FVRD mosquito control contractor Morrow Bioscience conducting larvicide treatment of breeding sites by helicopter near Chilliwack on May 27, 2014. (Morrow Bioscience)

Mosquito sites being monitored and mapped across the Fraser Valley

Don’t ask about spraying because there are no cities spraying or fogging for mosquito control

When the Fraser River runs high like it did this past spring, the nuisance mosquitoes tend to come out across the Fraser Valley a few weeks later.

When they start biting, some ask the perennial question of why officials don’t spray.

But staff with the Fraser Valley Regional District mosquito-control contractors, Morrow Bioscience Ltd., do not conduct pesticide spraying or fogging to kill flying mosquitoes – ever.

In fact, there are no municipalities in the Lower Mainland that spray for mosquitoes.

Instead they target them at the larval stage, before they hatch, with an environmentally friendly larvicide.

Every year hundreds of hectares of Fraser floodwaters get treated by Morrow Bioscience staff starting in May. They use a granular larvicide called Bti, dropped from a helicopter, or ladled into the water by hand. Technicians will also wade or paddle into swampy areas to treat them.

Morrow Bioscience staff have been busy monitoring, mapping, and treating known breeding sites this summer, according to FVRD officials. That will reduce but not “eliminate” all of the pesky mosquitoes, they said.

Someone moving to Chilliwack Mountain recently asked locals on a Facebook page how bad mosquitoes actually were on the north side of town.

Dana Drope replied to the original poster: “It’s always bad this time of year. Chilliwack is surrounded by water: Vedder river on one side, Fraser river on the other, various sloughs and creeks in between. If you buy a place near water you’re going to get mosquitoes.”

Residents can also help by removing breeding sites:

• Eliminate standing water;

• Chlorinate swimming pools;

• Empty wading pools; and

• Cover rain barrels with fine mesh.

FVRD has a hotline to answer questions or to report an abundance of mosquitoes 1-888-733-2333 or email mosquitoes@fvrd.ca

READ MORE: Mosquito control means killing larva

READ MORE: 2018 was a bad year for mosquitoes


Do you have something to add to this story, or something else we should report on? Email:
jfeinberg@theprogress.com


@CHWKjourno
Like us on Facebook and follow us on Twitter.

Want to support local journalism during the pandemic? Make a donation here.

EnvironmentFraser Valley Regional District

Get local stories you won't find anywhere else right to your inbox.
Sign up here

Comments are closed

Just Posted

VIDEO: Car goes off Highway 1 and into a ditch in Chilliwack

Eastbound vehicle left the highway ending in the ditch on south side of Luckakuck Way

Emergency crews respond to ATV rollover near Harrison

ATV rolled over on or near Harrison East Forest Service Road near Harrison Hot Springs

Guilty verdict for one of two men in large illegal marijuana grow-operation in Chilliwack

Charges dismissed against property owner where 3,200 plants, 32 kgs of dried weed found in 2017

Search continues for person seen floating in Coquihalla River in Hope

Rescuers halted the search Thursday night as darkness fell

Missing Chilliwack woman has not been in contact with family for several months

The RCMP are asking for the public’s help in locating 35-year-old Chantelle Chenier of Chilliwack

B.C. accommodators need phone lines to light up as in-province travel given green light

Travel restrictions during the COVID-19 pandemic have decimated the tourism and hospitality industries

Northern communities welcome tourists as province opens to in-B.C. travellers

Officials have asked British Columbians to be careful as they travel this summer

300 Cache Creek residents on evacuation alert due to flood risk as river rises

Heavy rainfall on Canada Day has river rising steadily, threatening 175 properties

Friends, family remember victim of Langley possible triple-homicide fire at memorial

Memorial held for one the of three found dead at a house fire in Langley Meadows last month

Fraser Valley Bandits, CEBL bringing pro sports back later this month

Abbotsford-based basketball team kicks off CEBL Summer Series on July 26

Family and friends mark birthday of teen who died after being discovered in Langley park

Carson Crimeni suffered an apparent drug overdose, his final moments broadcast on social media

First glimpse of Canada’s true COVID-19 infection rate expected mid-July

At least 105,000 Canadians have tested positive for COVID-19 since the coronavirus was identified

Semi and BMW collide on South Surrey highway

At least one person to hospital, both vehicles sustained significant damage

Police ramp up efforts to get impaired drivers off B.C. roads this summer

July is dedicated to the Summer CounterAttack Impaired Driving Campaign

Most Read