Author: Sarah Austin

Wolbachia in mosquitoes from the Central Valley of California, USA

From Bio Med Central November 10th, 2020 Background Wolbachia bacteria are widely distributed throughout terrestrial arthropod species. These bacteria can manipulate reproduction and influence the vector competence of their hosts. Recently, Wolbachia have been integrated into vector control programmes for mosquito management. A number of supergroups and strains exist for Wolbachia, and they have yet to be characterized for…

News Briefs 11.06.2020

Your Support Needed; MVCAC Annual Conference Corner; Requesting MVCAC Member Support for Members Impacted by CA Wildfires; Share Your Post COVID-19 Exposure Methods With Us; MVCAC Member Resources Re: COVID-19 ; Submit your district for the next Agency Spotlight; HR resources for districts to use and to upload information into; MVCAC News Briefs – Giant…

Combat The Bite In Coronado

From the Coronado Eagle Journal November 9th, 2020 Recently, residents have noticed an increase in the number of mosquitoes in Coronado. There is a new invasive species of mosquito called the Aedes, that is spreading across California. The Aedes breeds in small areas of water and even some plants. The San Diego County Vector Control…

Mosquitoes in Santa Barbara Test Positive for West Nile Virus

From the Daily Nexus November 8, 2020 These mosquitoes, commonly known as southern house mosquitoes, were discovered in traps for a different invasive species of mosquitoes Aedes aegypti discovered in early October. These traps were set up in a house in Santa Barbara near the intersection of North La Cumbre Road and Foothill Road.  Brian…

Kern County reporting third human case of West Nile

From Bakersfield Now November 6th, 2020 BAKERSFIELD, Calif., (KBAK/KBFX) — According to the State of California’s West Nile site, Kern County has had three confirmed human cases of West Nile so far this year. West Nile virus is a disease that is spread by mosquitoes and most often spreads to people during the summer and early fall…

Fighting Zika? Call in the T cells

From Medical Xpress November 4, 2020 Where Aedes mosquitoes fly, Zika virus may not be far behind. Although the explosive 2015-2016 Zika epidemics in the Americas are behind us, Zika may re-emerge, and “in many countries, Zika may be spreading in silence,” says Sujan Shresta, Ph.D., a professor at La Jolla Institute for Immunology (LJI).…

UC researchers are pioneering a more effective way to block malaria…

From AlKhaleejToday November 3, 2020 Using a strategy known as “population modification,” which involves using a CRISPR-Cas9 gene propulsion system to introduce genes that prevent parasite transmission into mosquito chromosomes, University of California researchers have made a great leap forward in the use of genetic technologies for the Control of the transmission of made malaria…

News Briefs 10.30.2020

MVCAC Annual Conference Corner; Requesting MVCAC Member Support for Members Impacted by CA Wildfires; Share Your Post COVID-19 Exposure Methods With Us; MVCAC Member Resources Re: COVID-19; Submit your district for the next Agency Spotlight; HR resources for districts to use and to upload information into; MVCAC News Briefs – Giant Asian Hornets; MVCAC News…

Exchanging potted plants is spreading mosquito population

From Winters Express October 29, 2020 The Sacramento-Yolo Mosquito and Vector Control District discourages the practice of exchanging potted plants as the invasive mosquito population in Winters remains widespread across town. In mid-September an adult female Aedes aegypti mosquito was found in a trap placed near East and Main streets. The invasive container-breeding mosquito is an aggressive…

Invasive mosquito that can spread several diseases found in Oroville

From KRCR October 28, 2020 An invasive mosquito that can spread several diseases has been found in Oroville. The non-native species, known as the Yellow Fever Mosquito, can transmit viruses such as Zika, Dengue, and Yellow Fever as the name suggests. Mosquitos that are native to the area don’t spread those diseases, county officials say.…

