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Why Are Mosquitoes So Prevalent In DC?

Washington, DC is home to some of the most beautiful sites in America, including the Lincoln Memorial and the Washington National Cathedral. Unfortunately, DC is also a breeding ground for several types of mosquitos, including the dreaded Asian Tiger mosquito.

Over the years, it seems as though the mosquito population in the DC area is growing out of control. The cases of West Nile Virus have increased over the past decade, and in 2002, there were two Loudoun County teenagers diagnosed with malaria, bitten in their backyards!

Right Place, Right Time

Why are mosquitos so prevalent in DC? There are several factors contributing to this growing problem.

Since their introduction to the US back in the 1980s, the Asian Tiger has become the most invasive and aggressive mosquito in the country. Unlike “traditional” mosquitos, which mainly attack in the morning or at dusk, the Asian Tiger will bite anyone at any time. Because of its aggressiveness and power, the Asian Tiger has beaten out less dominant mosquito species, causing a boom in its population.

Without diving into the politics of global warming, studies have shown that because average temperatures are slowly rising each year, mosquitos are moving further north. Also, because of higher temperatures, mosquitos are living longer and prolonging their winter hibernation.

Another reason why mosquitos like Washington, DC is because of the area’s natural geography, climate, and population. Because temperatures in DC don’t stay freezing for more than a day or two (usually), dormant mosquitos and their eggs don’t get damaged. Additionally, there are several bodies of water in DC, offering prime breeding grounds for all types of mosquitos.

Finally, mosquitos are so prevalent in DC because it is one of the most populated cities in the USA and one of the most frequented tourist spots. More people equal more food for blood-hungry mosquitos! More people also means more trash, more debris, and more opportunities for water reservoirs, all of which can increase mosquito breeding.

What You Can Do!

Despite Washington, DC becoming heavily burdened with Asian Tiger mosquitos, you can still play your part in limiting their spread. Keep pools, and wheelbarrows covered, and turn over or remove any objects that can hold water. If you use rain barrels to harvest water, consider using Mosquito Dunks, which kills mosquito larvae but is harmless to humans.

Also, make sure you remove any debris and yard waste, as mosquitos love to make their nest and hibernate in leaves, trash, and other “cozy” spaces.

No matter the type of mosquito, even the fearsome Asian Tiger, DC Mosquito Squad is equipped with the power to eliminate over 95 percent of mosquitos, ticks, or stink bugs from your yard with our highly effective barrier treatment. 

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