Research Square (Research Square),
Journal Year:
2023,
Volume and Issue:
unknown
Published: May 22, 2023
Abstract
Pollinators
in
agricultural
landscapes
are
facing
global
decline
and
the
main
pressures
include
food
scarcity
pesticide
usage.
Although
intensive
poor
habitats
for
wild
pollinators,
mass
flowering
crops
may
provide
important
resources,
albeit
monofloral
short-term,
which
addition
contain
residues.
We
explored
how
landscape
composition
with
a
different
proportion
of
oilseed
rape
(6%-65%)
around
Osmia
bicornis
nests
affects
floral
diversity,
contamination
pesticides,
energetic
value
provisions
collected
by
bees
as
their
offspring.
The
pollen
from
28
taxa
(6-15
per
nest)
were
dominated
Brassica
napus
(6.0-54.2%),
Quercus
(1.2-19.4%)
Ranunculus
(0.4-42.7%)
found
all
12
nests,
but
also
Poaceae
(1.2-59.9%,
11
nests)
Acer
(0.6-42%,
8
nests).
Residues
pesticides
provisions,
acetamiprid,
azoxystrobine,
boscalid,
dimethoate
being
most
frequently
detected
at
concentrations
up
to
1.2,
198.4,
16.9
17.8
ng/g,
respectively.
Floral
diversity
not
Pesticide
Risk
Index
depended
on
structure.
Moreover,
decreased,
increased
diversity.
Thus,
even
structurally
simple
diverse
O.
if
nest
is
located
close
single
resource-diverse
patch.
Both
B.
non-crop
correlated
concentrations.
Environment International,
Journal Year:
2022,
Volume and Issue:
165, P. 107311 - 107311
Published: May 19, 2022
Fungicides
account
for
more
than
35%
of
the
global
pesticide
market
and
their
use
is
predicted
to
increase
in
future.
While
fungicides
are
commonly
applied
during
bloom
when
bees
likely
foraging
on
crops,
whether
real-world
exposure
these
chemicals
-
alone
or
combination
with
other
stressors
constitutes
a
threat
health
still
subject
great
uncertainty.
The
first
step
estimating
risks
understand
how
what
extent
exposed
active
ingredients.
Here
we
review
current
knowledge
that
exists
about
experience
field,
link
quantitative
data
acute
chronic
risk
lethal
endpoints
honey
(Apis
mellifera).
From
702
publications
screened,
76
studies
contained
residue
detections
bee
matrices,
further
47
provided
qualitative
information
range
taxa
through
various
routes.
We
compiled
90
metabolites
have
been
detected
honey,
beebread,
pollen,
beeswax,
bodies
bees.
posed
by
fungicide
residues
was
estimated
EPA
Risk
Quotient
(RQ)
approach.
Based
concentrations
pollen/beebread,
none
reported
exceeded
levels
concern
(LOC)
set
regulatory
agencies
risk,
while
3
12
European
Food
Safety
Authority
(EFSA)
LOC
wild
bees,
respectively.
When
considering
all
most
include
many
broad-spectrum
systemic
fungicides,
as
well
widely
used
contact
chlorothalonil.
In
addition
providing
detailed
overview
frequency
environment,
identified
important
research
gaps
suggest
future
directions
move
towards
comprehensive
understanding
mitigation
including
synergistic
co-exposure
pesticides
pathogens.
The Science of The Total Environment,
Journal Year:
2023,
Volume and Issue:
879, P. 162971 - 162971
Published: March 21, 2023
Cultivation
of
mass
flowering
entomophilous
crops
benefits
from
the
presence
managed
and
wild
pollinators,
who
visit
flowers
to
forage
on
pollen
nectar.
However,
management
these
typically
includes
application
pesticides,
which
may
pose
a
hazard
for
pollinators
foraging
in
an
agricultural
environment.
To
determine
levels
potential
exposure
their
concentration
nectar
need
assessing,
both
within
beyond
target
crop
plants.
We
selected
ten
pesticide
compounds
one
metabolite
analysed
occurrence
(Brassica
napus)
plant
(Rubus
fruticosus
agg.),
was
field
edges.
Nectar
plants
were
collected
five
spring
winter
sown
B.
napus
fields
Ireland,
tested
residues,
using
QuEChERS
Liquid
Chromatography
tandem
spectrometry
(LC-MS/MS).
Pesticide
residues
detected
Most
detections
with
no
recorded
respective
that
year,
but
higher
concentrations
observed
recently
treated
fields.
Overall,
more
than
plant,
had
highest
mean
residues.
All
matrices
contaminated
at
least
three
compounds,
most
frequently
fungicides.
The
common
compound
mixture
comprised
fungicides
azoxystrobin,
boscalid,
neonicotinoid
insecticide
clothianidin,
not
applied
Our
results
indicate
persistent
like
neonicotinoids,
should
be
continuously
monitored
fate
toxicological
evaluation
mixtures
identified
present
study
performed,
impacts
insects
exposed
them.
Insects,
Journal Year:
2023,
Volume and Issue:
14(5), P. 462 - 462
Published: May 13, 2023
Sternorrhyncha
representatives
are
serious
pests
of
agriculture
and
forestry
all
over
the
world,
primarily
causing
damage
to
woody
plants.
members
vectors
for
transfer
a
large
number
viral
diseases,
subsequently,
host
plant
weakens.
Additionally,
many
inherent
in
release
honeydew,
on
which
fungal
diseases
develop.
Today,
an
innovative
approach
is
needed
create
new
effective
ways
control
these
insects
based
environmentally
friendly
insecticides.
