Non-target effects of neurotoxic insecticides on Ganaspis cf. brasiliensis, a classical biological control agent of the spotted wing Drosophila
CABI Agriculture and Bioscience,
Journal Year:
2024,
Volume and Issue:
5(1)
Published: May 27, 2024
Abstract
Background
The
spotted
wing
drosophila,
Drosophila
suzukii
,
is
an
invasive
pest
causing
significant
economic
losses
worldwide.
Current
control
strategies
mainly
rely
on
insecticides,
which
negatively
impact
fruit
marketability
and
the
sustainability
of
integrated
management
(IPM)
programs.
In
addition,
pesticides
can
have
dramatic
consequences
non-target
species
when
persisting
in
environment
at
low
concentrations
after
field
applications.
this
context,
chemical
strongly
interfere
with
releases
G1
strain
Asian
larval
parasitoid
Ganaspis
cf
.
brasiliensis
currently
adopted
classical
biological
agent
to
manage
D.
infestations
Methods
Probit
analysis
was
used
assess
baseline
toxicity
acetamiprid,
cyazypyr,
lambda-cyhalothrin,
phosmet,
spinosad
G.
adults
through
residual
contact
exposure
laboratory.
Then,
adult
parasitoids
were
exposed
insecticide
Lethal
Concentrations
(LC
5
LC
30
)
their
mortality
checked
daily
survival
treated
wasps.
Results
Lambda-cyhalothrin
showed
highest
a
50
1.38
×
10
–3
g
active
ingredient
(a.i.)
/L,
while
cyazypyr
seemed
safer
estimated
0.20
a.i./L
without
affecting
sublethal
doses.
Spinosad
phosmet
significantly
reduced
wasp
both
lambda-cyhalothrin
acetamiprid
affected
lifespan
only
Spinosad,
caused
major
reductions,
followed
by
least
reduction
21.6%
Conclusions
Overall,
study
highlighted
importance
carefully
selecting
insecticides
minimize
adverse
effects
organisms.
particular,
most
promising
candidate
integrate
inoculative
treatments.
By
contrast,
application
should
be
avoided
alongside
releases.
Although
less
against
than
other
tested
molecules,
it
caution
due
its
parasitoid.
These
results
provide
first
evidence
G
cf.
susceptibility
order
promote
sustainable
efficient
strategies.
Language: Английский
Non-target effects of bioinsecticides on natural enemies of arthropod pests
Current Opinion in Environmental Science & Health,
Journal Year:
2025,
Volume and Issue:
unknown, P. 100624 - 100624
Published: April 1, 2025
Language: Английский
Harmful to Parents, Harmless to Offspring: Lethal and Transgenerational Effects of Botanical and Synthetic Insecticides on the Egg Parasitoid Trichogramma atopovirilia
Insects,
Journal Year:
2025,
Volume and Issue:
16(5), P. 493 - 493
Published: May 5, 2025
This
study
investigated
the
lethal
and
transgenerational
effects
of
botanical
synthetic
insecticides
on
egg
parasitoid
Trichogramma
atopovirilia,
an
important
natural
enemy
Spodoptera
frugiperda
in
Brazil
beyond.
The
treatments
were
assessed
for
their
impact
parasitism,
emergence,
sex
ratio,
flight
capacity
adults
exposed
to
contaminated
eggs.
insecticide
ESAM
(ethanolic
seed
extract
Annona
mucosa)
significantly
reduced
parasitism
F0
generation
by
99.76%,
categorizing
it
as
toxic.
Anosom®
[acetogenins
(annonin
a
major
component)]
Azamax®
[limonoids
(azadirachtin
+
3-tigloilazadirachtol)]
also
caused
substantial
reductions
(99.13%
92.36%,
respectively)
rate.
EFAMON
leaf
montana)
62%,
while
Premio®
(chlorantraniliprole)
resulted
28.21%
reduction.
In
F1
generation,
emergence
rates
EFAMON,
Azamax®,
exceeded
70%,
showing
no
significant
differences
from
negative
control
(82%),
lower
rate
61.39%.
No
observed
ratio
or
F2
generations.
Most
reached
high
(above
80%).
These
results
indicate
that
was
toxic,
other
showed
effects.
Our
findings
contribute
understanding
selectivity
highlight
importance
such
studies
sustainable
management
S.
within
integrated
pest
programs.
Language: Английский
Toxicity of Pesticides Applied in European Vineyards on Anagyrus vladimiri and Trichogramma evanescens, Parasitoids of Planococcus ficus and Lobesia botrana
Ramzi Mansour,
No information about this author
Anna Lena Bauer,
No information about this author
Maryam Goodarzi
No information about this author
et al.
Insects,
Journal Year:
2023,
Volume and Issue:
14(12), P. 907 - 907
Published: Nov. 24, 2023
Risk
assessments
of
chemical
pesticides
toward
natural
enemies
are
crucial
for
ensuring
sustainable
grapevine-integrated
pest
management.
In
this
context,
laboratory
experiments
were
conducted
to
evaluate
the
toxicity
four
insecticides
(lambda-cyhalothrin,
flupyradifurone,
acetamiprid,
and
cyantraniliprole)
one
fungicide
(spiroxamine)
commonly
applied
in
German
(European)
vineyards
on
pupae
adults
both
Anagyrus
vladimiri,
a
parasitoid
vine
mealybug
Planococcus
ficus,
Trichogramma
evanescens,
European
grapevine
moth,
Lobesia
botrana.
The
tested
did
not
significantly
affect
development
pupal
stage
inside
mummies
or
emergence
A.
vladimiri.
spiroxamine
resulted
highest
mortality
percentages
all
emerged
vladimiri
parasitoids
at
8
10
days
after
treatment
compared
with
either
lambda-cyhalothrin
cyantraniliprole.
However,
pesticides,
except
diamide
insecticide
cyantraniliprole,
affected
T.
evanescens.
evanescens
following
application
flupyradifurone
higher
than
those
observed
acetamiprid
treatment.
Regarding
direct
contact
toxicity,
(100%)
adult
obtained
treatments,
while
lowest
lambda-cyhalothrin,
untreated
control
treatments.
According
IOBC
classes
classified
as
harmful,
cyantraniliprole
slightly
harmful
adults.
As
such,
had
significant
impact
survival
exposed
resulting
found
Therefore,
applying
and/or
should
be
avoided
when
naturally
present
released
grapes.
insights
gained
from
these
two
easy-to-rear
species
allow
analogous
conclusions
drawn
closely
related
belonging
family
Encyrtidae
Trichogrammatidae,
which
easy
rear.
Interestingly,
using
safer
could
compatible
species,
sustainably
exploited
conservation
augmentative
biological
vineyards.
Language: Английский