Effects of spinetoram and glyphosate on physiological biomarkers and gut microbes in Bombus terrestris
Frontiers in Physiology,
Год журнала:
2023,
Номер
13
Опубликована: Янв. 9, 2023
The
sublethal
effects
of
pesticide
poisoning
will
have
significant
negative
impacts
on
the
foraging
and
learning
bees
bumblebees,
so
it
has
received
widespread
attention.
However,
little
is
known
about
physiological
spinetoram
glyphosate
exposure
bumblebees.
We
continuously
exposed
Bombus
terrestris
to
(2.5
mg/L)
or
under
controlled
conditions
for
10
days.
superoxide
dismutase,
glutathione-S-transferase,
carboxylesterase,
prophenoloxidase,
α-amylase
protease
activities,
changes
in
gut
microbes
were
measured
understand
physiology
Sublethal
significantly
increased
dismutase
activity
decreased
bumblebees
but
had
no
effect
carboxylesterase
activities.
In
addition,
prophenoloxidase.
Interestingly,
we
observed
that
neither
two
pesticides
a
dominant
bacteria,
altered
structure
fungal
community,
reduced
relative
abundance
Zygosaccharomyces
associated
with
fat
accumulation.
These
results
suggest
do
not
affect
detoxification
system
may
bumblebee
health
by
inhibiting
energy
acquisition.
Our
provide
information
low
concentrations
terms
microbes.
Язык: Английский
Risk assessment of honeybee larvae exposure to pyrethroid insecticides in beebread and honey
Ecotoxicology and Environmental Safety,
Год журнала:
2023,
Номер
267, С. 115591 - 115591
Опубликована: Окт. 25, 2023
Honeybee
is
an
essential
pollinator
to
crops,
evaluation
the
risk
assessment
of
honeybee
larvae
exposure
pesticides
residue
in
bee
bread
and
honey
important
strategy
protect
colony
due
mixture
these
two
matrices
main
food
for
3-day-old
larvae.
In
this
study,
a
continuous
survey
five
pyrethroid
insecticides
between
2018
2020
from
17
major
cultivation
provinces
which
can
be
determined
as
Northeast,
Northwest,
Eastern,
Central,
Southwest,
Southern
China,
there
was
at
least
one
type
II
insecticide
detected
54.7
%
samples
43.4
honey.
Then,
we
assayed
acute
toxicity
based
on
detection
results,
LD50
value
0.2201
μg/larva
(beta-cyhalothrin),
0.4507
(bifenthrin),
2.0840
(fenvalerate),
0.0530
(deltamethrin),
0.1640
(beta-cypermethrin),
respectively.
Finally,
hazard
quotient
calculated
larval
oral
ranged
0.046
×
10-3
2.128
10-3.
Together,
empirical
findings
provide
further
insight
into
accurate
contamination
colonies
caused
by
chemical
pesticides,
used
valuable
guidance
beekeeping
industry
pesticide
regulation.
Язык: Английский
High hydrostatic pressure effect on the concentration of selected pesticides residues in spiked honey samples
Innovative Food Science & Emerging Technologies,
Год журнала:
2023,
Номер
91, С. 103527 - 103527
Опубликована: Ноя. 30, 2023
Язык: Английский
Risk assessment of veterinary treatments in bee brood and adult honey bees
Journal of Apicultural Research,
Год журнала:
2024,
Номер
unknown, С. 1 - 13
Опубликована: Март 6, 2024
Amitraz
and
tau-fluvalinate
are
veterinary
treatments
administered
for
the
control
of
Varroa
destructor
in
honey
bee
colonies.
These
can
generate
harmful
residues
bees.
This
field
study
addresses
issue
under
two
scenarios:
1)
administration
according
to
posology
2)
placing
contaminated
wax
containing
treatments.
Tau-fluvalinate
(Apistan®)
were
detected
larval
stages
from
25.34
84.72
ng
g−1
scenario
1
29.63
173.97
2.
In
addition,
it
was
bread
2
55.72
573.79
g−1.
1,
DMPF
+
DMF
(amitraz
metabolites)
found
37.09
171.58
(Amicel®)
36.74
42.64
(Apivar®)
bread.
honey,
ranged
19.96
145.30
32.20
78.43
(Apivar®).
With
these
treatments,
a
significant
reduction
population
mites
(mean
±
s.d.)
observed
between
95.15
2.56%
98.29
1.97%.
There
positive
correlations
Amicel®,
adult
bees
brood
during
evaluation
showing
higher
effectiveness.
According
both
RQ
(Risk
Quotient)
SRA
(Standard
Risk
Approach)
values
larvae,
there
is
no
risk
when
considering
exposure
by
contact
or
ingestion
honey.
2,
most
stages,
except
hives
treated
with
tau-fluvalinate,
where
1.73
1.29%,
indicating
moderate
due
acute
oral
exposure.
Язык: Английский
Synergy of β-cyclodextrin functionalized carbon black/CuFe2O4 nanocomposite for nanomolar quantification of neonicotinoid in agricultural crops
Measurement,
Год журнала:
2024,
Номер
242, С. 116088 - 116088
Опубликована: Окт. 30, 2024
Язык: Английский
Modelización de la distribución geográfica de Vespa velutina nigrithorax (du Buysson, 1905) (Hymenoptera, Vespidae) en la península ibérica, con enfoque en Andalucía, España
Boletín de la Asociación Española de Entomología/Boletín de la Asociación Española de Entomología/Suplementos del Boletín de la Asociación Española de Entomología,
Год журнала:
2024,
Номер
48(3-4), С. 249 - 265
Опубликована: Дек. 1, 2024
The
Spain’s
colonization
by
the
Asiatic
wasp
(Vespa
velutina
nigrithorax)
leads
to
serious
ecologic
and
socioeconomic
consequences.
Furthermore,
this
invasive
has
recently
expanded
Andalusia.
In
present
study,
a
species
distribution
model
been
performed
in
order
analyze
geographic
expansion
of
Iberian
Peninsula,
making
focus
on
Andalusian
community.
Our
initial
hypothesis
sustains
that
varied
topography,
alongside
with
proximity
Atlantic
Ocean
Mediterranean
Sea,
will
enable
existence
microclimatic
niches
adequate
for
wasp.
modelling,
line
previous
modellings,
confirms
temperature
precipitation
are
two
most
decisive
environmental
factors
success
establishment
However,
our
modelling
is
less
effective
its
prediction
respect
territory.
Nonetheless,
supported
which
identify
oceanic
subtropical
mediterranean
microclimates,
typical
mountainous
coastal
areas,
respectively,
as
those
favorable
suitability
considering
preventive
measurements
remarked,
zones
declared
Biosphere
Reserves,
therefore,
high
human
attendance,
could
be
affected.
Язык: Английский