Mosquitoes Caught in Santa Barbara Test Positive for West Nile Virus

From Noozhawk October 28, 2020 A sample of mosquitoes collected from a mosquito trap in Santa Barbara has tested positive for West Nile Virus (WNV), according to the Mosquito & Vector Management District of Santa Barbara County. The mosquitoes were trapped as part of ongoing surveillance for the recently discovered invasive Aedes aegypti mosquitoes that…

Mosquitos captured in Santa Barbara test positive for West Nile

From KEYT October 27, 2020 SANTA BARBARA, Calif. — Mosquitos that were caught in Santa Barbara tested positive for West Nile Virus on Tuesday. The Mosquito & Vector Management District of Santa Barbara County caught a sample of mosquitoes from a mosquito trap and tested them after the invasive Aedes aegypti mosquitoes were discovered earlier…

News Briefs 10.23.2020

MVCAC Annual Conference Corner; Passing of BCMVCD Employee Eric Gohre; Requesting MVCAC Member Support for Members Impacted by CA Wildfires; Share Your Post COVID-19 Exposure Methods With Us; MVCAC Member Resources Re: COVID-19; Submit your district for the next Agency Spotlight; HR resources for districts to use and to upload information into; MVCAC News Briefs…

Meet the Man Fighting an Ankle-Biting Mosquito Invasion with Fish

From Spectrum News 1 October 26, 2020 GARDEN GROVE, Calif. — Every morning Michael Saba heads out to feed his fish — all 75,000 of them. Known as “The King Fish,” Saba is a marine biologist with the Orange County Mosquito and Vector Control District, where he rules over an army of tiny silvery creatures.…

Officials find first ‘murder hornet’ nest in the US

From KCRA 3 October 23, 2020 BLAINE, Wash. — They’re here, and they’re apparently making themselves at home. The Washington State Department of Agriculture on Friday confirmed they located the first Asian giant hornet nest in the U.S. Advertisement The nest was inside a hole in a tree located on “private property near an area…

Dangerous Mosquito Species Spreading Throughout Northern California

From CBS Sacramento October 23, 2020 ARDEN-ARCADE (CBS13) — A pandemic, a historic fire season and now disease-carrying mosquitoes that can spread the Zika virus. Mosquitos are becoming more than just a nuisance in the Arden-Arcade area. In the last two weeks, Martie Nolan has discovered at least 14 bites that have left a mark.…

Dangerous Mosquito Species Spreading Throughout Northern California

From CBS Sacramento October 23, 2020 ARDEN-ARCADE (CBS13) — A pandemic, a historic fire season and now disease-carrying mosquitoes that can spread the Zika virus. Mosquitos are becoming more than just a nuisance in the Arden-Arcade area. In the last two weeks, Martie Nolan has discovered at least 14 bites that have left a mark.…

Aedes Aegypti Mosquito Found In Moorpark, Ventura County

From the Moorpark, CA Patch October 22, 2020 The City of Moorpark Vector Control Division (Division) has detected Aedes aegypti mosquitoes within the City of Moorpark. The first detection was on October 13, 2020 at a residence in downtown Moorpark within a few blocks of Moorpark Avenue. This Division is working with the Ventura County Environmental Health Division…

San Joaquin County reports first human case of uncommon mosquito-borne virus in nearly 40 years

From ABC 10 October 22, 2020 STOCKTON, Calif. — San Joaquin County Public Health Services (SJCPH) said it has received the first reported human case of the mosquito-borne disease St. Louis encephalitis virus (SLEV) in the county in nearly 40 years.  The health agency said that in August, the district’s mosquito-borne disease surveillance program discovered…

Mosquito that can carry Zika virus turns up near Isleton, vector district officials say

From the Sacramento Bee October 22, 2020 The mosquito that can carry the Zika virus has been spotted this week in yet another area of Sacramento County, this time in Isleton, according to a report Thursday from the Sacramento-Yolo Mosquito and Vector Control District. The invasive Aedes aegypti bite during the day and lay eggs just above…

