Aedes (Ochlerotatus) scapularis, Aedes japonicus japonicus, and Aedes (Fredwardsius) vittatus (Diptera: Culicidae): Three Neglected Mosquitoes with Potential Global Health Risks
Vivian Petersen,
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Micael Santana,
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Maria Karina-Costa
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et al.
Insects,
Journal Year:
2024,
Volume and Issue:
15(8), P. 600 - 600
Published: Aug. 8, 2024
More
than
3550
species
of
mosquitoes
are
known
worldwide,
and
only
a
fraction
is
involved
in
the
transmission
arboviruses.
Mosquitoes
sylvatic
semi-sylvatic
habitats
may
rapidly
adapt
to
urban
parks
metropolitan
environments,
increasing
human
contact.
Many
these
have
been
found
naturally
infected
with
arboviruses
from
Alphaviridae,
Flaviviridae,
Bunyaviridae
families,
many
being
cause
medically
important
diseases.
However,
there
gap
knowledge
about
vector
status
newly
invasive
their
potential
threat
domestic
animal
populations.
Due
rapid
distribution,
adaptation
anthropophilic
habits,
some
neglected
mosquito
deserve
more
attention
regarding
role
as
secondary
vectors.
Taking
factors
into
account,
we
focus
here
on
Aedes
(Ochlerotatus)
scapularis
(Rondani),
japonicus
(Theobald),
(Fredwardsius)
vittatus
(Bigot)
that
become
disease
We
further
discuss
importance
how
such
urbanization,
climate
change,
globalization
profoundly
alter
dynamics
increase
participation
propagating
Language: Английский
Bacillus velezensis as a Novel Species for Mosquito Control: Impacts of Exposure on Key Life History Traits of Culex quinquefasciatus
Insects,
Journal Year:
2025,
Volume and Issue:
16(4), P. 434 - 434
Published: April 20, 2025
Bacillus
velezensis
is
a
promising
mosquito
vector
biocontrol
agent
due
to
its
potent
larvicidal
properties.
This
study
investigated
the
lethal
and
sublethal
effects
of
exposure
crude
toxin
B.
strain
WHk23
on
Culex
quinquefasciatus.
Toxicity
bioassays
showed
median
concentration
28.30
µg/mL
for
third
instar
larvae.
In
addition
direct
larval
mortality,
exposures
resulted
in
concentration-dependent
decreases
survival,
fecundity,
fertility.
Exposure
different
concentrations
was
found
accelerate
development,
resulting
larger
females,
yet
those
females
exhibited
lower
lifespan
diminished
reproductive
success.
These
results
suggest
that
not
only
reduces
populations
but
also
has
lasting
important
life
history
parameters,
ultimately
lowering
vectorial
capacity
disease
transmission
risk.
provides
valuable
insights
into
consequences
exposure.
Given
properties,
represents
vectors.
Language: Английский
Biotechnological Potential of Microorganisms for Mosquito Population Control and Reduction of Vector Competence
Published: June 23, 2023
Mosquitoes
transmit
pathogens
that
cause
human
diseases
such
as
malaria,
Dengue
fever,
Chikungunya,
yellow
Zika
and
filariasis.
Chemical
pesticides
are
effective
instruments
for
reducing
disease
transmission
managing
mosquito
populations.
However,
these
chemicals
have
drawbacks
high
production
costs
negative
effects
on
the
environment
non-target
organisms.
Furthermore,
mosquitoes
develop
resistance
to
chemical
insecticides,
they
become
less
effective.
As
a
result,
researchers
investigating
novel
insecticides.
Advances
in
microbial
biotechnology
resulted
wide
range
of
value-added
products,
including
biopesticides
agricultural
public
health
purposes.
In
this
review,
we
highlight
mainly
untapped
biotechnological
potential
microorganisms
vector
control
reduction.
Also,
underline
importance
more
basic
research
improved
translational
methodologies,
encouraging
efforts
bridge
gap
between
academic
interventions.
Language: Английский
Isolation of a Novel Pythium Species, P. thermoculicivorax, and Trichoderma sp. from Natural Enzootic Mosquito Larval Infections
Ross Joseph,
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Constance Darrisaw,
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Aaron Lloyd
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et al.
Journal of Fungi,
Journal Year:
2024,
Volume and Issue:
10(3), P. 199 - 199
Published: March 5, 2024
Only
a
handful
of
microbial
mosquito
larval
pathogens
have
been
described
to
date.
Sampling
several
natural
enzootic
infections
larvae
in
southwestern
Florida
indicated
the
presence
capable
extensive
mortality.
A
microscopic
analysis
one
sample
site
revealed
apparent
growth
Pythium-like
microbe
on
larvae,
with
highest
degree
infection
observed
siphon
and
head
regions.
Structures
consistent
sporangia
were
seen
infected
insects
after
lactophenol
blue
staining,
higher-resolution
scanning
electron
microscopy
(SEM)
micrographs
showed
encysted
zoospores
targeting
The
isolate
was
single-colony
purified,
molecular
identification
ITS
COX1
loci
coupled
phylogenetic
reconstruction
that
belonged
Pythium
genus
but
distinct
from
its
closest
characterized
species,
P.
inflatum.
Morphological
features
characterized,
showing
rapid
all
mycological
media
tested
relatively
high
thermotolerance,
robust
at
37
°C;
hence,
it
designated
thermoculicivorax.
second
series
resulted
three
Trichoderma
isolates,
similarity
T.
strigosum
other
two
clustering
closely
asperellum.
These
data
highlight
occurrence
potentially
as
resource
for
new
pathogens.
Language: Английский