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Articles 1 - 6 of 6
Full-Text Articles in Entomology
New Records Of Carrion Beetles In Nebraska Reveal Increased Presence Of The American Burying Beetle, Nicrophorus Americanus Olivier (Coleoptera: Silphidae), Jessica Jurzenski, Daniel G. Snethen, Mathew L. Brust, W. Wyatt Hoback
New Records Of Carrion Beetles In Nebraska Reveal Increased Presence Of The American Burying Beetle, Nicrophorus Americanus Olivier (Coleoptera: Silphidae), Jessica Jurzenski, Daniel G. Snethen, Mathew L. Brust, W. Wyatt Hoback
Great Plains Research: A Journal of Natural and Social Sciences
Surveys for the American burying beetle, Nicrophorus americanus Olivier (Silphidae), between 2001 and 2010 in Nebraska resulted in 11 new county records for this endangered species and 465 new county records for 14 other silphid species. A total of 5,212 American burying beetles were captured in more than 1,500 different locations. Using mark-recapture data, we estimated the population size of the American burying beetle (ABB) for six counties in the Sandhills. Blaine County (2003) had the largest population, with an estimated 56 ABBs per km2 (1,338 ± 272 ABBs). The remaining estimates were between 2 and 36 ABBs per …
The Complexities Of Wolf Spider Communication: Exploring Courtship Signal Function In Rabidosa Rabida, Dustin J. Wilgers
The Complexities Of Wolf Spider Communication: Exploring Courtship Signal Function In Rabidosa Rabida, Dustin J. Wilgers
School of Biological Sciences: Dissertations, Theses, and Student Research
Evidence of signal complexity is seemingly pervasive across animal communication systems. Exploring signal function may provide insight into how these displays evolved and are maintained. This dissertation examines the courtship signal function in a grassland wolf spider. Rabidosa rabida lives in an extremely complex environment, and males use complex displays incorporating both visual and seismic modalities. Using several approaches I provide insight into the content and efficacy of the various signal components, as well as how variation in these displays influence female mating decisions in isolation and combined.
First, I manipulated male and female body condition using diet quantity manipulations …
Heartworm In Canines: Trends In Rhode Island Shelter Populations, Kelsey L. Mckenna
Heartworm In Canines: Trends In Rhode Island Shelter Populations, Kelsey L. Mckenna
Senior Honors Projects
Heartworm in Canines
Kelsey McKenna
Faculty Sponsor: Darlene Jones, DVM, Animal Science
Each year thousands of dogs in the United States become infected with heartworm, which is caused by Dirofilaria immitis. D. immitis is a parasite that is transmitted to dogs via a bite by an infected mosquito. Nine of the seventy competent mosquito species reside in Rhode Island. The true incidence of D. immitis is unknown. Current incidence maps are derived from data generated at veterinary clinics and do not include shelter dogs. The objective of this study is twofold: to determine the prevalence of D. immitis in …
Isolation By Distance Explains Genetic Structure Of Buggy Creek Virus, A Bird-Associated Arbovirus, Abinash Padhi, Amy T. Moore, Mary Bomberger Brown, Jerome E. Foster, Martin Pfeffer, Charles R. Brown
Isolation By Distance Explains Genetic Structure Of Buggy Creek Virus, A Bird-Associated Arbovirus, Abinash Padhi, Amy T. Moore, Mary Bomberger Brown, Jerome E. Foster, Martin Pfeffer, Charles R. Brown
School of Natural Resources: Faculty Publications
Many of the arthropod-borne viruses (arboviruses) show extensive genetic variability and are widely distributed over large geographic areas. Understanding how virus genetic structure varies in space may yield insight into how these pathogens are adapted to and dispersed by different hosts or vectors, the relative importance of mutation, drift, or selection in generating genetic variability, and where and when epidemics or epizootics are most likely to occur. However, because most arboviruses tend to be sampled opportunistically and often cannot be isolated in large numbers at a given locale, surprisingly little is known about their spatial genetic structure on the local …
Biology Department Newsletter, No.1, Sacred Heart University
Biology Department Newsletter, No.1, Sacred Heart University
Biology Newsletter
No abstract provided.
Male Field Crickets Infested By Parasitoid Flies Express Phenotypes That May Benefit The Parasitoids, Oliver M. Beckers, William E. Wagner
Male Field Crickets Infested By Parasitoid Flies Express Phenotypes That May Benefit The Parasitoids, Oliver M. Beckers, William E. Wagner
School of Biological Sciences: Faculty Publications
Parasites can cause changes in the phenotypes of their hosts that may benefit the parasite, the host, or both. To understand the evolutionary dynamics of host–parasite interactions it is necessary to first examine the effect of parasitic infestation on the host phenotype and whether the host or parasite benefits from these changes. The fly Ormia ochracea parasitizes the variable field cricket, Gryllus lineaticeps, and it uses male song to locate hosts for its lethal larvae. Adult flies preferentially orient to male songs with faster and longer chirps. We tested the effect of larval infestation on two types of host traits. …