| A synopsis of common and economic Illinois ants, with keys to the genera (Hymenoptera, Formicidae). |
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1971-07-01 |
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| A study of Marlatt's group I of the genus Pontania with descriptions of four new species (Hymenoptera: Tenthredinidae). |
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1929-07-01 |
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| The description and life history of a new sawfly, Sterictiphora apios (Argidae: Hyemn.). |
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1933-07-01 |
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| Four new species of Dolerus (Hymen.: Tenthredinidae). |
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1935-07-01 |
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| The Nearctic species of Pikonema, a genus of spruce sawflies (Hymenoptera: Tenthredinidae). |
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1938-07-01 |
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| The Nearctic sawflies of the genus Aglaostigma. (Hymenoptera.). |
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1943-07-01 |
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| A taxonomic outline of the Nearctic species of Pachynematus (Tenthredinidae, Hymenoptera). |
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1945-07-01 |
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| New Eastern Species and a Newly Reported Introduction of Typhlocyha (Homoptera: Cicadellidae). |
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1949-02-01 |
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| New Species of Erythroneura of the Maculata Group (Homoptera: Cicadellidae). |
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1950-02-01 |
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| Synoptic notes on some Nearctic limnephilid caddisflies (Trichoptera, Limnephilidae). |
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1950-11-01 |
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| Notes on the sawfly subfamily Tenthredininae, with descriptions of new forms. |
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1931-07-01 |
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| Two new species of Neodiprion from southeastern North America (Hymenoptera: Diprionidae). |
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1961-07-01 |
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| Two new forms of the genus Zaschisonyx Ashmead (Tenthredinidae: Hymenoptera). |
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1929-07-01 |
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| Sawflies of the subfamily Dolerinae of America north of Mexico. |
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1931-07-01 |
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| The subfamily Lycaotinae in North America (Hymenoptera, Tenthredinidae). |
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1932-07-01 |
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| The Nearactic sawflies of the dineura complex (Hymen.: Tenthredinidae). |
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1935-07-01 |
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| The sawfly genus Empria in North America (Hymenoptera, Tenthredinidae). |
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1936-07-01 |
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| A generic classification of the Nearctic sawflies (Hymenoptera, Symphyta). |
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1937-07-01 |
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| Suborder Symphyta (= chaalstogastra) [except the Siricoidea, the Pamphiliidae, and the genus Periclista]. |
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1951-04-01 |
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| The taxonomy and evolution of the sawfly genus Neodiprion. |
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1955-07-01 |
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| The genera Selandria and Coryna in America north of Mexico (Tenthredinidae, Hymenoptera). |
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1930-07-01 |
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| The hymenopterous family Xyelidae in North America. |
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1932-07-01 |
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| Records of additional European sawflies in America and descriptions of new varieties of North American species. |
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1932-07-01 |
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| A new pecan sawfly, Megaxyela langstoni n. sp. (Hymenoptera: Xyelidae). |
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1936-07-01 |
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| The Nearctic sawflies of the genus Fenusa (Hymenoptera, Tenthredinidae). |
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1936-07-01 |
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| The North American sawflies of the genus Hoplocampa (Hymenoptera: Tenthredinidae). |
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1943-07-01 |
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| A new tribe and genus of nematine sawfly (Hymenoptera, Tenthredinidae). |
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1945-07-01 |
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| Metapedias silvai, a new sawfly from Brazil (Hymenoptera, Tenthredinidae). |
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1946-07-01 |
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| New species of North American Deltocephaline leafhoppers. |
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1972-12-01 |
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| A review of the North American leafhopper genus Laevicephalus (Hemiptera: Cicadellidae). |
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1972-12-01 |
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| Biological and Taxonomic Notes on Erythroenura (Homoptera: Cicadellidae). |
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1953-02-01 |
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| New synonomy and descriptions of Nearctic species of the genera Auridius and Hebecephalus. |
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1972-06-01 |
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| A new species of Dikraneura from witch-hazel (Homoptera-Cicadellidae). |
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1950-04-01 |
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| New Nearctic species of the genus Pristiphora Latreille (Hymenoptera: Tenthredinidae). |
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1960-08-01 |
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