Sublethal chemical stimulation of arthropod parasitoids and parasites of agricultural and environmental importance
Environmental Research,
Journal Year:
2023,
Volume and Issue:
237, P. 116876 - 116876
Published: Aug. 11, 2023
Language: Английский
Sublethal and hormetic effects of the fungicide tebuconazol on the biology of a nontarget pest insect, Musca domestica
The Science of The Total Environment,
Journal Year:
2025,
Volume and Issue:
973, P. 179155 - 179155
Published: March 17, 2025
Language: Английский
PARASITOIDS AS BIOCONTROL AGENTS IN INDIA
S. Kumaraswamy,
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Sindhura Kopparthi Av,
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R. H.
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et al.
Current Opinion in Insect Science,
Journal Year:
2024,
Volume and Issue:
66, P. 101282 - 101282
Published: Oct. 12, 2024
Language: Английский
Functional response of an egg parasitoid,Trichogramma chilonisIshii to sublethal imidacloprid exposure
Pest Management Science,
Journal Year:
2023,
Volume and Issue:
79(10), P. 3656 - 3665
Published: May 13, 2023
The
effectiveness
of
a
biological
control
agent
depends
on
how
well
it
can
pests
and
compatible
is
with
pesticides.
Therefore,
we
reported
the
multigenerational
effect
commonly
used
insecticide,
imidacloprid,
functional
response
widely
acclaimed
egg
parasitoid,
Trichogramma
chilonis
Ishii,
to
different
densities
host
Corcyra
cephalonica
Stainton
eggs.
study
investigated
outcomes
median
lethal
concentration
(LC50
)
sublethal
concentrations
(LC5
,
LC30
),
along
treatments
for
five
continuous
generations
(F1
F5
).The
results
showed
that
generation
both
F1
LC50
all
had
Type
II
response.
A
I
was
exhibited
LC5
.
attack
rate
eggs
treated
did
not
change
(decrease)
shift
in
type
as
compared
control.
significant
increase
searching
efficiency
(a)
observed
later
(F5
under
exposure
imidacloprid
concentrations.
lower
handling
time
(Th
followed
by
individuals
when
treatments.
per
capita
parasitization
(1/Th
(a/Th
were
also
considerably
higher
than
thereby
implying
positive
effects
potential
T.
chilonis.Altogether,
these
could
be
leveraged
intractable
lepidopteran
mild
integrated
pest
management
(IPM)
programs
mass
rearing
chilonis.
©
2023
Society
Chemical
Industry.
Language: Английский
Effect of sublethal concentrations of the bioinsecticide spinosyn treatment of Trichoplusia ni eggs on the caterpillar and its parasitoid, Trichogramma brassicae
Pest Management Science,
Journal Year:
2024,
Volume and Issue:
80(6), P. 2965 - 2975
Published: Feb. 1, 2024
Integrated
Pest
Management
(IPM)
seeks
to
combine
multiple
management
strategies
for
optimal
pest
control.
One
method
that
is
successfully
employed
in
IPM
the
use
of
beneficial
organisms.
However,
severe
circumstances
when
insects
exceed
threshold
limits,
insecticides
may
still
need
be
implemented.
Thus,
understanding
effects
on
biocontrol
agents,
such
as
parasitoid
wasps,
paramount
ensure
sustainable
agroecosystems.
Sublethal
bioinsecticide
spinosyn,
a
mixture
bacterial
Saccharopolyspora
spinosa
(Mertz
and
Yao)
fermentation
products
spinosyn
A
D,
eggs
Trichoplusia
ni
(Hübner),
cruciferous
crop
pest,
its
egg
Trichogramma
brassicae
(Bezdenko)
was
investigated.
Language: Английский
Impact of Imidacloprid Resistance on the Demographic Traits and Expressions of Associated Genes in Aphis gossypii Glover
Toxics,
Journal Year:
2022,
Volume and Issue:
10(11), P. 658 - 658
Published: Oct. 30, 2022
Imidacloprid
is
one
of
the
most
widely
used
neonicotinoid
insecticides
to
control
sap-sucking
insect
pests,
including
Aphis
gossypii.
The
intensive
application
chemical
A.
gossypii
led
development
resistance
against
several
insecticides,
imidacloprid.
Therefore,
it
crucial
understand
association
between
imidacloprid
and
fitness
limit
spread
resistant
population
under
field
contexts.
In
this
study,
we
age-stage,
two-sex
life
table
method
comprehensively
investigate
(ImR)
susceptible
strains
(SS)
melon
aphids.