Artificial Light May Make Aedes Aegypti Mosquitoes ‘Abnormally’ Active At Night, Study Shows

From the International Business Times October 21, 2020 Aedes aegypti mosquitoes, which are carriers of dengue and Zika viruses, are known to be active biters during the daytime, but a team of researchers has found that artificial lights can “abnormally” increase their biting behavior even at night. Aedes Aegypti mosquitoes transmit various mosquito-borne diseases such as dengue fever,…

News Briefs 10.16.2020

MVCAC Annual Conference Corner; MVCAC Member Resources Re: COVID-19; Submit your district for the next Agency Spotlight; HR resources for districts to use and to upload information into; MVCAC News Briefs – Giant Asian Hornets; MVCAC News Briefs – Zika Updates; MVCAC News Briefs – Other Outbreaks; Share Your News With Us!; Jobs Board; Sustaining…

News Briefs 10.09.20

MVCAC Annual Conference Corner; MVCAC Member Resources Re: COVID-19; Submit your district for the next Agency Spotlight; HR resources for districts to use and to upload information into; MVCAC News Briefs – Giant Asian Hornets; MVCAC News Briefs – Zika Updates; MVCAC News Briefs – Other Outbreaks; Share Your News With Us!; Jobs Board; Sustaining…

West Nile virus symptoms are similar to COVID-19 at first, experts say

From KXXV October 12, 2020 According to the CDC, more than 30 states are reporting West Nile virus infections in people, birds or mosquitoes. Early symptoms of West Nile are similar to any virus or the common cold. These days, that means it’s hard to differentiate from COVID-19. In Los Angeles, it’s a big job…

More mosquitoes test positive for West Nile virus in LA County

From the Antelope Valley Press October 12, 2020 LOS ANGELES — Twenty-six more mosquito samples tested positive for West Nile virus this week in Los Angeles County, bringing to 264 the number of positive samples so far this year, vector control officials reported Friday. The mosquito samples all were collected from areas previously identified as…

More Mosquitoes Test Positive for West Nile Virus in L.A. County

From NBC Los Angeles October 9, 2020 Twenty-six more mosquito samples tested positive for West Nile virus this week in Los Angeles County, bringing to 264 the number of positive samples so far this year, vector control officials reported Friday. The mosquito samples all were collected from areas previously identified as positive for WNV, according…

West Nile Virus claims lives of two people in Merced County, abatement district says

From the Merced Sun-Star October 8, 2020 West Nile Virus has led to the deaths of two individuals over age 50, a Merced County Mosquito Abatement District news release reported. Each person had underlying health conditions prior to their death. Although the fatalities were reported on Thursday, both occurred during September, the release said. As…

There are more mosquitoes in Tulare County, but not as many carrying disease

From YourCentralValley.com October 8, 2020 VISALIA, California (KSEE) — October is usually when the number of mosquitoes declines – but in some parts of Tulare County the number is going up. While the number of diseased mosquitoes is down from last year, mosquito-transmitted diseases like West Nile virus are still being found in humans. Inside…

Sacramento officials find mosquitoes that can carry Zika virus near Arden Arcade park

From the Sacramento Bee October 7, 2020 Even as the Sacramento Valley cools down, the yellow fever mosquito is being discovered in traps in new areas. Some were found this week near Cresta Park in the Arden Arcade area, the Sacramento-Yolo Mosquito and Vector Control District announced Wednesday. This aggressive day-biting pest, more formally known as Aedis…

Mosquito tests show no further signs of West Nile virus

From the Half Moon Bay Review October 7, 2020 Mosquito tests for West Nile virus done last week came back negative on Thursday, after a dead American crow in South San Francisco was found to have the virus. The bird signaled the first indication of West Nile virus in San Mateo County since 2018, according…

