International Journal of Molecular Sciences,
Journal Year:
2023,
Volume and Issue:
24(6), P. 5595 - 5595
Published: March 15, 2023
Spodoptera
frugiperda
is
a
worldwide
generalist
pest
with
remarkable
adaptations
to
environments
and
stresses,
including
developmental
stage-related
behavioral
physiological
adaptations,
such
as
diverse
feeding
preferences,
mate
seeking,
pesticide
resistance.
Insects'
odorant-binding
proteins
(OBPs)
chemosensory
(CSPs)
are
essential
for
the
chemical
recognition
during
responses
or
other
processes.
The
genome-wide
identification
gene
expression
patterns
of
all
these
identified
OBPs
CSPs
across
S.
have
not
been
reported.
Here,
we
screened
SfruOBPs
SfruCSPs,
analyzed
SfruCSPs
repertoires
stages
sexes.
We
found
33
22
in
genome.
majority
SfruOBP
genes
were
most
highly
expressed
adult
male
female
stages,
while
more
SfruCSP
larval
egg
indicating
their
function
complementation.
revealed
strong
correlations
respective
phylogenic
trees,
correlation
between
evolution.
In
addition,
chemical-competitive
binding
widely
protein,
SfruOBP31,
host
plant
odorants,
sex
pheromones,
insecticides.
Further
ligands
assay
broad
functional
related
spectrum
SfruOBP31
insecticides,
suggesting
its
potential
food,
These
results
provide
guidance
future
research
on
development
regulators
environmentally
friendly
pest-control
strategies.
EFSA Supporting Publications,
Journal Year:
2025,
Volume and Issue:
22(2)
Published: Feb. 1, 2025
Abstract
In
2022,
EFSA
was
mandated
by
the
European
Commission's
Directorate‐General
for
Health
and
Food
Safety
(M‐2022‐00070)
to
provide
technical
assistance
on
list
of
Union
quarantine
pests
qualifying
as
priority
pests,
specified
in
Article
6(2)
Regulation
(EU)
2016/2031
protective
measures
against
plant
pests.
As
part
Task
C,
conducted
comprehensive
expert
knowledge
elicitations
candidate
focusing
lag
period,
rate
expansion
impact
production
(yield
quality
losses)
environment.
This
report
provides
rationale
dataset
Spodoptera
frugiperda,
delivered
Joint
Research
Centre,
feed
into
Impact
Indicator
Priority
Pest
(I2P2)
model
complete
pest
prioritisation
ranking
exercise.
Insects,
Journal Year:
2025,
Volume and Issue:
16(2), P. 218 - 218
Published: Feb. 17, 2025
The
fall
armyworm
(FAW),
Spodoptera
frugiperda,
is
one
of
the
major
agricultural
pests
that
has
invaded
China.
FAW
a
polyphagous
insect
with
gramineous
crop
sorghum
being
key
host
plant.
However,
basis
sorghum’s
chemical
defense
against
feeding
still
unclear.
In
this
study,
we
investigated
potential
defensive
mechanism
species.
It
was
found
larvae
preferred
maize
over
sorghum,
selection
and
damage
rates
for
plants
by
were
significantly
lower
than
those
plants,
on
restricted
larval
weight.
non-target
metabolomics
revealed
altered
plant
secondary
metabolite
spectra
in
resulting
species-specific
differential
metabolites
(DSMs).
Of
these,
19
DSMs
specific
maize,
51
only
6
both
Two-choice
no-choice
assays
gambogenic
acid
chimonanthine,
two
unique
to
deter
decrease
These
findings
reveal
regulated
changing
response
induced
have
function
acting
as
antifeedants,
which
provides
new
insights
into
employing
bioactive
compounds
insects.
CABI Reviews,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 20, 2025
Abstract
Fall
armyworm
(FAW)
is
a
serious
pest
of
maize
causing
major
yield
loss
throughout
the
world.
FAW
management
not
easy
primarily
due
to
its
ability
migrate
into
areas
lacking
resistant
cultivars,
lack
diapause,
and
evolving
resistance
control
measures.
Here,
we
discuss
genetics
both
deployment
genetic
including
historical
breeding
efforts,
transgenic
Bt
traits,
gene
identification
studies
promote
marker-assisted
selection,
various
recent
advancements
accelerate
improvement
such
as
genome
editing,
genomic
high
throughput
phenotyping,
RNAi.
can
also
be
achieved
using
an
integrated
approach.
Challenges
IPM
include
climate
change,
complex
cropping
systems
wide
range
hosts
for
FAW.
We
suggest
that
multinational
cooperative
public
private
research
will
needed
create
insect
(IIRM)
approach
tying
together
crop,
pest,
predators;
agronomic
monitoring
methods;
changing
environment.
This
give
breeders
time
use
advanced
plant
techniques
deploy
cultivars
with
stress
resilience,
stability
grain
quality.