Results
showed
that
ImR
aphids
have
prolonged
developmental
stages
decreased
longevity,
fecundity,
reproductive
days.
key
demographic
parameters
(r,
λ,
R0)
were
significantly
reduced
in
strain
compared
SS
Additionally,
molecular
mechanism
for
costs
was
investigated
by
comparing
expression
profile
juvenile
hormone-binding
protein
(JHBP),
hormone
epoxide
hydrolase
(JHEH),
acid
O-methyltransferase
(JHAMT),
Vitellogenin
(Vg),
ecdysone
receptor
(EcR),
ultraspiracle
(USP)
supposed
be
associated
with
reproduction
insects.
results
RT-qPCR
EcR,
JHBP,
JHAMT,
JHEH,
Vg
genes
downregulated,
while
USP
statistically
same
strain.
Together,
these
provide
in-depth
information
about
occurrence
magnitude
could
help
manage
evolution
populations
Language: Английский
Sublethal pesticide exposure in non-target terrestrial ecosystems: From known effects on individuals to potential consequences on trophic interactions and network functioning
Environmental Research,
Journal Year:
2024,
Volume and Issue:
260, P. 119620 - 119620
Published: July 19, 2024
Language: Английский
Sublethal phosphine fumigation induces transgenerational hormesis in a factitious host, Corcyra cephalonica
A. Nath,
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G. Basana Gowda,
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Ravi Prakash Maurya
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et al.
Pest Management Science,
Journal Year:
2023,
Volume and Issue:
79(10), P. 3548 - 3558
Published: May 15, 2023
The
rice
moth,
Corcyra
cephalonica
(Stainton)
(Lepidoptera:
Pyralidae)
is
a
pest
of
stored
grains
and
widely
used
as
factitious
host
during
the
mass
rearing
several
natural
enemies
crop
pests.
Hormesis
well-documented
in
insects,
to
some
extent
pests.We
report
transgenerational
stimulatory
effects
fumigant,
phosphine.
study
reports
consequences
sublethal,
low
lethal
median
concentrations
(LC5
,
LC25
LC50
)
untreated
control
for
two
sequential
generations
species
(G1
G2
).
In
this
study,
we
investigated
life-history
traits,
nutrient
reserves
(protein,
lipid
carbohydrate)
larval
gut
microbiome
(using
16
s
rRNA
V3-V4
metagenomics
sequencing)
C.
cephalonica.
Stimulatory
were
observed
various
biological
traits
cephalonica,
notably
adult
longevity,
emergence
increased
egg
hatchability
when
exposed
LC5
total
protein,
carbohydrate
contents
also
found
be
significantly
by
both
generations.
microbial
diversity
treated
was
higher
different
from
rest
treatments.
This
first
showing
hormesis
fumigant
insecticide.Our
findings
increase
knowledge
on
interaction
between
hormesis,
bacteria
insecticides.
Overall,
present
establishes
phosphine-induced
at
which
might
help
improve
quality
enemies.
©
2023
Society
Chemical
Industry.
Language: Английский
Prospects for Integrating Augmentative and Conservation Biological Control of Leaffolders and Stemborers in Rice
Agronomy,
Journal Year:
2022,
Volume and Issue:
12(12), P. 2958 - 2958
Published: Nov. 25, 2022
Possibilities
to
combine
augmentative
biological
control
using
Trichogramma
spp.
egg
parasitoids
and
conservation
through
habitat
manipulation,
for
the
management
of
rice
leaffolder
stemborer
pests
have
received
only
cursory
mention
in
literature.
We
reviewed
information
on
use
releases
manipulation
manage
leaffolders
stemborers
rice.
Stemborers
become
a
priority
since
1990s
with
research
focusing
mainly
Chilo
suppressalis
China
Iran,
Scirpophaga
incertulas
South
Southeast
Asia,
agamemnon
Egypt.
In
most
cases,
100
K
wasps
(T.
japonicum
or
T.
chilonis)
released
over
30–100
release
points
ha−1
at
least
once
during
early
crop
stages,
resulted
good
(>50%
reduction
damage).
Despite
positive
results
accumulated
decades,
larger
scale
been
conducted
very
recently.
Research
has
focused
manipulating
field
habitat,
particularly
along
bunds
(levees).
Several
studies
reported
higher
densities
greater
parasitism
fields
flowering
plants
compared
(without
bund
vegetation
usually
insecticides).
These
trends
attributed
nectar
as
supplementary
food
adult
wasps,
although
evidence
this
mechanism
is
weak.
Trap
plants,
such
vetiver
grass
(Chrysopogon
zizanioides)
attract
ovipositing
stemborers,
but
suppress
larval
development.
Repellent
banker
not
yet
identified
leaffolders.
outline
opportunities
challenges
combining
Language: Английский