• Integrated Pest Management of Soybean Aphid (Aphis glycines) in North Dakota 

  Hochhalter, Julie (North Dakota State University, 2010)

  The soybean aphid, Aphis glycines Matsumura (Hemiptera: Aphididae), is a major pest of soybean (Glycine max L.). This aphid is a native of Asia and was first discovered in the United States in Wisconsin in July 2000, and ...

• Effects of Soybean Aphid Resistance on the Lady Beetle Harmonia axyridis Mediated by the Soybean Aphid Aphis glycines 

  Thurn, Anne Christine (North Dakota State University, 2010)

  Plants can directly and indirectly influence the natural enemies of their herbivores. Such trophic level effects apply to plants in natural and agronomic settings as well as to plants bred for pest resistance and biological ...

• Impact of Ragl Aphid Resistant Soybeans on Binodoxys communis (Gahan) (Hymenoptera: Braconidae), a Parasitoid of Soybean Aphid Aphis glycines Matsumura (Hemiptera: Aphididae ) 

  Ghising, Kiran (North Dakota State University, 2011)

  After its discovery in North America during the summer of 2000, the soybean aphid, Aphis glycines Matsumura (Hemiptera: Aphididae) became a major pest of the soybean, Glycine max (L.) Merr., in most soybean growing regions ...

• Thermal Biology, Overwintering, and a Degree-Day Model for the Adult Emergence of the Red Sunflower Seed Weevil (Coleoptera: Curculionidae) 

  Pantzke, Shawna (North Dakota State University, 2022)

  Red sunflower seed weevil, Smicronyx fulvus LeConte, is a univoltine seed-feeding weevil that is a primary pest of cultivated sunflower, Helianthus annuus, in North America, especially within the upper Great Plains region. ...

• A Phylogenetic Analysis and Revision of the Teleonemia Costa Generic Complex (Hemiptera: Heteroptera: Tingidae) 

  Knudson, Alexander (North Dakota State University, 2022)

  The Teleonemia Costa generic complex includes the genera Alveotingis Osborn & Drake, Eurypharsa Stål, Hesperotingis Parshley, Melanorhopala Stål, Teleonemia, and two undescribed genera. A phylogenetic analysis and revision ...

• Investigating the Subspecific Designation of Euschistus servus (Say) (Hemiptera: Heteroptera: Pentatomidae) Using a Combined Landmark-Based Geometric Morphometrics Approach 

  Oliveras, Vincent Aron (North Dakota State University, 2021)

  Euschistus servus is currently subdivided into two subspecies: E. s. servus and E. s. euschistoides. An intergrade population inhabits the central U.S. This study sought to reevaluate the established subspecific designations ...

• Impacts of Microbial Seed Inoculants on Growth of Field Pea (Pisum sativum L.), and Implications for Plant-insect Interactions 

  Glogoza, Benjamin Patrick (North Dakota State University, 2021)

  Soil microbes that associate with plant roots can benefit plants by increasing the supply or availability of nutrients to increase the plant’s resilience to abiotic and biotic stress, crop germination rates, root and shoot ...

• Spatiotemporal Dynamics of Butterflies and Their Floral Resources 

  Antonsen, Adrienne Kendra (North Dakota State University, 2020)

  Butterflies fulfill a unique role among insect pollinators as long-distance flyers. This makes butterflies particularly valuable as vectors of genetic diversity among spatially isolated plant populations. Like many insects, ...

• Influence of Neonicotinoid Seed Treatment on Two Co-Occuring Arthropod Pests, Two-Spotted Spider Mite (Tetranychus urticae) and Western Flower Thrips (Frankliniella occidentalis) 

  Brenner, Robert J (North Dakota State University, 2019)

  Insecticidal neonicotinoid seed treatments in agriculture is a common insect pest management strategy. Seed treatments have systemic and residual toxicity, which are effective against target insect pests. However, effects ...

