Home Topics Mosquitoes

Topic: mosquitoes

High tides leading to more mosquitoes

The Mosquito Research and Control Unit is warning the public to expect an increase in mosquito activity following recent high tides that caused flooding in the mangrove breeding areas of the black salt marsh mosquito.

Mosquito spraying under way

The Mosquito Research and Control Unit will be carrying out aerial and truck operations tonight (Monday, 3 Aug.).

Wet weather brings more mosquitoes

The Mosquito Research and Control Unit says it expects mosquito numbers to grow in the coming days.

MRCU testing mosquitoes that target blue iguanas

A new study being conducted by the Mosquito Research and Control Unit is targeting mosquitoes that feed on blue iguanas. The research project, which began in April this year, is a joint effort between the MRCU and Mississippi State University.
Cayman’s current approach to combating mosquitoes consists of aerial spraying by the MRCU plane, above, fogging from trucks, and the release of genetically modified mosquitoes, among other measures.

Cayman seeks new plan to combat mosquitoes

Cayman’s government is searching for a new solution to its mosquito problem.

Letter: MRCU responds to GeneWatch FOI release

New MRCU Director Jim McNelly Ph.D. says his team and Oxitec are in agreement on how, where and when to proceed with the evaluation. It will also be up to MRCU to evaluate what success will look like.

EDITORIAL – The revealing (and disturbing) MRCU/Oxitec emails

If it were not for Dr. Wheeler and MRCU Research Manager Fraser Allen, it seems likely that Oxitec’s claim that its program had led to a “62 percent suppression rate” of the disease-carrying Aedes aegypti population in the West Bay pilot area would have gone unchallenged by government officials.

GM mosquitoes

Today's editorial cartoon

More mosquitoes likely to follow heavy rains

The Mosquito Research and Control Unit says it is expecting a “significant emergence” of mosquitoes over the coming days due to heavy rains recently.

Genetically modified mosquitoes in Cayman swat wild population

Genetically modified mosquitoes have made a significant impact in reducing  wild populations of the disease-spreading insects in the West Bay release area.

Heavy rainfall brings more mosquitoes

A recent spike in activity is the result of heavy rains in late September and early October, pushing mosquito populations higher. Only halfway through the month, total figures for trapped mosquitoes are already 8 percent higher than last October.

EDITORIAL – Taking a swat at Cayman’s mosquitoes

During the summer of 2016, an epidemic swept across the Western Hemisphere. We’re not referring to the Zika virus – no, not exactly – but the widespread panic among members of the population who feared that Zika would cause a generational tidal wave of birth defects.

Cayman records 20th local Zika case

Public health officials say they have confirmed 20 cases of locally transmitted Zika virus, the mosquito-borne illness that can cause severe birth defects when pregnant women contract the disease.

GM mosquitoes on track in West Bay trial

Residents of the Florida Keys go to the polls Nov. 8, deciding not just between presidential candidates Donald Trump and Hillary Clinton, but casting a vote on whether or not to test genetically modified mosquitoes on one small island near Key West.

50 years ago: Scope of mosquito issues highlighted

In the Oct. 19, 1966 edition of the Caymanian Weekly, a precursor of the Cayman Compass, news from George Town included: “Dr. M.E.C. Giglioli has informed the Caymanian that the Mosquito Research and Control Unit has recently been granted 41,329 pounds from Colonial Development and Welfare funds to cover capital equipment costs during its first two years of operation ending in April 1968."

The strategy

Our editorial cartoon.

A guide to Cayman’s public enemy No. 1: mosquitoes

The disease, disruption and dismay they cause, however, is world-class, beyond all proportion to their size. This is what you need to know about the seven genuses of mosquito that call the Cayman Islands home.

The frog

EDITORIAL – The mysterious threat of Zika

The Public Health Department’s upcoming series on the Zika virus may be just what the doctor ordered.

Oxitec’s GM mosquitoes starting to show impact

Researchers studying the release of genetically modified mosquitoes in West Bay say they are starting to see the gene show up in mosquito larvae, meaning those mosquitoes likely will not survive to adulthood.

Mosquito Unit works overtime in Zika fight

The staff at Cayman’s Mosquito Research and Control Unit has been putting in long days as they fight to stop Zika transmission in Grand Cayman.

