bioRxiv (Cold Spring Harbor Laboratory),
Год журнала:
2023,
Номер
unknown
Опубликована: Окт. 20, 2023
Abstract
Predatory
mites
biologically
control
a
range
of
arthropod
crop
pests
and
are
often
central
to
agricultural
IPM
strategies
globally.
Conflict
between
chemical
biological
pest
has
prompted
increasing
interest
in
selective
pesticides
with
fewer
off-target
impacts
on
beneficial
invertebrates,
including
predatory
mites.
However,
the
mite
species
included
standardised
pesticide
toxicity
assessments
does
not
match
diversity
naturally-occurring
contributing
biocontrol,
most
testing
carried
out
from
family
Phytoseiidae.
Here,
we
aim
bridge
this
knowledge
gap
by
investigating
22
snout
Odontoscirus
lapidaria
(Kramer)
(family
Bdellidae).
Using
internationally
methodologies,
identified
several
active
ingredients
minimal
impact
O.
mortality,
Bacillus
thuringiensis
,
nuclear
polyhedrosis
virus,
flonicamid,
afidopyropen,
chlorantraniliprole
cyantraniliprole,
which
may
therefore
be
good
candidates
for
utilising
both
control.
Importantly,
reveal
differences
Bdellidae
Phytoseiidae
responses
number
chemicals,
miticides
diafenthiuron
abamectin,
highlighting
risk
making
generalisations
around
acute
based
tests
one
family.
We
also
explored
second
found
response
chlorpyrifos
compared
further
taxon-specific
nature
non-target
effects.
The Science of The Total Environment,
Год журнала:
2024,
Номер
930, С. 172521 - 172521
Опубликована: Апрель 17, 2024
Agricultural
practitioners,
researchers
and
policymakers
are
increasingly
advocating
for
integrated
pest
management
(IPM)
to
reduce
pesticide
use
while
preserving
crop
productivity
profitability.
Using
selective
pesticides,
putatively
designed
act
on
pests
minimising
impacts
off-target
organisms,
is
one
such
option
–
yet
evidence
of
whether
these
chemicals
control
without
adversely
affecting
natural
enemies
other
beneficial
species
(henceforth
beneficials)
remains
scarce.
At
present,
the
selection
pesticides
compatible
with
IPM
often
considers
a
single
(or
limited
number
of)
widely
distributed
species,
considering
undesired
effects
co-occurring
beneficials.
In
this
study,
we
conducted
standardised
laboratory
bioassays
assess
acute
toxicity
20
15
at
multiple
exposure
timepoints,
specific
aims
to:
(1)
identify
common
diverging
patterns
in
responses
tested
beneficials;
(2)
determine
if
effect
beetles,
wasps
mites
consistent
across
within
groups;
(3)
impact
mortality
assessment
timepoints
International
Organisation
Biological
Control
(IOBC)
classifications.
Our
work
demonstrates
that
most
cases,
chemical
toxicities
cannot
be
generalised
range
insects
providing
biological
control,
finding
was
found
even
when
comparing
among
closely
related
mites.
Additionally,
show
increase
length,
pointing
limitations
IOBC
protocols.
This
challenges
notion
can
adequately
'representative'
species;
instead,
it
highlights
need
careful
consideration
testing
regionally
seasonally
relevant
species.
Austral Entomology,
Год журнала:
2024,
Номер
63(1), С. 119 - 129
Опубликована: Янв. 25, 2024
Abstract
Aphids
are
a
major
pest
of
cropping
systems
throughout
the
world.
In
most
cases,
crop
aphids
controlled
with
broad‐spectrum
insecticides;
although
generally
very
effective
at
preventing
yield
loss,
this
approach
risks
non‐target
damage
to
beneficial
organisms.
last
20
years,
number
selective
insecticides
have
become
available
control
while
minimising
harm
other
arthropods.
Previous
studies
found
that
two
such
insecticides,
flonicamid
and
afidopyropen,
cause
only
low‐level
acute
mortality
impacts
on
aphid
parasitoids
in
Australian
grain
crops.
However,
little
research
has
examined
sub‐lethal
effects
these
chemicals,
which
could
induce
various
physiological
changes
impact
control.
We
hypothesised
both
afidopyropen
negative
extend
beyond
immediate
previously
published.
