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Abstract

Environmental factors profoundly affect vectorial capacity, governing dynamics and intensity of vector-vertebrate contact in time and space (e.g. seasonal vector population densities, biting rates, and feeding frequencies). Temperature influences vector developmental rates and life history...

Author(s)
Mullens, B. A.; Gerry, A. C.; Lysyk, T. J.; Schmidtmann, E. T.
Publisher
Istituto Zooprofilattico Sperimentale dell'Abruzzo e del Molise 'G. Caporale', Teramo, Italy
Citation
Veterinaria Italiana, 2004, 40, 3, pp 160-166
Abstract

The presence or absence of the biting midge Culicoides sonorensis Wirth & Jones (Diptera: Ceratopogonidae), a primary vector of bluetongue viruses (genus Orbivirus, family Reoviridae, BTV) in North America, was assessed on ranches and farms across the Northern Great Plains region of the United...

Author(s)
Schmidtmann, E. T.; Herrero, M. V.; Green, A. L.; Dargatz, D. A.; Rodriquez, J. M.; Walton, T. E.
Publisher
Entomological Society of America, Lanham, USA
Citation
Journal of Medical Entomology, 2011, 48, 3, pp 634-643
Abstract

Historical surveillance for bluetongue virus (BTV) exposure in the United States of America (USA) has relied on periodical serological surveillance using samples collected from cattle at slaughter. Most of this surveillance has been focused on the north-eastern portion of the USA due to the lack of ...

Author(s)
Dargatz, D.; Akin, K.; Green, A.; Herrero, M.; Holland, S.; Kane, A.; Knowles, D.; McElwain, T.; Moser, K. M.; Ostlund, E. N.; Parker, M.; Schmidtmann, E. T.; Seitzinger, A.; Schuler, L.; Stevens, G.; Tesar, L.; White, L.; Williams, L.; Wineland, N.; Walton, T. E.
Publisher
Istituto Zooprofilattico Sperimentale dell'Abruzzo e del Molise 'G. Caporale', Teramo, Italy
Citation
Veterinaria Italiana, 2004, 40, 3, pp 182-183
Abstract

Differences in midgut microbial communities inhabiting Culicoides spp., insect vectors of virus pathogens, may affect the variation observed in the ability of these biting midges to propagate arthropod-borne viruses. As a first step toward addressing this hypothesis, midgut bacterial communities...

Author(s)
Campbell, C. L.; Mummey, D. L.; Schmidtmann, E. T.; Wilson, W. C.
Publisher
Entomological Society of America, Lanham, USA
Citation
Journal of Medical Entomology, 2004, 41, 3, pp 340-348
Abstract

Aquatic habitats with immature populations of the C. variipennis complex were sampled across USA and tested for soil chemistry parameters. Indicators of organic loading, phosphate, percentage of organic matter, and nitrate were high for C. variipennis and C. sonorensis, reflecting the common...

Author(s)
Schmidtmann, E. T.; Bobian, R. J.; Belden, R. P.
Publisher
Entomological Society of America, Lanham, USA
Citation
Journal of Medical Entomology, 2000, 37, 1, pp 58-64
Abstract

We report sympatry among larval populations of the Culicoides variipennis complex in widespread and diverse aquatic habitats throughout the United States. Six sites in California, Nevada, New Mexico, and Texas were co-inhabited by C. variipennis occidentalis and C. variipennis sonorensis, whereas 8 ...

Author(s)
Holbrook, F. R.; Tabachnick, W. J.; Schmidtmann, E. T.; McKinnon, C. N.; Bobian, R. J.; Grogan, W. L.
Publisher
Entomological Society of America, Lanham, USA
Citation
Journal of Medical Entomology, 2000, 37, 1, pp 65-76

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