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No-See-Ums - Biting Insect Library


No-See-Ums are also referred to as Biting Midges, Biting Gnats, Punkies or Sand Flies.  They are so small they can get through screens on windows and doors, which means some form of protection against No-See-Ums is necessary.  Besides causing painful bites, they can also be vectors of diseases, particularly in tropical regions.


Even if a No-See-Ums is not a vector of disease, it can still be a pest, ending up in a person’s mouth, nose, ears, and eyes.




Interesting Facts

Both No-See-Ums and Gull Midges are the only pollinators of the cacao tree, from which we get cocoa beans for our chocolate.


Although the larval stage generally takes about 28 days, it can last up to a year in certain species in cold climates.


In tropical regions, larvae can even be found in rotting fruit.


Scotland is known for its “biting midges,” as these pests are called there.  Depending on their species, these flies will bite other insects, birds and mammals, including humans.  The most prevalent midge in many parts of Scotland is the Highland midge which prefers to breed in woodland, pastures and areas with particular moor grasses.  There is concern that these biters can affect outdoor workers as well as tourists.  This creates a need for effective protection against No-See-Ums.


Blue Tongue is a disease transmitted to livestock but not to humans.


Insecticides, larvicides and repellents are either useless or very limited in their success in fighting No-See-Ums.  Even DEET offers only limited No-See-Ums protection.


There are screens which are of a much narrower weave that can be used on windows to help prevent no-see-ums from entering a home.  Regular size screens have too wide of spacing between the weaving to prevent the entry of these tiny pests.


Midges have been found on Mount Everest!


No-see-ums are known as “knotts” in Norway, “Moose Flies” in Canada and “meanbh-chuileag” (tiny fly) in Gaelic-speaking countries.


It is believed that biting midges are drawn to mammals, including humans by detecting certain odors we emit, particularly the odor of carbon dioxide and the odor of lactic acid.  That means that CO2 mosquito traps offer an effective form of No-See-Um protection.  Learn about the No-See-Ums breeding cycle and where No-See-Ums live.






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scientifically proven no-see-um control solution

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