tag:blogger.com,1999:blog-9987595824947087812024-08-30T21:58:48.870-07:00dancing dragonhttp://www.blogger.com/profile/01663876095374302735noreply@blogger.comBlogger65125tag:blogger.com,1999:blog-998759582494708781.post-51865035011517850572009-07-01T22:45:00.000-07:002009-07-01T23:05:29.008-07:00

Entomology Report February 2009, San Mateo County Mosquito and Vector Control DistrictChemist Aijun Zhang, of the USDA, along with collaborators from Nanjing Foresty University in China and the US Army Medical Department Center and School, discovered a compound in the South American Tauroniro tree that is as effective as DEET at repelling mosquitoes and ticks.  Tests were performed on two

dancing dragonhttp://www.blogger.com/profile/01663876095374302735noreply@blogger.com0tag:blogger.com,1999:blog-998759582494708781.post-26982798229752476822009-02-10T23:59:00.000-08:002009-02-10T23:59:01.088-08:00

Entomology Report November 2008, San Mateo County Mosquito and Vector Control DistrictIn November, district staff began annual surveillance activities for Lyme disease bacteria in ticks. This year, the program will focus on surveying sites of potential risk that have not been thoroughly evaluated in the past. Tick surveys were conducted this month in Portola Valley Ranch and on a previously

dancing dragonhttp://www.blogger.com/profile/01663876095374302735noreply@blogger.com0tag:blogger.com,1999:blog-998759582494708781.post-58435919741536576372009-02-09T23:59:00.000-08:002009-02-10T02:09:51.275-08:00

Entomology Report October 2008, San Mateo County Mosquito and Vector Control DistrictDistrict laboratory and operational staff trapped ground squirrels at a rural site in Portola Valley this month to survey for tularemia. Tularemia is a disease carried by wild mammals including rabbits, squirrels and mice. It can be transmitted to humans through the bite of ticks, fleas, horse flies and other

dancing dragonhttp://www.blogger.com/profile/01663876095374302735noreply@blogger.com0tag:blogger.com,1999:blog-998759582494708781.post-49438640604784908362008-09-09T23:59:00.000-07:002008-10-23T00:55:16.539-07:00

Entomology Report June 2008, San Mateo County Mosquito and Vector Control DistrictIn response to a tularemia outbreak in primates housed in a facility in Portola Valley, the entomology staff have been investigating the role of possible vectors responsible for the disease transmission. Tularemia, also known as rabbit fever, is a potentially serious and highly infectious disease caused by a

dancing dragonhttp://www.blogger.com/profile/01663876095374302735noreply@blogger.com0tag:blogger.com,1999:blog-998759582494708781.post-41577768927438535212008-05-24T23:59:00.000-07:002008-06-15T10:28:09.383-07:00

Entomology Report April 2008, San Mateo County Mosquito and Vector Control DistrictThe district continues to survey for Lyme disease in San Mateo County recreational parks. Disease-causing spirochetes have been detected for the first time in ticks at two additional parks this year: Water Dog Lake in Belmont and Huddart Park in Woodside (refer to table). The average prevalence of infection for San

dancing dragonhttp://www.blogger.com/profile/01663876095374302735noreply@blogger.com0tag:blogger.com,1999:blog-998759582494708781.post-14247422397392644602008-05-23T12:59:00.000-07:002008-05-26T21:59:02.256-07:00

Entomology Report March 2008, San Mateo County Mosquito Abatement DistrictFollow-up on the physician survey on Lyme disease continued in March. Based on survey results, the district mailed educational materials to over 200 primary care physicians in San Mateo County. The mailing consisted of a letter about infection in local ticks, instructions on disease reporting, brochures, and tick

dancing dragonhttp://www.blogger.com/profile/01663876095374302735noreply@blogger.com0tag:blogger.com,1999:blog-998759582494708781.post-72528245445168790282008-05-22T23:59:00.000-07:002008-05-26T21:58:47.251-07:00

Entomology Report Frebruary 2008, San Mateo County Mosquito Abatement DistrictOn February 27, the district trapped rodents south of Pescadero to test for tularemia. Tularemia is a bacterial disease of wildlife (primarily rodents and rabbits) that can sometimes be transmitted to people. Symptoms include abrupt onset of fever, chills, muscle aches and progressive weakness. When a person is infected

dancing dragonhttp://www.blogger.com/profile/01663876095374302735noreply@blogger.com0tag:blogger.com,1999:blog-998759582494708781.post-412011910211550602008-05-21T23:59:00.001-07:002008-05-26T21:58:33.831-07:00

Entomology Report January 2008, San Mateo County Mosquito Abatement DistrictTwo laboratory staff presented research in the tick-borne disease symposium at the 2007 annual meeting of the Mosquito and Vector Control Association of California. Chindi Peavey, Vector Ecologist, spoke about tularemia, a disease of rabbits and rodents that can sometimes be transmitted to people. There have been 2 cases

dancing dragonhttp://www.blogger.com/profile/01663876095374302735noreply@blogger.com0tag:blogger.com,1999:blog-998759582494708781.post-26974585349136309112008-05-21T23:59:00.000-07:002008-05-26T21:58:10.120-07:00