More mosquitoes, one human test positive for West Nile Virus in Valley

From the Antelope Valley Press October 7, 2020 LANCASTER — More mosquitoes collected from mosquito traps in Palmdale have tested positive for West Nile virus (WNV).  One trap was located near 25th Street West and Avenue P-8. The other trap was located near 30th Street East and Avenue R. To date, there have been 13…

News Briefs 10.2.2020

MVCAC Annual Conference Corner; Requesting MVCAC Member Support for Members Impacted by CA Wildfires; Share Your Post COVID-19 Exposure Methods With Us; MVCAC Member Resources Re: COVID-19; Statewide COVID-19 Response Discussion; Submit your district for the next Agency Spotlight; HR resources for districts to use and to upload information into; MVCAC News Briefs – Giant…

INVASIVE AEDES MOSQUITO FOUND IN SANTA BARBARA COUNTY FOR THE FIRST TIME

From Edhat Santa Barbara October 3, 2020 Source: Mosquito and Vector Management District of Santa Barbara County The Mosquito and Vector Management District of Santa Barbara County has confirmed the presence of the non-native Aedes aegypti mosquito in Santa Barbara County. Photos of a suspect mosquito caught at a home in the Hope neighborhood in Santa…

OC Cities Battle Explosion Of Non-Native ‘Ankle-Biter’ Aedes Mosquitoes

From CBS Los Angeles October 2, 2020 SANTA ANA (CBSLA) – Amid an explosion of non-native “ankle-biter” Aedes mosquitos across the Southland this summer and fall, Orange County is trying out a new treatment to combat the insects. The O.C. Mosquito and Vector Control District Thursday was using an A1 Super Duty larvicide sprayer to spray out a…

West Nile Virus cases reported in Tulare County

From FOX 26 News October 1, 2020 TULARE COUNTY, Calif. (FOX26) — The Tulare County Health & Human Services Agency announced five human cases of West Nile Virus have been reported in Tulare County. Two cases are confirmed to have contracted the virus and three cases are probable. Public health officials urge residents to take precautions…

Aedes aegypti mosquitoes found across Ventura County. Here’s what we know.

From the Ventura County Star October 1, 2020 After emerging for the first time in Ventura County less than a month ago, potentially dangerous Aedes aegypti mosquitoes have now been found in east and west Ventura, Fillmore, Westlake Village, Piru, Thousand Oaks and Simi Valley, officials said Thursday. Unconfirmed reports of the mosquito have also come from…

Support for MVCAC Members Impacted by CA Wildfires

MVCAC Members, We’re writing to relay the unfortunate news that some of your fellow members have lost their homes as a result of the current destructive wildfires that are ravaging our state. The bad news is, their homes are total losses.  The good news is they and their loved ones are safe. We want to…

County detects West Nile virus in dead bird for first time this year

From The Almanac September 30, 2020 San Mateo County’s Mosquito and Vector Control District has detected West Nile virus in a dead bird for the first time this year. The bird — an American crow — was collected in South San Francisco earlier this week, the vector control district said Wednesday. It is the first…

Zika-carrying mosquito species found in Davis

From FOX 40 September 30, 2020 DAVIS, Calif. (KTXL) — The mosquito responsible for the spread of the Zika virus has broken out of a containment zone in Winters and has been found in a neighborhood in Davis. The Sacramento-Yolo Mosquito and Vector Control District aggressively went after the Aedes aegypti mosquito in 2019, an invasive…

Adult Mosquito Control to take place in Discovery Bay

From The Press September 30, 2020 Due to the high abundance of mosquitoes in the area, the Contra Costa Mosquito & Vector Control District will be using truck-mounted ultra-low volume sprayers to control adult mosquitoes. DATE: Thursday, October 1, 2020 TIME: Between dusk (approximately 7:00 p.m.) and 11:00 p.m., weather permitting. LOCATION: Discovery Bay The area…

