Browsing Entomology Masters Theses by Title
Now showing items 17-20 of 20
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Pest Management of Wheat Stem Sawfly, Cephus Cinctus Norton (Hymenoptera: Cephidae), in Western North Dakota
(North Dakota State University, 2012)The wheat stem sawfly, Cephus cinctus Norton, is regarded as a major pest of dryland wheat in the Upper Great Plains. For peak emergence of wheat stem sawfly, the most accurate base was 0 C using air temperature, and then ... -
Spatiotemporal Dynamics of Butterflies and Their Floral Resources
(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, ... -
Thermal Biology, Overwintering, and a Degree-Day Model for the Adult Emergence of the Red Sunflower Seed Weevil (Coleoptera: Curculionidae)
(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. ... -
The Tingidae (Hemiptera: Heteroptera) of Southern Central America (with an Emphasis on Costa Rica)
(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 ...