Spectral preferences of mosquitos are altered by odors
bioRxiv (Cold Spring Harbor Laboratory),
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 6, 2025
Abstract
Vision
underlies
many
important
behaviors
in
insects
generally
and
mosquitos
specifically.
Mosquito
vision
plays
a
role
predator
avoidance,
mate
finding,
oviposition,
locating
vertebrate
hosts,
vectoring
disease.
Recent
work
has
shown
that
when
sensitized
to
CO2,
the
visual
responses
of
Aedes
aegypti
are
wavelength-dependent,
but
little
is
known
about
how
other
olfactory
stimuli
can
modulate
responses.
The
cues
associated
with
flowers,
or
oviposition
sites
differs
substantially
it
possible
odors
might
prime
mosquito
system
respond
these
different
resources.
To
investigate
interplay
cues,
we
adapted
previously
used
wind
tunnel
bioassays
use
quasi-monochromatic
targets
(390-740
nm)
created
novel
LED
synth.
We
coupled
CO2
representative
floral
nectar
assessed
via
3D
tracking
female
mosquitos.
When
alone
present,
observe
lower
preference
for
wavelengths
green
portion
visible
spectrum
gradual
increase
as
moved
towards
violet
red
ends
spectrum.
However,
both
flowers
sites,
observed
significant
increases
(475-575
stimuli.
In
contrast
host
odor
was
saw
increased
across
entire
These
shifts
spectral
preferences
suggest
not
fixed
shift
depending
on
behavioral
context.
Language: Английский
Problem formulation for a small-scale field study of non-gene drive, genetically modified, male bias mosquitoes in Burkina Faso
Human and Ecological Risk Assessment An International Journal,
Journal Year:
2025,
Volume and Issue:
unknown, P. 1 - 39
Published: April 2, 2025
Language: Английский