Neonicotinoid pesticides in African agriculture: What do we know and what should be the focus for future research?
Chemosphere,
Год журнала:
2025,
Номер
unknown, С. 144057 - 144057
Опубликована: Янв. 1, 2025
Язык: Английский
Laboratory Determination of Particulate‐Matter–Bound Agrochemical Toxicity among Honeybees, Mason Bees, and Painted Lady Butterflies
Environmental Toxicology and Chemistry,
Год журнала:
2023,
Номер
42(12), С. 2642 - 2650
Опубликована: Авг. 18, 2023
Pollinator
population
declines
are
global
phenomena
with
severe
consequences
for
native
flora
and
agriculture.
Many
factors
have
contributed
to
pollinator
including
habitat
loss,
climate
change,
disease
parasitism,
reductions
in
abundance
diversity
of
foraging
resources,
agrochemical
exposure.
Particulate
matter
(PM)
serves
as
a
carrier
toxic
agrochemicals,
mortality
can
occur
following
exposure
agrochemical-contaminated
PM.
Therefore,
laboratory-controlled
experiments
were
conducted
evaluate
impacts
individual
PM-bound
agrochemicals.
Honeybees
(Apis
mellifera),
blue
orchard
mason
bees
(Osmia
lignaria),
painted
lady
butterfly
(Vanessa
cardui)
larvae
exposed
bifenthrin,
permethrin,
clothianidin,
imidacloprid,
abamectin,
ivermectin
via
suspended,
airborne
Agrochemical
concentrations
PM
which
pollinators
based
on
observed
fugitive
beef
cattle
feedyard
"mean"
treatment
"max"
reflective
reported
mean
maximum
concentrations,
respectively.
In
general,
the
max
treatments
experienced
significantly
higher
compared
controls.
most
sensitive
pyrethroids,
neonicotinoids,
macrocyclic
lactones.
Overall,
was
quite
low
relative
established
effect
levels
derived
from
traditional
contact
toxicity
tests.
Furthermore,
resulting
agrochemicals
less
than
that
at
feedyards,
highlighting
importance
mixture
managed
survival
conservation.
Environ
Toxicol
Chem
2023;42:2642-2650.
©
2023
SETAC.
Язык: Английский
Toxicity evaluation of novel imidacloprid nanoribbons, using somatic mutation and fitness indexes in Drosophila melanogaster
Journal of Toxicology and Environmental Health,
Год журнала:
2024,
Номер
87(9), С. 398 - 418
Опубликована: Фев. 22, 2024
Nanoribbons
of
imidacloprid,
a
systemic
and
chloronicotinyl
insecticide,
were
successfully
synthesized
by
laser-induced
fragmentation/exfoliation
imidacloprid
powders
suspended
in
water,
with
widths
ranging
from
160
to
470
nm,
lengths
the
micron
scale,
thickness
few
atoms
layers.
The
aim
present
study
was
examine
effects
acute
chronic
exposure
(IMC)
bulk
compare
its
nanoribbons
(IMCNR)
on
larval
adult
viability,
developmental
time,
olfactory
capacity,
longevity,
productivity,
genotoxicity
Drosophila
melanogaster.
Larvae
or
adults
exposed
at
0.01,
0.02,
0.03
ppm
IMC
IMCNR.
Results
demonstrated
that
IMCNR
produced
significant
reduction
viability
ability.
did
not
significantly
alter
Similarly,
marked
differences
longevity
detected
between
treatment
where
lifespan
males
treated
higher
than
control
while
reduction.
As
for
genotoxicity,
no
found
both
forms
IMC.
Язык: Английский
Comprehensive assessment of the health condition of managed honey bees potentially exposed to contamination with agrochemical residues
Anais da Academia Brasileira de Ciências,
Год журнала:
2024,
Номер
96(suppl 3)
Опубликована: Янв. 1, 2024
The
growing
demand
for
honey
bee
pollination
services
induces
fluctuations
in
their
populations
and
changes
health
status.
current
study
aims
to
characterize
the
condition
of
managed
bees
three
territories
Department
Lambayeque,
Peru,
from
a
holistic
perspective,
considering
several
factors
affecting
health,
including
management
practices,
traits
beekeepers
apiaries,
colony
strength,
infestation
rates
by
Varroa
sp.,
presence
agrochemical
residues
bread.
results
showed
land
use,
with
large
areas
crops
dependent
on
pollination,
determining
exposition
residues.
67%
bread
samples
presented
pesticide
residues,
mainly,
chlorpyrifos,
carbendazim,
boscalid,
azoxystrobin.
In
addition,
limited
expertise
good
practices
(i.e.,
inadequate
disinfection
beekeeping
materials,
unsatisfactory
varroa
mites'
surveillance,
lack
protein
supplements,
sanitary
gaps)
leads
deficiencies
strength
high
sp.
prevalence
territory,
altering
condition.
To
best
our
knowledge,
this
article
illustrates
impact
strongly
anthropized
ecosystems
found
along
Peru's
coast's
arid
zone
that
territory
One
Health
perspective.
Язык: Английский