Mosquito Control

BBQ – I can smell it!!!

It’s been a really rough winter up here in Michigan but that doesn’t mean that Mosquitoes will be gone this year. Predictions are with all the snow melting and the water standing we might get a crazier Mosquito season this year. Today I could actually see our grass again… the snow is slowly going away […]

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It’s been a really rough winter up here in Michigan but that doesn’t mean that Mosquitoes will be gone this year. Predictions are with all the snow melting and the water standing we might get a crazier Mosquito season this year.

Today I could actually see our grass again… the snow is slowly going away however there is more snow in the forecast. It’s not over yet.

I’m not complaining about this wonderful winter wonderland at all but I have to admit that when somebody mentioned “BBQ” the other day I could literally smell the delicious BBQ and the sun. I really look forward to spending A LOT of time outside with the kids this year again and since the Mosquitoes love me to death I can’t wait for our yard to be Mosquito free!!!

Mosquito Control

How do mosquitoes survive collisions with raindrops?

While here in Michigan the Snow just comes down inch by inch I was wondering about all melting snow that we’ll have very soon and how big of an impact this will have on our 2014 season. I stumbled over this very interesting article about how mosquitoes survive collisions with raindrops. Who ever thought about […]

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While here in Michigan the Snow just comes down inch by inch I was wondering about all melting snow that we’ll have very soon and how big of an impact this will have on our 2014 season. I stumbled over this very interesting article about how mosquitoes survive collisions with raindrops. Who ever thought about this very topic? I’m glad I found this and would like to share it with you. Very great information:

“Just as da Vinci looked at birds as inspiration for his sketches of airplanes about 500 years ago, engineer David Hu of the Georgia Institute of Technology is taking a close look at mosquitoes to understand how they can withstand the pounding of heavy rainfall.

This isn’t just idle curiosity: Hu’s research could help improve the design of insect-sized flying robots, which he says are being designed for use in military surveillance and search-and-rescue operations.

Hu is an assistant professor of mechanical engineering and biology at Georgia Tech in Atlanta. His research findings appeared in Monday’s online edition of theProceedings of the National Academy of Sciences.

His research looked at how mosquitoes, which often thrive in rainy, windy regions — and have done so for at least 170 million years — manage to survive impacts with raindrops during flight.

“These raindrops are moving at a very high speed of about 22 mph, which is too fast for mosquitoes to dodge while in flight,” he says.

Though similar in size to mosquitoes, a single raindrop can weigh more than 50 times what a mosquito does. (In fact, a mosquito has the same ratio to a raindrop as a person would while trapped under the wheel of a car.)

Hu’s team at Georgia Tech used high-speed cameras to film mosquitoes flying in a cage exposed to a water jet, which simulated rainfall. The study authors found that a mosquito’s strong exoskeleton and low mass render it impervious to falling drops and help them survive collisions.

“The mosquito’s low mass causes raindrops to lose little momentum upon impact and so impart correspondingly low forces to the mosquitoes,” the authors write in the study. How low mass? A typical mosquito weighs about one-ten-thousandth of an ounce.

“If you were to scale up the impact to human size, we would not survive,” says study co-author Andrew Dickerson, a doctoral student at Georgia Tech. “It would be like standing in the road and getting hit by a car.

“Likening it to the principle of Tai Chi, where the idea is to allow an opponents’ force to go through or around you, Hu says the mosquito and the raindrop fall together for about 20 body lengths, then release each other.

“They ride the drop, then reduce the force,” Hu says.

All the mosquitoes in the study survived the collisions.

Though there had been many studies of insect flight, he says, this is the first study that looked at how mosquitoes interact with water using high-speed video cameras.

The study was funded by the National Science Foundation.

Mosquitoes are carriers of deadly diseases such as malaria, which kills hundreds of thousands of people each year around the world, according to the World Health Organization.

Hu’s lab at Georgia Tech focuses partly on how animals and insects interact with water. A previous study looked at how fire ants survive flooding by grouping together as a raft, which can float effortlessly for days. Another looked at how dogs shake off water.”

Source: http://usatoday30.usatoday.com/weather/research/story/2012-06-04/mosquitoes-raindrops/55382230/1

Mosquito Control

Where are the Mosquitoes during the Winter Months?

“Believe it or not, the mosquitoes are out there, even in winter. They’re just hiding so we don’t notice them. Absent unseasonably warm weather, mosquitoes remain inactive through the winter months. Some mosquitoes lay winter hardy eggs which lie dormant in the soil until spring. In late summer or fall, the female mosquito lays her eggs […]

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“Believe it or not, the mosquitoes are out there, even in winter. They’re just hiding so we don’t notice them. Absent unseasonably warm weather, mosquitoes remain inactive through the winter months.

Some mosquitoes lay winter hardy eggs which lie dormant in the soil until spring. In late summer or fall, the female mosquito lays her eggs singly in areas where the ground is moist. The eggs hatch when conditions become favorable again, usually in the spring when temperatures begin to rise and sufficient rain falls.

Certain mosquitoes can survive winter in the larval stage. All mosquito larvae require water, even in winter. As the water temperature drops, it induces a state of diapause in the mosquito larvae, suspending further development and slowing metabolism. Development resumes when the water warms again.

Many mosquito species live through the winter as adults. In fall, the mosquitoes mate and the males die. Only females spend the cold months hidden in protected places, such as hollow logs or animal burrows. When warm weather returns, the females must first find a bloodmeal to develop her eggs. Just when you’re outside enjoying the spring weather, the newly awakened mosquito moms are out in force, looking for blood. Once they’ve fed, the female mosquitoes lay their eggs in whatever standing water they can find.”

Source: http://insects.about.com/od/flies/f/wintermosquito.htm