Pest Management Science,
Journal Year:
2020,
Volume and Issue:
77(2), P. 963 - 969
Published: Sept. 28, 2020
Abstract
BACKGROUND
Permethrin
has
been
used
frequently
in
the
control
of
Musca
domestica
worldwide
including
Pakistan,
with
reports
resistance
development
different
field
strains.
A
near‐isogenic
line
M.
permethrin
(Perm‐R)
was
constructed
to
elucidate
mode
inheritance
and
cross‐resistance
analyses.
RESULTS
Toxicity
responses
reciprocal
progenies
F1
F1′
showed
no
significant
difference
median
lethal
dose
(LD
50
)
values,
suggesting
that
inherited
an
autosomal
fashion
neither
sex
linkage
nor
maternal
effects
Perm‐R
strain
.
Degree
dominance
0.6
0.7
for
progenies,
respectively,
which
suggests
expressed
as
incompletely
dominant
trait.
Chi‐square
analyses
self‐bred
(F2),
backcross
(BC1,
BC2,
BC3
BC4)
revealed
differences
between
observed
expected
mortality,
indicating
possibility
multiple
genes
responsible
resistance.
Moreover,
did
not
show
propoxur,
chlorpyrifos,
profenofos
or
spinetoram.
CONCLUSION
autosomal,
governed
by
more
than
one
gene.
Lack
spinetoram
provides
opportunity
rotational
use
these
insecticides
These
data
could
help
manage
problem
Insects,
Journal Year:
2025,
Volume and Issue:
16(4), P. 387 - 387
Published: April 4, 2025
With
over
1000
species
of
pests
causing
losses
in
both
the
quantity
and
quality
stored
food,
insect
contamination
poses
significant
challenges.
The
present
study
assesses
efficacy
combination
λ-cyhalothrin
chlorantraniliprole
against
four
key
storage
pests—Trogoderma
granarium,
Sitophilus
oryzae,
Rhyzopertha
dominica,
Tribolium
castaneum.
Laboratory
bioassays
demonstrated
species-dependent
mortality,
with
S.
oryzae
R.
dominica
suffering
100%
mortality
several
tested
scenarios.
A
90-day
persistence
trial
revealed
decreased
time,
especially
for
T.
granarium
(32.0–71.4%
at
0
days
0.0–7.5%
90
days)
castaneum
(38.8–82.7%
0.0–12.7%
vs.
dominica.
Progeny
production
was
almost
suppressed
trials
(0.4
individuals
per
vial
1
individual
vial,
respectively)
after
30
dose
5
mg/kg
wheat.
results
highlight
variability
insecticidal
performance
based
on
species,
dose,
exposure,
commodity
type,
emphasizing
need
tailored
pest
management
strategies
environment.
Crop Protection,
Journal Year:
2024,
Volume and Issue:
179, P. 106617 - 106617
Published: Feb. 9, 2024
Tuta
absoluta
(Meyrick)
(Lepidoptera:
Gelechiidae)
is
a
major
threat
to
worldwide
tomato
production,
and
sustainable
management
methods
are
needed.
Betabaculovirus
phoperculellae
(PhopGV)
the
parasitoid
wasp
Necremnus
tutae
Ribes
&
Bernardo
(Hymenoptera:
Eulophidae)
were
identified
as
promising
biocontrol
agents
of
this
pest.
Since
virus
most
effective
against
first
instar
larvae,
whereas
targets
older
ones,
combining
both
could
result
in
increased
pest
control.
We
conducted
replicated
semi-field
experiment
evaluate
control
efficacy
N.
PhopGV
when
used
alone
combination
T.
their
compatibility
over
an
entire
growth
period.
Combining
two
achieved
highest
larval
(−24
%)
crop
damage
(−29
reduction
cumulated
experiment.
However,
there
was
no
significant
additive
effect
agents.
At
end
trial,
which
coincided
with
emergence
third
generation
adults,
using
resulted
strongest
adult
density
(−78
%),
followed
by
virus-parasitoid
(−59
%).
No
negative
recorded
on
population.
Our
results
demonstrate
potential
reduce
population
under
conditions.
While
more
research
needed,
our
findings
provide
important
insights
into
innovative
agents,
thereby
contributing
agriculture.