Cayman needs more info on Zika

Having worked in the field of maternal and child health in Africa for many years, I am greatly concerned as to the general response by the government to Zika.

Cover up

Frieden and Fauci: How not to fight the Zika virus

The Zika virus presents an unprecedented threat to the people of our nation, especially pregnant women.

Two more Zika cases confirmed in George Town

Two more people, both of George Town, have tested positive for the Zika virus, according to the Public Health Department. There are now five confirmed cases of Zika in the Cayman Islands, all of which have been in George Town.

Mosquito Unit works to protect pregnant women as Zika fears grow

Some pregnant women have left the Cayman Islands and others are putting off moves to Grand Cayman now that there are known local Zika transmissions. But leaving a job and traveling overseas is not an option for many women who are pregnant and couples trying to conceive.

Public Health confirms third local Zika case

Public health officials Thursday confirmed a third local case of the Zika virus, all of which have occurred in George Town.

Most support GM mosquito initiative, says survey

A new government survey found most people on Grand Cayman support the ongoing trial of genetically modified mosquitoes in West Bay.

The bronze

Cautions for pregnant women as Zika found locally

The mosquito-borne Zika virus is perhaps best known and most feared for causing severe birth defects in babies whose mothers contract the disease while pregnant.

Two local Zika cases confirmed

Two people in George Town are Cayman’s first official cases of locally transmitted Zika, according to public health officials. The islands have had six cases of Zika imported by people visiting other countries, but these are the first reported incidents of the virus being acquired locally.

Cayman reports first local Zika case

The Public Health Department late Monday confirmed the first locally transmitted case of Zika in the Cayman Islands. Previously, there had been seven documented cases that were contracted outside of Cayman, but public health officials confirmed that a man in George Town is the first person confirmed to became infected with Zika in the islands.

US gives green light to GM mosquito tests in Florida

As Oxitec and the Mosquito Research and Control Unit ramp up releases of genetically modified mosquitoes in West Bay, regulators in the U.S. gave the company the green light to test the GM mosquitoes on an island in the Florida Keys.

EDITORIAL – Let’s keep our pests in proper perspective

Oy, and you think Cayman has problems? We’re referring, of course, to our overabundance of green iguanas, ubiquitous lionfish, and those damned female mosquitoes.


EDITORIAL – Keeping Cayman free of threatening ‘Zika mosquitoes’

Given the choice between the risks associated with “natural” Aedes aegypti mosquitoes (which carry nasty viruses like Zika, chikungunya, dengue and yellow fever) and the potential risks of “genetically modified” Aedes aegypti mosquitoes (which are engineered to reduce the wild population) – we find ourselves more and more inclined to give the GM mosquitoes a chance.


GM Mosquitoes

Mosquito ‘control’ that doesn’t

We cannot keep pumping insecticide into the environment and hope to win against the mozzies.

Judge rejects GM mosquito review

A Grand Court judge on Monday refused an application for a judicial review that could have stopped the planned release of millions of genetically modified mosquitoes in West Bay.

NEW: Judge denies request to halt GM mosquito release

A Grand Court judge Monday refused an application for a judicial review to stop the planned release of millions of genetically modified mosquitoes in West Bay.

Judge to rule Monday on release of GM mosquitoes

A judge will deliver her ruling on Monday on whether millions of genetically modified mosquitoes can be released in West Bay.
(file photo)

Judicial review of GM mosquito plan gets under way

A lawyer representing opponents of a planned release of millions of genetically modified mosquitoes in West Bay told a judicial review Tuesday that a “proper risk assessment” of the project had not been done.

House-to-house survey begins on mosquito plan

Biotechnology company Oxitec, in collaboration with the Mosquito Research and Control Unit, is conducting an island-wide survey on the level of awareness about mosquito-borne diseases, including Zika, chikungunya and dengue.

Mosquito release halted by legal challenge

The planned release of millions of genetically modified mosquitoes in West Bay, scheduled to begin Thursday morning, has been halted after a judge granted...
(file photo)

UPDATE – Legal action pauses GM mosquito release

Opponents of the planned release of millions of genetically modified mosquitoes in West Bay are taking legal action in an effort to halt the operation, which is scheduled to begin Thursday.