To
test
hypothesis,
we
undertook
series
experiments
determine
along
synthetic
pyrethroid
gamma‐cyhalothrin,
parasitism
(mummification)
rate,
emergence
rate
next
generation
sex
ratio
three
important
parasitoids,
Aphidius
colemani
(Viereck),
Diaeretiella
rapae
(M'Intosh)
Aphelinus
abdominalis
(Dalman).
Analogous
previous
research,
our
toxicity
bioassays
showed
all
had
low
(<30%)
impacts.
Although
not
be
assessed
for
D.
due
level
by
species,
findings
fecundity
surviving
A.
.
Of
particular
note
is
increase
International
Organisation
Biological
Control
ratings
moderate
(30%–80%
and/or
reproductive
reduction)
when
reduced
were
combined
overall
fitness
Gamma‐cyhalothrin
typically
resulted
higher
A
(compared
afidopyropen);
however,
quite
surprisingly,
rated
as
highly
toxic.
Taken
together,
results
suggest
that,
even
considered,
useful
tools
farmers
targeting
populations
parasitoids.
recommend
semi‐field
field
trials
further
assess
parasitoid
populations.
Agroecology and Sustainable Food Systems,
Год журнала:
2024,
Номер
48(8), С. 1068 - 1093
Опубликована: Май 1, 2024
Arthropods
play
vital
roles
in
ecosystem
functions,
yet
their
distribution
is
subjected
to
environmental
factors.
Hence,
this
study
investigates
the
impact
of
habitat
features
on
arthropod
communities
within
cocoa
smallholdings
under
different
farming
practices:
agroforestry
and
monoculture
systems.
We
conducted
sampling
using
yellow
sticky
traps
assessed
at
each
plantation
twice
capture
temporal
variations
populations.
The
recorded
2945
individual
arthropods
belonging
eight
functional
groups.
most
abundant
group
was
saprophagous,
followed
by
phytophagous,
parasitoid,
predator,
mycetophagous,
frugivorous,
palynivore,
nectarivorous
group.
Using
Generalized
Linear
Mixed
Models
(GLMMs),
we
found
that
abundance
phytophagous
predatory
increases
with
leaf
litter,
while
it
decreases
saprophagous
arthropods.
Our
findings
suggest
tree-crop
diversification
can
a
significant
role
preserving
higher
biodiversity,
particularly
when
these
remain
free
from
chemical
insecticide
use.
Canopy
cover
also
positively
affect
variability
indicating
crucial
factor
affecting
biodiversity.
This
underscores
significance
integrating
systems
into
production
landscapes,
those
utilizing
agrochemicals,
support
diverse
promote
sustainable
production.
Mediterranean Agricultural Sciences,
Год журнала:
2025,
Номер
38(1), С. 9 - 14
Опубликована: Апрель 9, 2025
Afidopyropen,
with
a
unique
mode
of
action
that
modulates
the
chordotonal
organ
transient
receptor
potential
vanilloid
(TRPV)
channel,
serves
as
promising
insecticide
against
sap-sucking
pests,
particularly
aphids.
However,
when
targeting
aphids,
afidopyropen
can
affect
non-target
organisms
such
Trichogramma
species
inhabiting
same
habitats.
The
information
regarding
effects
on
is
limited,
and
there
an
urgent
need
to
expand
our
knowledge
in
this
area.
This
study
investigated
treatment
type
functional
response
associated
parameters,
attack
coefficient
handling
time,
evanescens
Westwood
(Hymenoptera:
Trichogrammatidae)
females
treated
at
pupal
stage.
findings
clearly
revealed
did
not
change
since
both
control-treated
parasitoids
exhibited
III
response.
Afidopyropen
treatments
host
time
parasitoid
either.
had
lower
compared
control
group.
suggest
does
alter
strategy
T.
evanescens,
although
it
impaired
may
pose
threat
natural
effectiveness
parasitoid.
current
highlights
requirement
further
investigations
aimed
determining
insects.
Agronomy,
Год журнала:
2025,
Номер
15(5), С. 1203 - 1203
Опубликована: Май 16, 2025
Preserving
natural
enemies
in
agricultural
landscapes
is
a
cornerstone
of
biological
pest
control,
and
avoiding
insecticides
miticides
that
harm
non-target
species
key
strategy
to
support
naturally
occurring
populations
the
field.
