Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 3 of 3 for “"Melanoplus bivittatus"”.
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A Study of the Sculpture of the Chorion of the Eggs of Eighteen South Dakota Grasshoppers (Acridiidae)
… in South Dakota are those belonging to the genus Melanoplus. Of those, the common and harmful species are Melanoplus bivittatus (Say) and Melanoplus differentialis (Thomas). Other species that are of considerable economic importance, and, at times, fully as important as the two species mentioned, …
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Interactions between Bromus tectorum, grasshoppers, and native plants in sagebrush steppe communities
… projects and the native generalist grasshopper Melanoplus bivittatus in laboratory trials and greenhouse experiments, I tested how grasshopper herbivory affects native plants in comparison to B. tectorum. Grasshoppers significantly increased mortality rates for most native plants but had minimal …
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Economic injury levels and feeding studies for the potato flea beetle, Epitrix cucumeris (Harris), in Manitoba
… A preliminary examination of feeding by Melanoplus bivittatus (Say) and Melanoplus sanguinipes (Fabricius) on potato plants showed no significant yield response to occur at varying densities of these species.