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An Improved Biotic Index of Organic Stream Pollution
William L. Hilsenhoff

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First records of three Carpophilinae (Coleoptera: Nitidulidae) in Quebec
Ludovic Leclerc, Pierrick Bloin, Françoise Pelletier, Christian Hébert, and Kishan Sambaraju

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Abundance and diversity of bees visiting flowering pennycress, a new oilseed crop in the midwestern USA
Frank Forcella, Zachary M. Portman, Samantha S. Wells, William Perry, Russ W. Gesch, Yesuf Mohammed, Cody Hoerning, Alex Hard, Tad L. Wesley, and Winthrop B. Phippen

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Differences in the Critical Thermal Maximum Between Two Size Classes of Stenonema femoratum (Ephemeroptera: Heptageniidae)
Jaiden Frantz and David Houghton

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Limoniic acid is a sex attractant pheromone component of Limonius agonus (Coleoptera: Elateridae)
Wim van Herk, Regine Gries, Jocelyn Smith, Ian Scott, and Gerhard Gries

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The Caddisflies (Trichoptera) of Finch Creek, Antrim County, Michigan (USA)
David Houghton and Robert Haack

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The Caddisflies (Trichoptera) of Drummond Island, Michigan, With an Assessment of Lake Assemblage Biomass
David Houghton and Robert Haack

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Observations on Two Stem-Boring Coleoptera of Prickly-Ash (Zanthoxylum americanum) in Michigan: Micracis suturalis (Curculionidae: Scolytinae) and Sternidius alpha (Cerambycidae)
Robert A. Haack

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Synopsis of biological control for European fruit lecanium (Parthenolecanium corni) by parasitoids in North America and preliminary findings in hybrid hazelnut orchards
Simone G. Traband, Hailey N. Shanovich, John C. Luhman, and Brian Aukema

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Characterizing insect communities within thin-soil environments
Katherine McNamara Manning, Kayla I. Perry, and Christie A. Bahlai