• Geographic Distribution and Effects of Transgenic Corn Hybrids and Chemical Insecticides on Northern and Western Corn Rootworms (Coleoptera: Chrysomelidae) in North Dakota 

  Calles Torrez, Veronica (North Dakota State University, 2018)

  Northern (Diabrotica barberi Smith & Lawrence) and western (D. virgifera virgifera LeConte) corn rootworms are major corn (Zea mays L.) pests in North America. Integrated pest management (IPM) strategies used for corn ...

• The Tingidae (Hemiptera: Heteroptera) of Southern Central America (with an Emphasis on Costa Rica) 

  Knudson, Alexander (North Dakota State University, 2018)

  The genera of Tingidae of the neotropics are herein diagnosed and a key for their identification is also provided. Five new genera are described from Central America, two from Panama, two from Costa Rica, and one new genus ...

• Collection and Analysis of Volatiles of Various Cultivated Sunflower, Helianthus Annuus, (Asteraceae) Germplasm and Investigation of Some Aspects of Host Selection in Adult Red Sunflower Seed Weevil, Smicronyx Fulvus L., (Coleoptera Curculionidae) 

  Lokumana, Charithra Rathnamali (North Dakota State University, 2017)

  Plants of sunflower germplasm putatively resistant or susceptible to the red sunflower seed weevil, Smicronyx fulvus (Coleoptera: Curculionidae) were used to test the hypothesis that the volatile composition of these two ...

• The Effects of Salinity on Herbivorous Pests of Corn and Soybean 

  Eichele, Jaclyn Lee (North Dakota State University, 2016)

  Many environmental factors, including soil characteristics, are critically important for plants, herbivorous arthropods, and their interactions. Despite increasing evidence that soil salinity can drastically impact plants, ...

• Aphid Interactions with Environmental Variation in the Field and Lab 

  McLean, Erin Leigh (North Dakota State University, 2015)

  A basic tenet of ecology is that organisms are affected by both abiotic factors and other organisms; therefore, there is value in understanding interactions in our changing world. Aphids are model organisms for questions ...

• The Effects of Abiotic Climate Change Factors on Aphid Life History and Populations 

  Alfonso, Joseph Vincent (North Dakota State University, 2015)

  While the effects of many abiotic factors associated with climate change have not been extensively studied, work on model organisms is beginning to help predict effects on similar species. Research on climate change has ...

• Exploring Effects of Weed Management in Agroecosystems: Arthropods, Soil Properties and Soybean Production 

  Hansen, Ashton Anne (North Dakota State University, 2014)

  Soil-dwelling arthropods contribute to agroecosystems, but it’s unclear how specific taxa respond to weed management practices. Objectives were to explore 1) response of Collembola to weed management in a glyphosate-tolerant ...

• Effects of Temperature on Pea Aphids, their Host Plants, and their Parasitoids 

  Valls, Aleix (North Dakota State University, 2018)

  Temperature has the potential to alter every aspect of an organism’s biology. This is especially true when we focus on small ectotherms such as insects. Understanding the effects of temperature on insects is particularly ...

• A Faunal Survey of Coleoptera, Hemiptera (Heteroptera), and Lepidoptera Associated with Fraxinus Pennsylvanica Marshall (Oleaceae) in the Red River Valley of Eastern North Dakota 

  Walker, James Samuel (North Dakota State University, 2014)

  The emerald ash borer (Agrilus planipennis; EAB) is an invasive wood-boring beetle causing mortality of ash trees in North America. This project was initiated because of the threat of EAB moving into North Dakota. The main ...

• The Wheat-Hessian Fly Interaction: Co-Evolution and Ecology in an Economically Important Plant-Insect System 

  Anderson, Kirk Mitchel (North Dakota State University, 2013)

  The study of wheat’s H-gene mediated resistance to Hessian flies examined the cost of the constitutively expressed H-gene which functions in the plant’s surveillance system and the cost of the downstream induced response. ...

• Effect of Larval Diet on Endogenous Carbon Reproductive Resources of Fifth Instars and Adult Females of the Moth, Heliothis Virescens 

  Suman, Smita Dutta (North Dakota State University, 2013)

  Mostly adult Lepidoptera feed on plant nectar. That is, adults can only contribute to carbon, and not nitrogen, acquisition. The moth Heliothis virescens were used to explore the hypothesis that larval nutrition influences ...

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