| tree hole culicoides (diptera: ceratopogonidae) of the central plains in the united states. | three-hundred eleven tree holes were sampled for culicoides at 27 localities in colorado, kansas, nebraska, oklahoma and south dakota. of the 311 samples taken, 170 produced specimens, and 2,899 culicoides were collected including 12 species. the 5 most common species (number collected) were c. guttipennis (1,468), c. arboricola (355), c. paraensis (292), c. elemae (186) and c. footei (159). other species collected were c. villosipennis, c. nanus, c. hinmani, c. oklahomensis, c. snowi, c. lahill ... | 1991 | 1787409 |
| trajectory analysis of winds and vesicular stomatitis in north america, 1982-5. | outbreaks of vesicular stomatitis, serotype new jersey, during epidemics in the united states and northern mexico, 1982-5, were examined by backward trajectories of winds to investigate spread and possible sources. the outbreaks selected for analysis did not involve introduction of disease by infected animals. the findings indicate that wind could have been responsible for carrying infection from northern mexico to arizona and new mexico and thence to colorado and utah and on to wyoming, idaho a ... | 1990 | 2157606 |