Of
particular
relevance
such
developments
need
take
into
account
organisms
living
together
with
insect
this
group,
including
beneficial
insects.
Practically
without
changing
their
location
plant,
they
adopted
be
more
invisible
protected
due
small
size,
symbiosis
ants,
ability
camouflage
leaf,
moderately
deplete
plants
others,
rarely
leading
them
death
but
still
substantial
economic
loss
subtropics
tropics.
Due
lack
presence
literature,
review
fills
pesky
spot
by
examining
(on
example
distinct
species
from
four
superfamilies)
characteristic
adaptations
suborder
chemical
methods
combating
that
allow
survive
various
environmental
conditions,
suggesting
highly
promising
using
olinscides
protection
against
members.
The Science of The Total Environment,
Journal Year:
2021,
Volume and Issue:
809, P. 151142 - 151142
Published: Oct. 21, 2021
Agricultural
landscapes
have
changed
substantially
in
recent
decades,
shifting
from
the
dominance
of
small
fields
(S)
with
diverse
cropping
systems
toward
large-scale
monoculture
(L),
where
landscape
heterogeneity
disappears.
In
this
study,
artificial
nests
red
mason
bee,
Osmia
bicornis,
were
placed
S
and
L
types
on
perimeter
oilseed
rape
representing
different
coverages
(ORC,
%
land
cover).
The
local
structure
around
each
nest
was
characterised
within
a
100,
200,
500,
1000
m
radius
using
ORC
14
characteristics,
which
then
reduced
by
non-metric
multidimensional
scaling
(nMDS)
to
two
axes:
nMDS1
dataset
primarily
according
fragmentation
main
crop,
whereas
nMDS2
captured
prevalence
more
natural
areas
landscape.
Pollen
diversity
insecticide
risk
levels
pollen
provisions
collected
bees
analysed,
their
dependence
tested.
Thereafter,
effects
diversity,
risk,
life-history
traits
sensitivity
topically
applied
Dursban
480
EC
determined.
taxa
richness
single
ranged
3
12,
34
pesticides
detected
at
concentrations
up
320
ng/g
for
desmedipham.
O.
bicornis
foraging
range
relatively
large,
indicating
that
~1000
is
important
species.
studied
minor
importance
bee
performance,
but
or
significantly
affected
bees.
Contamination
insecticides
decreasing
mass
newly
emerged
adults
not
related
environmental
variables.
Frontiers in Ecology and Evolution,
Journal Year:
2023,
Volume and Issue:
11
Published: May 5, 2023
Introduction
Heterogeneity
in
composition
and
spatial
configuration
of
landscape
elements
support
diversity
abundance
flower-visiting
insects,
but
this
is
likely
dependent
on
taxonomic
group,
scale,
weather
climatic
conditions,
particularly
impacted
by
agricultural
intensification.
Here,
we
analyzed
the
impacts
both
aspects
heterogeneity
role
conditions
pollinating
insect
communities
two
economically
important
mass-flowering
crops
across
Europe.
Methods
Using
a
standardized
approach,
collected
data
five
groups
(honey
bees,
bumble
other
hover
flies
butterflies)
eight
oilseed
rape
apple
orchard
sites
(in
adjacent
crop
margins),
European
countries
(128
total)
encompassing
four
biogeographic
regions,
quantified
habitat
calculating
relevant
metrics
for
(proportion
land-use
types)
(the
aggregation
isolation
patches).
Results
We
found
that
insects
responded
to
climate
parameters
taxon-
crop-specific
ways.
For
example,
was
positively
correlated
with
honey
bee
solitary
fields,
fly
orchards.
In
sites,
total
all
pollinators,
bees
decreased
an
increasing
proportion
orchards
surrounding
landscape.
less-intensively
managed
habitats
(i.e.,
woodland,
grassland,
meadows,
hedgerows)
influenced
butterflies.
Additionally,
our
showed
daily
annual
temperature,
as
well
precipitation
seasonality,
affects
although,
again,
these
appeared
be
or
crop-specific.
Discussion
Thus,
context
global
change,
findings
emphasize
importance
understanding
taxon-specific
responses
changes
land
use
climate,
ensure
continued
delivery
pollination
services
pollinator-dependent
crops.
International Journal of Environmental Research and Public Health,
Journal Year:
2022,
Volume and Issue:
19(20), P. 13715 - 13715
Published: Oct. 21, 2022
Home
gardening
has
a
long
history
that
started
when
humans
became
sedentary,
being
traditionally
considered
an
accessible
source
of
food
and
medicinal
plants
to
treat
common
illnesses.
With
trends
towards
urbanization
industrialization,
particularly
in
the
post-World
War
II
period,
importance
home
gardens
as
important
spaces
for
growing
reduced
they
began
be
increasingly
seen
decorative
leisure
spaces.
However,
awareness
negative
impacts
agricultural
intensification
human
health,
quality,
ecosystem
resilience,
biodiversity
conservation
motivated
emergence
new
approaches
concerning
gardens.
Societies
question
potential
nearby
green
infrastructures
wellbeing,
provisioning,
traditional
varieties,
well
providers
services,
such
ecological
corridors
wild
species
carbon
sinks.
In
this
context.
foster
adaptive
resilient
social–ecological
systems,
our
supported
viewpoint
intends
more
than
exhaustive
set
perceptions,
but
reflection
ideas
about
contribution
sustainable
development.
We
envision
these
humble
strengthening
social
components,
by
providing
diversified
intermingled
goods
services
urban
population.