Drawn to
your face by the carbon dioxide you exhale, and the warmth it radiates, there isn’t
a more annoying moment than that high pitched whine in your ear late at night.
You swat at it blindly in hopes of successful contact, but you know you’ll have
to get up, turn the light on, and hunt it down if you ever what to get back to sleep
again.
Adult mosquitoes usually mate within a few days after emerging
from the pupa stage. In most species, the males form large swarms, usually around
dusk, and the females fly into the swarms to mate.
After obtaining a full blood meal,
the female will rest for a few days while the blood is digested and eggs are
developed. This process depends on the temperature, but usually takes two to
three days in tropical conditions. Once the eggs are fully developed, the
female lays them and resumes host-seeking.
The cycle repeats itself until the
female dies. While females can live longer than a month in captivity, most do
not live longer than one to two weeks in nature. Their lifespan depends on
temperature, humidity, and their ability to successfully obtain a blood meal while
avoiding predators. By being that “predator” you can theoretically remove 100 to 300 from the annoyance equation by killing one
female.
Like all flies, mosquitoes go
through four stages in their life cycle: egg,
larva,
pupa, and adult.
The first three stages typically last 5–14 days, depending on the species and
the ambient temperature.
What drives us crazy though is the
itching that comes after the bite. This itching is because of the saliva the
bug creates to do the job.
Scientists have isolated 20 dominant
proteins
in this saliva, half of these they can’t ascribe a function to. But they know it holds
great promise in the development of anti-clotting drugs, such as clotting
inhibitors and capillary dilators that could be useful for cardiovascular
disease.
Funny how this little flying annoyance still baffles the scientific world.
We look at it and say, “Why did God create this little blood sucker?” It might
just save your life someday.
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