919
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Description of a new cynipoid from Trinidad
Vol 21, Page 156, Date 1919
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A new species of Matsucoccus from pines in California
Vol 21, Page 157, Date 1919
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Descriptions of seven new species of Opius (Hymenoptera: Braconidae)
Vol 21, Page 161, Date 1919
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Scaphinotus (Pseudonomaretus) mannii n. sp. (Coleoptera Carabidae)
Vol 21, Page 170, Date 1919
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Notes on some japanese Aphididae
Vol 21, Page 173, Date 1919
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Descriptions of new North American Ptinidae, with notes on an introduced japanese species
Vol 21, Page 181, Date 1919
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The generic status of Zodion palpalis Robertson (Diptera Conopidae), with generic key to the family
Vol 21, Page 204, Date 1919
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Biology of some Coleoptera of the families Colydiidae and Bothrideridae
Vol 22, Page 1, Date 1920
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Descriptions of new genera and species of Scatophagidae (Diptera)
Vol 22, Page 34, Date 1920
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Two new termites from Arizona
Vol 22, Page 38, Date 1920
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A new genus and species of occophorid moths from Japan
Vol 22, Page 43, Date 1920
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New American Cleridae with note on the synonymy of Micropterus Chevr
Vol 22, Page 50, Date 1920
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Descriptions of six new wasps
Vol 22, Page 54, Date 1920
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A proctotrypid inquiline with Formica exsectoides Forel
Vol 22, Page 59, Date 1920
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Some new parasites, with remarks on the genus Platygaster
Vol 22, Page 61, Date 1920
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Viereck's family Labenidae with the description of a new species of Apechoneura (Hym., Ichneumonidae)
Vol 22, Page 76, Date 1920
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A new species of Aleyrodidae found on Azalea (Hom.)
Vol 22, Page 81, Date 1920
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Zoraptera not an aptorous Order
Vol 22, Page 84, Date 1920
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Direct sunlight as a factor in forest insect control
Vol 22, Page 106, Date 1920
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A new tropical weevil from Florida and Cuba
Vol 22, Page 150, Date 1920
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A new genus and several new species of Cerambycidae. (Col.)
Vol 22, Page 153, Date 1920
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New species of neotropical Pyraustinae
Vol 22, Page 172, Date 1920
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A new trigonalid from India
Vol 22, Page 191, Date 1920
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A new scolytid beetle from tropical Florida
Vol 22, Page 222, Date 1920
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New species of Perthalycra and Osmoderma
Vol 22, Page 232, Date 1920
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On the identity of several species of Chalcidoidea (Hymenoptera)
Vol 22, Page 235, Date 1921