Entomology Report January 2008, San Mateo County Mosquito Abatement DistrictDistrict staff collect and test Ixodes pacificus ticks annually to detect the presence of the Lyme disease bacterium, Borrelia burgdorferi (Bb). Ticks are dissected and their guts are split in half to perform two tests on each tick. Each tick is tested by direct fluorescent antibody (DFA) technique which involves staining

dancing dragonhttp://www.blogger.com/profile/01663876095374302735noreply@blogger.com0tag:blogger.com,1999:blog-998759582494708781.post-29554030384135708492008-05-20T23:59:00.000-07:002008-05-26T03:49:05.218-07:00

Entomology Report November/December 2007, San Mateo County Mosquito Abatement DistrictThis year, the lab will be measuring relative density and seasonal distribution of western black-legged ticks at five parks: Costanoa Lodge, Huddart Park, Skyline Ridge Open Space, Pulgas Ridge Open Space, and San Pedro Valley County Park. These parks represent the varied climates of the north, south, mid-, and

dancing dragonhttp://www.blogger.com/profile/01663876095374302735noreply@blogger.com0tag:blogger.com,1999:blog-998759582494708781.post-4372663352948746032007-07-31T23:59:00.001-07:002008-05-26T17:45:19.836-07:00

Annual Report 2006-2007, Alameda County Vector Control ServicesTularemia is caused by the bacterium Francisella tularensis that infects a variety of arthropods and vertebrates. Symptoms of human tularemia may include fever, chills, malaise, and fatigue. The disease is commonly transmitted by contacts with rabbits, insects, or tick bites. In Alameda County, a confirmed human case, transmitted by

dancing dragonhttp://www.blogger.com/profile/01663876095374302735noreply@blogger.com0tag:blogger.com,1999:blog-998759582494708781.post-54700388832510793842007-07-31T23:59:00.000-07:002007-08-10T20:54:23.614-07:00

Annual Report 2006-2007, Alameda County Vector Control ServicesAs part of the Lyme disease surveillance program, our staff collects and identifies ticks, and recommends testing for tick borne disease when deemed appropriate. Our District provides consultations, educational resources, tick identification, and testing facilities for Lyme disease. Fifteen Ixodes pacificus ticks were submitted to the

dancing dragonhttp://www.blogger.com/profile/01663876095374302735noreply@blogger.com0tag:blogger.com,1999:blog-998759582494708781.post-70078984214039360102007-07-17T23:59:00.001-07:002007-08-10T20:13:13.824-07:00

Entomology Report June 2007, San Mateo County Mosquito Abatement DistrictDistrict staff have been monitoring the seasonal population dynamics of the American Dog tick (Dermacentor variabilis) and the Pacific Coast tick (Dermacentor occidentalis) along the coast this year. These ticks are potential vectors of tularemia and Rocky Mountain Spotted Fever in California. Human cases of these diseases

dancing dragonhttp://www.blogger.com/profile/01663876095374302735noreply@blogger.com0tag:blogger.com,1999:blog-998759582494708781.post-33618983546243799432007-07-17T23:59:00.000-07:002007-08-10T19:12:10.601-07:00

Entomology Report June 2007, San Mateo County Mosquito Abatement DistrictIn conjunction with the San Mateo County Public Health Department, laboratory staff have surveyed over 100 physicians throughout the county to assess physician beliefs and awareness about Lyme Disease. So far, 9% of the surveys have been completed and returned. This survey will be used to develop educational materials,

dancing dragonhttp://www.blogger.com/profile/01663876095374302735noreply@blogger.com0tag:blogger.com,1999:blog-998759582494708781.post-83075706689205769102007-06-18T23:59:00.000-07:002007-08-10T19:20:43.286-07:00

Entomology Report May 2007, San Mateo County Mosquito Abatement DistrictTesting nymphs, the juvenile stage, is an integral part of the Lyme disease surveillance program. Their extremely small, hard to see, size of this stage contributes to their role in transmission of Lyme disease. Nymphs are collected by dragging white flannel sheets over forest floors with dense leaf litter, the preferred

dancing dragonhttp://www.blogger.com/profile/01663876095374302735noreply@blogger.com0tag:blogger.com,1999:blog-998759582494708781.post-88082806862224529162007-05-23T18:55:00.001-07:002007-08-08T19:37:39.663-07:00

Rocky Mountain Spotted Fever confirmed in County park, Orange County Vector Control DistrictRocky Mountain Spotted Fever confirmed in County park. A Pacific Coast Tick, Dermacentor occidentalis that was collected in Aliso and Wood Canyons Wilderness Park tested positive for Rocky Mountain Spotted Fever (RMSF). Orange County Vector Control District (OCVCD) collected the tick on January 29, 2007 as

dancing dragonhttp://www.blogger.com/profile/01663876095374302735noreply@blogger.com0tag:blogger.com,1999:blog-998759582494708781.post-53430329419089374392007-05-23T18:10:00.000-07:002007-06-18T22:31:17.165-07:00