Inside the mosquito ‘factory’

Ahead of the release of genetically modified mosquitoes in West Bay, scheduled to begin Thursday, the Mosquito Research and Control Unit and U.K. biotech firm Oxitec invited members of the media for an inside look of the new lab, where half a million male Aedes aegypti mosquitoes are being bred.

Lunch time

Six suspected Zika cases await results

Public Health Department officials said Wednesday they are awaiting test results on six suspected cases of the Zika virus.

GM Mosquitoes

EDITORIAL – Things we detest: Red tape and mosquito bites

The planned release of genetically modified mosquitoes was delayed because — read carefully — the Cayman Islands government was unable to obtain a government permit.

Flight delay

Zika fears ‘impacting tourism’

Fear over the spread of the Zika virus in the Caribbean has been blamed for a decline in stay-over tourism in Grand Cayman this year.

West Bay MLAs call for GM mosquito release delay

West Bay opposition MLAs are calling for the suspension of plans to release millions of genetically modified mosquitoes in their district.

Cayman ‘Zika free,’ health officials say

The recent case of Zika possibly linked to Cayman was not spread by local mosquitoes, but was sexually transmitted by a tourist’s partner from St. Maarten, the Cayman Islands Public Health Department said Wednesday.

GM mosquitoes too risky

Tourist dumbfounded by the government-approved genetically modified mosquito program.

Petition calls for halt to GM mosquito release

More than 570 people have signed an online petition calling for the Cayman Islands government to suspend plans to release millions of genetically modified mosquitoes in the district of West Bay.

Tourist tests positive for Zika

A stayover tourist tested positive for Zika after returning home, the Public Health Department said Friday. The department has not confirmed whether the person contracted Zika in Cayman, but this is the first case of the virus, which can cause birth defects in babies from infected mothers, associated with Cayman.

50 years ago: Mosquitoes and agriculture are hot topics

In the June 1, 1966 edition of the Caymanian Weekly, a precursor of the Cayman Compass, Bodden Town correspondent Haig Bodden wrote:

MRCU conducting aerial operations this week

That low-flying aircraft that might buzz about directly overhead this week is not in difficulty; it’s just the Mosquito Research and Control Unit conducting its seasonal aerial operations in an effort to reduce the size of the mosquito populations on Grand Cayman and the Sister Islands.

Make my day

EDITORIAL – No buzz for mosquito meetings

The unfortunate news for the Cayman Islands (and most places on Planet Earth) is that the overwhelming majority of people just don’t care that much about topics that, objectively, fall squarely in the “public interest.”

Scientists move to quell GM mosquito concerns

Cayman’s Mosquito Research and Control Unit and U.K. biotech company Oxitec tackled questions Tuesday night from West Bay residents concerned about the planned release of millions of genetically modified mosquitoes in their neighborhood.

Millions of GM mosquitoes to be released

The National Conservation Council has granted permit approval for the release of up to 22 million genetically modified mosquitoes in Grand Cayman over the next nine months.

Genetically engineered mosquitoes to be released in Grand Cayman

Genetically engineered mosquitoes will be released across Grand Cayman in the coming year, starting in West Bay, in an effort to control the Aedes aegypti mosquitoes responsible for spreading Zika, dengue and other viruses.

Jamaica equipped to test for Zika

Jamaica’s National Virology Laboratory can now test for the Zika virus, becoming the second country in the Caribbean equipped to do so, according to the Jamaica Information Service.

Cayman fighting Zika before it gets here

The red and white Mosquito Research and Control Unit plane began making the rounds this month, joined by truck-mounted foggers on the ground, to kill the mosquitoes blamed for spreading the Zika virus around South and Central America.

Margolis: The price of Zika

People are scrambling as the scary, mosquito-borne virus Zika winds its way through 26 (and counting) countries and territories in the Americas.

Mosquito Research and Control Unit readies Zika fight

Cayman’s Mosquito Research and Control Unit is gearing up to fight the Aedes aegypti mosquito, responsible for carrying the Zika virus that has recently been called a global public health emergency by the World Health Organization.

Bloomberg: Zika and the war against mosquitoes

Ending the Zika public health emergency will require a persistent assault on the mosquitoes that carry the virus.

Cayman prepares for Zika

Cayman’s public health officials expect the Zika virus to be in the country in the coming months and are preparing the Mosquito Research and Control Unit and the islands’ healthcare workers to deal with the new virus.

This week