Pandemic Could Make SoCal’s Mosquito Invasion Even Worse

From NBC Los Angeles September 30, 2020 Millions of Southern Californians have been under attack–itching and scratching from bites all over their bodies–by what appears to be a record explosion of tiny “ankle-biter” mosquitoes, known as the Aedes breed. “I have bites on my ears, under my chin, on my breasts, in between my fingers,…

Day-biting mosquito that can carry Zika virus, yellow fever found again in Yolo County

From the Sacramento Bee September 30, 2020 The dog days of summer have waned in the Sacramento region, but the dreaded yellow-fever mosquito apparently is still finding places to breed here. The Sacramento-Yolo Mosquito and Vector Control District reported Tuesday that it had found an adult female aedis aegypti in a new area of Yolo…

91 Human West Nile Virus Cases Reported In California As Officials Encourage Risk Reduction

From CBS Los Angeles September 30, 2020 LOS ANGELES (CBSLA) — Spreading diseases such as malaria, West Nile and Zika, mosquitoes are among the deadliest animals in the world. To date, California officials have reported a total of 91 West Nile virus cases in people statewide. Of those, L.A. County Public Health said it has identified 27…

News Briefs 9.25.2020

MVCAC Annual Conference Corner; Share Your Post COVID-19 Exposure Methods With Us; MVCAC Member Resources Re: COVID-19; Statewide COVID-19 Response Discussion; Submit your district for the next Agency Spotlight; HR resources for districts to use and to upload information into; MVCAC News Briefs – Giant Asian Hornets; MVCAC News Briefs – Zika Updates; MVCAC News…

How zika virus degrades essential protein for neurological development via autophagy

From EurekAlert! September 28, 2020 In a study published in Autophagy, researchers at the University of Maryland (UMD) shed new light on how Zika virus hijacks our own cellular machinery to break down a protein that is essential for neurological development and cellular communication, getting it to “eat itself”. By triggering this process known as autophagy, Zika…

Yolo County reports first human case of West Nile Virus this year

From the Winters Express September 24, 2020 A Yolo County resident became ill with West Nile Virus last month and is now recovering, the county reported Saturday. This is the first human case of the mosquito-borne virus documented in the county this year. Statewide, at least 16 counties have reported human West Nile cases, affecting…

Aedes Aegypti Mosquito Capable Of Carrying Dengue, Zika Viruses Detected In Thousand Oaks

From CBSLA September 24, 2020 THOUSAND OAKS (CBSLA) — A non-native mosquito capable of carrying dengue and Zika virus has been detected in Thousand Oaks, the second instance it has been found in Ventura County. Aedes aegypti mosquitos have been detected in Thousand Oaks, the Ventura County Environmental Health Division said in a news release Wednesday.…

Invasive Aedes mosquito species found in second Ventura County city

From VC Star September 23, 2020 Ventura County officials have found specimens of an invasive and potentially dangerous species of mosquito in Thousand Oaks several days after the mosquito’s presence in the county was publicly shared. Aedes aegypti mosquitoes, also known as yellow fever mosquitoes, were first detected in Simi Valley on Sept. 9, according to the…

First-ever ‘Yellow Fever’ mosquito detected in Butte County

From KRCR News September 23, 2020 CHICO, Calif. — For the first time in Butte County the mosquito commonly known as the yellow fever mosquito has been found. The invasive species was discovered September 17 in northeast Chico in the area of East Avenue and Mariposa Avenue. The Aedes aegypti mosquito has been detected previously in…

News Briefs 9.18.2020

MVCAC Annual Conference Corner; New Manager of Santa Cruz County Mosquito Abatement / Vector Control; San Mateo County Mosquito and Vector Control District hires new manager; Share Your Post COVID-19 Exposure Methods With Us; MVCAC Member Resources Re: COVID-19; Statewide COVID-19 Response Discussion; Submit your district for the next Agency Spotlight; HR resources for districts…