bioRxiv (Cold Spring Harbor Laboratory),
Год журнала:
2023,
Номер
unknown
Опубликована: Май 24, 2023
Abstract
Pesticides
cause
risks
in
the
environment
for
Asian
honey
bees
(
Apis
cerana
).
Imidacloprid
(I),
chlorpyrifos
(C)
and
glyphosate
(G)
are
among
most-widely
used
pesticides
world.
It
is
not
clear
on
how
these
combination
of
them
affect
flight
ability
A.
.
Here
we
utilized
mills
to
show
new
results
that
acute
treatment
individual
pesticides,
such
as
0.2
ng/bees
imidacloprid
(20
μL,
10
ng/g),
0.6
30
ng/g)
1.2
60
had
no
effect
bees.
However,
forager
showed
a
significantly
decrease
flying
duration
distance
when
oral
exposed
two
or
three
pesticides.
This
evidence
indicated
can
produce
synergistic
changes
behavior
honeybees.
Results
light
understandings
complex
effects
potential
pesticide
bee
including
homing
food-collecting
ability.
Our
key
information
understand
formulations
they
impair
behavior.
Table
Contents
Graphic
Conservation Science and Practice,
Год журнала:
2023,
Номер
5(8)
Опубликована: Июль 5, 2023
Abstract
Many
bumble
bee
species
are
declining
globally
from
multiple
threats
including
climate
change.
Identifying
conservation
priority
areas
with
a
changing
will
be
important
for
conserving
species.
Using
systematic
planning,
we
identified
44
in
Canada
under
current
and
projected
climates
(year
2050).
Conservation
were
as
those
that
contained
targeted
amounts
of
each
predicted
occurrence
through
envelope
models,
while
minimizing
the
area
cost
areas.
two
periods
compared
to
established
protected
land
cover
types
determine
future
sites
landscapes
within
Notably,
rarely
Priority
most
often
croplands
grasslands,
mainly
mountain
west,
central
Southern
Ontario,
Northern
Quebec,
Atlantic
all
scenarios.
increase
elevation
latitude
Our
findings
identify
regions
consistently
selected
sites.
Ecological Entomology,
Год журнала:
2023,
Номер
49(2), С. 215 - 224
Опубликована: Ноя. 14, 2023
Abstract
Over
80%
of
agricultural
crops
rely
on
insect
pollination.
Thus,
pollinator
biodiversity
is
critical
for
augmented
plant
yield
and
quality.
Blow
flies
(Diptera:
Calliphoridae)
are
acknowledged
pollinators
several
crops.
However,
there
many
open
questions
regarding
their
importance
in
pollination
ecology.
For
instance,
has
not
been
a
comprehensive
assessment
pollen
use
by
blow
flies,
thus,
it
unknown
whether
individuals
visit
few
or
types
per
trip.
At
least
one
fly
species
(
Lucilia
sericata
)
can
digest
the
protein
therein
as
an
oogenic
resource.
this
commonly
used
strategy
acquisition,
given
that
they
more
associated
with
faeces,
carrion
myiasis.
We
surveyed
found
guts
to
determine
(a)
consume
pollen,
if
so,
which
pollen;
(b)
exhibit
species‐specific
(c)
demonstrate
sex‐specific
use.
collected
from
natural
habitats
around
Central
Texas
2016
2019
dissected
look
presence
pollen.
widespread
variety
plants
six
discovered
bias
amount
female
compared
males
some,
but
all
species.
Pollen
represents
relatively
underappreciated
aspect
biology,
potential
ecological
impacts
ranging
disease
ecology
diversity.
Pesticides
represent
one
of
the
greatest
threats
to
bees
and
other
beneficial
insects
in
agricultural
landscapes.
Potential
exposure
is
generated
through
compound-
crop-specific
patterns
pesticide
use
over
space
time
unique
degradation
behavior
among
compounds.
Exposure
develops
from
this
template
established
by
loading
bee
foraging
movement
their
nests
across
spatiotemporal
mosaic
floral
resources
throughout
landscape.
Despite
recognized
importance
a
landscape-wide
approach
assessing
exposure,
we
lack
predictive
framework
inform
mitigation
decisions
environmental
risk
assessment
for
bees.
We
address
gap
developing
model
that
incorporates
patterns,
estimated
rates
degradation,
resource
dynamics
habitats,
movements.
parameterized
with
data
public
database
containing
crop-field-
date-specific
records
uses
our
study
region
an
entire
year.
evaluate
performance
predicting
using
dataset
residues
pollens
gathered
bumble
(Bombus
vosnesenskii)
returning
28
colonies
14
spatially
independent
landscapes
Northern
California.
applied
alternative
formulations
accumulation
seasonality,
explore
different
levels
detail
observed
exposure.
Our
best
explained
73%
variation
colonies,
generally
positive
correlations
dominant
Timing
location
were
integral,
but
more
detailed
parameterizations
resources,
improved
predictions
little
if
at
all.
results
suggest
predict
bees’
valuable
part
mechanistic,
systems-based
bioRxiv (Cold Spring Harbor Laboratory),
Год журнала:
2023,
Номер
unknown
Опубликована: Май 24, 2023
Abstract
Pesticides
cause
risks
in
the
environment
for
Asian
honey
bees
(
Apis
cerana
).
Imidacloprid
(I),
chlorpyrifos
(C)
and
glyphosate
(G)
are
among
most-widely
used
pesticides
world.
It
is
not
clear
on
how
these
combination
of
them
affect
flight
ability
A.
.
Here
we
utilized
mills
to
show
new
results
that
acute
treatment
individual
pesticides,
such
as
0.2
ng/bees
imidacloprid
(20
μL,
10
ng/g),
0.6
30
ng/g)
1.2
60
had
no
effect
bees.
However,
forager
showed
a
significantly
decrease
flying
duration
distance
when
oral
exposed
two
or
three
pesticides.
This
evidence
indicated
can
produce
synergistic
changes
behavior
honeybees.
Results
light
understandings
complex
effects
potential
pesticide
bee
including
homing
food-collecting
ability.
Our
key
information
understand
formulations
they
impair
behavior.
Table
Contents
Graphic