Current
research
on
impacts
these
chemicals
often
biased
toward
small
number
commercially
cultured
species,
leaving
important
knowledge
gaps
for
those
groups
occur
at
local
scales.
Hoverflies
(Diptera:
Syrphidae)
wolf
spiders
(Araneae:
Lycosidae),
both
globally
invertebrates
systems,
have
been
under-researched
due
challenges
field
collection
laboratory
cultivation
species.
This
study
helps
address
by
evaluating
effects
several
widely
used
Australian
hoverflies
(Melangyna
sp.)
(Venatrix
spp.)
as
case
with
detailed
descriptions
rearing
testing
methodologies.
The
results
from
standardised
chemical
toxicity
showed
Venatrix
spp.
were
relatively
tolerant
various
chemicals,
highlighting
their
potential
role
Integrated
management
(IPM)
strategies
combine
control
methods.
In
contrast,
Melangyna
sp.
was
sensitive
numerous
tested,
including
some
are
regarded
safe
These
findings
emphasise
need
expand
underrepresented
enemy
effectively
efforts
Specifically,
methodologies
developed
this
can
be
adapted
facilitate
further
locally
hoverfly
spider
other
regions.
bioRxiv (Cold Spring Harbor Laboratory),
Год журнала:
2024,
Номер
unknown
Опубликована: Янв. 29, 2024
Abstract
Agricultural
practitioners,
researchers
and
policymakers
are
increasingly
advocating
for
integrated
pest
management
(IPM)
to
reduce
pesticide
use
while
preserving
crop
productivity
profitability.
Selective
pesticides,
putatively
designed
act
on
pests
minimising
impacts
off-target
organisms,
have
emerged
as
one
such
option
–
yet
evidence
of
whether
these
compounds
control
without
adversely
affecting
natural
enemies
other
beneficial
species
(henceforth
beneficials)
remains
scarce.
At
present,
the
selection
pesticides
compatible
with
IPM
often
considers
a
single
(or
limited
number
of)
widely
distributed
species,
considering
undesired
effects
co-occurring
beneficials.
In
this
study,
we
conducted
standardised
laboratory
bioassays
assess
acute
toxicity
20
chemicals
15
at
multiple
exposure
timepoints,
specific
aims
to:
(1)
identify
common
diverging
patterns
in
responses
tested
beneficials;
(2)
determine
if
effect
beetles,
wasps
mites
is
consistent
across
within
groups;
(3)
impact
mortality
assessment
timepoints
International
Organisation
Biological
Control
(IOBC)
classifications.
Our
work
demonstrates
that
most
cases,
chemical
toxicities
cannot
be
generalised
range
insects
providing
biological
control,
finding
was
found
even
when
comparing
among
closely
related
mites.
Additionally,
show
increase
length,
pointing
limitations
IOBC
protocols.
This
challenges
notion
can
adequately
‘representative’
species;
instead
it
highlights
need
careful
consideration
testing
regionally
seasonally
relevant
species.
Journal of Economic Entomology,
Год журнала:
2023,
Номер
116(3), С. 713 - 718
Опубликована: Март 23, 2023
Abstract
Potato
leafroll
virus
(PLRV)
has
been
well
managed
by
neonicotinoids
since
their
widespread
adoption
in
the
United
States,
becoming
virtually
absent
from
seed
and
production
fields
Northwest.
However,
with
increasing
interest
discontinuing
neonicotinoid
usage,
there
is
concern
that
PLRV
could
enjoy
a
resurgence
absence
of
effective
alternative
chemistries.
We
tested
effects
afidopyropen,
an
insecticide
novel
mode
action,
on
transmission
feeding/probing
behavior
its
primary
vector,
green
peach
aphid
(Myzus
persicae
[Sulzer]).
Afidopyropen
foliar
sprays
decreased
individual
aphids
relative
to
water
controls:
acquisition
treated
potato
plants
subsequent
was
reduced
89%,
inoculation
viruliferous
35%.
Although
electropenetrograph
analyses
following
4-h
recordings
showed
decreases
total
mean
duration
phloem
feeding
(E)
subject
afidopyropen
treatment
water,
these
only
trended
toward
significance.
Taken
together,
results
suggest
can
decrease
potatoes,
but
significant
changes
might
not
occur
quickly
post-exposure.
Overall,
while
reductions
were
as
dramatic
have
observed
treatments,
may
be
useful
should
evaluated
field
experiments.