Locations of Lyme Positive Ticks, Los Angeles County West Vector Control DistrictMap: Sites where ticks positive for Lyme disease bacterium have been found in the districtCharmlee ParkMalibu Creek State ParkTapia State ParkTopanga State ParkWill Rogers State ParkPalos Verdes Estates - Bluff CoveRolling Hills - Purple Canyon Trail

dancing dragonhttp://www.blogger.com/profile/01663876095374302735noreply@blogger.com0tag:blogger.com,1999:blog-998759582494708781.post-57378342245235893322007-05-10T12:27:00.001-07:002008-05-26T17:50:03.339-07:00

Source: Lyme Disease in Santa Clara County, Santa Clara County Vector Control DistrictLocation of tick sampling % positive to Borrelia burgdorferiFreemont Older 3.85Foothills Open Space Dist. 2.86Sierra Azul 2.86Sanborn Skyline 2.78Alum Rock Park 2.75Uvas County Park 2.39Duveneck

dancing dragonhttp://www.blogger.com/profile/01663876095374302735noreply@blogger.com0tag:blogger.com,1999:blog-998759582494708781.post-70459884287237107662007-05-10T12:27:00.000-07:002007-08-08T19:40:01.309-07:00

Entomology Report April 2007, San Mateo County Mosquito Abatement DistrictIn April, District staff focused on collection of nymphal ticks for Lyme disease testing. On April 18, District laboratory staff collaborated with Santa Clara County Vector Control to search for nymphal ticks in sites near the county border. Sampling was carried out on Old Spanish Trail in Los Trancos Woods and at Foothill

dancing dragonhttp://www.blogger.com/profile/01663876095374302735noreply@blogger.com0tag:blogger.com,1999:blog-998759582494708781.post-5641936700806306732007-04-11T18:56:00.001-07:002007-06-18T22:31:17.166-07:00

Entomology Report March 2007, San Mateo County Mosquito Abatement DistrictDr. Chindi Peavey, the District Vector Ecologist, gave a presentation on Lyme Disease Ecology and Surveillance at El Camino Hospital on March 17 in conjunction with Dr. Anne Kjemtrup, from the California Department of Health Services, and Victor Romano, from Santa Clara County Vector Control.Laboratory staff distributed a

dancing dragonhttp://www.blogger.com/profile/01663876095374302735noreply@blogger.com0tag:blogger.com,1999:blog-998759582494708781.post-6419385686908435322007-04-11T18:56:00.000-07:002007-08-10T19:07:28.341-07:00

Entomology Report March 2007, San Mateo County Mosquito Abatement DistrictA pilot survey was performed to determine attitudes and beliefs of physicians in San Mateo County on the acquisition of Lyme Disease in the county, treatment options, and the possibilities of co-infections. Training was provided by the San Mateo County Public Health Department on survey completion and the pilot was

dancing dragonhttp://www.blogger.com/profile/01663876095374302735noreply@blogger.com0tag:blogger.com,1999:blog-998759582494708781.post-38955133264991785532007-03-26T12:29:00.000-07:002007-08-10T20:10:21.481-07:00

Entomology Report February 2007, San Mateo County Mosquito Abatement District% Infection of I. pacificus in San Mateo County ParksLocation # Ix. pacificus Tested % InfectionPulgas Ridge 60 3.3Los Trancos Woods 733 2.5Huddart Park 140 2.1Big Canyon Park 507

dancing dragonhttp://www.blogger.com/profile/01663876095374302735noreply@blogger.com0tag:blogger.com,1999:blog-998759582494708781.post-23522557657990353952007-02-16T12:15:00.003-08:002007-08-10T20:09:40.436-07:00

Entomology Report January 2007, San Mateo County Mosquito Abatement DistrictIn January, tick collections were made from Edgewood Park, (Redwood City), Huddart Park, (Woodside), Laurelwood Park (San Mateo), Water Dog Lake (Belmont), and Costanoa (Pescadero). So far, a total of 827 ticks from 5 parks were collected. Evidence of infection with Lyme disease spirochetes was detected for the first

dancing dragonhttp://www.blogger.com/profile/01663876095374302735noreply@blogger.com0tag:blogger.com,1999:blog-998759582494708781.post-75350536236060593262007-02-16T12:15:00.002-08:002007-08-10T19:50:15.812-07:00

Entomology Report January 2007, San Mateo County Mosquito Abatement DistrictThe insecticide Suspend (Deltamethrin) was evaluated for its ability to control Dermacentor ticks along a recreational trail in San Mateo County. Three days post treatment, showed a 98% decline in ticks. One week post treatment resulted in 100% control and after seven weeks the trail was still at a density of 0 ticks.

dancing dragonhttp://www.blogger.com/profile/01663876095374302735noreply@blogger.com0tag:blogger.com,1999:blog-998759582494708781.post-6541435145320731252007-02-16T12:15:00.001-08:002007-08-10T19:49:01.923-07:00

Entomology Report January 2007, San Mateo County Mosquito Abatement DistrictThis four-week study concluded that the mowing of grass on the sides of public recreation trails in San Mateo County was not an effective control method for Dermacentor ticks. In fact, although the sample size was relatively small, the density of Dermacentor variabilis ticks was found to have increased slightly on sites

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