Aedes aegypti
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Aedes aegypti
Aedes
aegypti,
commonly
known as
the
yellow
fever
mosquito,
is a
mosquito
that can
host the
dengue
fever,
Chikungunya
and
yellow
fever
viruses
(and
other
diseases
as
well).
One
group of
researchers
recently
proposed
that A.
aegypti
be
renamed
Stegomyia
aegypti
, but
this
proposal
has yet
to be
widely
accepted
by the
scientific
community.
The
mosquito
can be
recognized
by white
markings,
although
other
mosquitos
may have
only
slightly
different
patterns.[citation
needed]
The
mosquito
is most
frequently
found in
the
tropics
; it has
some
presence
in the
southeastern
United
States
(such as
the
lower
half of
Florida),
but it
seems to
have
been
competitively
displaced
by the
introduction
of Aedes
albopictus
The genome of this species of mosquito was mapped, and published on 2007-05-17. The effort in mapping its DNA was intended to provide new avenues for research into insecticides and possible genetic modification to prevent the spread of disease. This was the second mosquito species to have its genome mapped in full. The first was Anopheles gambiae. The published data included the 1.38 billion base pairs containing the insect's estimated 15,419 protein encoding genes. The sequence indicates that the species diverged from Drosophila melanogaster (the common fruit fly) about 250 million years ago, and that Anopheles gambiae and this species diverged about 150 million years ago. Spread of disease and prevention The CDC traveler's page on preventing dengue fever suggests using mosquito repellents that contain DEET (N, N-diethylmetatoluamide). It also explains the following: 1) Although it may feed at any time, the mosquito bites humans only between a few hours after dawn until an hour or so after sunset. 2) The mosquito's preferred breeding areas are in areas of stagnant water, such as flower vases, uncovered barrels, buckets, and discarded tires, but the most dangerous areas are wet shower floors and toilet bowls, as they allow the mosquitos to breed right in the residence. |
Kumkum / safron - Crocus sativus
Crocuses belong to the family Iridaceae. The saffron crocus is classified as Crocus sativus, It is a shrub. Leaves are seen towards the base of the stem and are compactly arranged.Read More about safron.....
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