PLoS ONE,
Journal Year:
2020,
Volume and Issue:
15(7), P. e0216190 - e0216190
Published: July 8, 2020
Understanding
how
bees
use
resources
at
a
landscape
scale
is
essential
for
developing
meaningful
management
plans
that
sustain
populations
and
the
pollination
services
they
provide.
Bumblebees
are
important
pollinators
many
wild
cultivated
plants,
have
experienced
steep
population
declines
worldwide.
Bee
foraging
behavior
can
be
influenced
by
resource
availability
bees'
lifecycle
stage.
To
better
understand
these
relationships,
we
studied
habitat
selection
of
Bombus
pauloensis
tracking
17
queen
bumblebees
with
radio
telemetry
in
blueberry
fields
Entre
Ríos
province,
Argentina.
evaluate
land
floral
used
bumblebees,
tracked
before
after
nest
establishment
estimated
home
ranges
using
minimum
convex
polygons
kernel
density
methods.
We
also
classified
pollen
on
their
bodies
to
identify
from
species
available
time.
characterized
each
bee
as
relative
proportion
GPS
points
inside
use.
differed
markedly
movement
relation
pre
post
establishment.
Bees
moved
over
larger
areas,
mostly
within
fields,
In
contrast,
establishing
nest,
preferred
edges
near
forest
plantations
changed
nutritional
prefer
species.
Our
study
first
track
bumblebee
movements
an
agricultural
setting
relate
changes
across
time
space
availability.
This
provides
insight
into
way
queens
different
elements
crucial
periods
lifecycle,
showing
importance
mass
flowering
crops
like
stages
queen's
diversified
landscapes
help
support
needs
during
phases
lifecycle.
PNAS Nexus,
Journal Year:
2024,
Volume and Issue:
3(10)
Published: Oct. 1, 2024
Pollinator-plant
interactions
represent
a
core
mutualism
that
underpins
biodiversity
in
terrestrial
ecosystems,
and
the
loss
of
flowering
plants
is
major
driver
pollinator
declines.
Bee
attraction
to
flowers
mediated
by
both
quantity
resources
(the
number
available
for
exploration)
quality
(pollen
nutritional
value),
but
whether
how
bees
prioritize
these
factors
not
well
understood.
Here,
we
leveraged
unique
plant
system
investigate
floral
influencing
bee
foraging
decisions.
Recombinant
inbred
lines
were
generated
crossing
self-fertilizing
Conservation Physiology,
Journal Year:
2023,
Volume and Issue:
11(1)
Published: Jan. 1, 2023
Increasing
evidence
highlights
the
importance
of
diet
content
in
nine
essential
amino
acids
for
bee
physiological
and
behavioural
performance.
However,
10th
acid,
tryptophan,
has
been
overlooked
as
its
experimental
measurement
requires
a
specific
hydrolysis.
Tryptophan
is
precursor
serotonin
vitamin
B3,
which
together
modulate
cognitive
metabolic
functions
most
animals.
Here,
we
investigated
how
tryptophan
deficiencies
influence
behaviour
survival
bumble
bees
(Bombus
terrestris).
Tryptophan-deficient
diets
led
to
moderate
increase
food
intake,
aggressiveness
mortality
compared
with
control
diet.
Vitamin
B3
supplementation
tryptophan-deficient
tended
buffer
these
effects
by
significantly
improving
reducing
aggressiveness.
Considering
that
pollens
major
crops
common
plants,
such
corn
dandelion,
are
deficient
could
have
strong
impact
on
populations
their
pollination
service.
Our
results
suggest
planting
rich
species
next
support
wild
populations.
Frontiers in Sustainable Food Systems,
Journal Year:
2022,
Volume and Issue:
6
Published: May 4, 2022
Insects
require
dietary
sources
of
B-vitamins,
but
relatively
little
is
known
about
whether
they
regulate
B-vitamin
intake
in
the
same
way
other
nutrients.
Honey
bees
meet
their
requirements
mainly
from
pollen
collect.
Employing
geometric
framework
for
nutrition,
we
found
that
honey
actively
vitamin
following
Bertrand's
rule.
We
fed
with
a
diet
essential
amino
acids
(EAAs)
and
carbohydrate
(C)
to
identify
how
addition
B-vitamins
affected
regulation
these
macronutrients.
In
our
experiments,
preferred
vitamins
concentrations
comparable
those
bee
food
(pollen,
beebread,
royal
jelly).
regulated
niacin
around
an
optimal
value.
Supplementing
diets
influenced
amount
EAAs
ingested
differently
depending
on
type
vitamin.
The
impact
was
observed
over
course
seven
days
where
bees'
mortality
increased
low
medium
folic
acid
concentrations.
This
study
provides
insights
into
feeding
preferences
sets
basis
future
studies
considering
diets.
PLoS ONE,
Journal Year:
2020,
Volume and Issue:
15(7), P. e0216190 - e0216190
Published: July 8, 2020
Understanding
how
bees
use
resources
at
a
landscape
scale
is
essential
for
developing
meaningful
management
plans
that
sustain
populations
and
the
pollination
services
they
provide.
Bumblebees
are
important
pollinators
many
wild
cultivated
plants,
have
experienced
steep
population
declines
worldwide.
Bee
foraging
behavior
can
be
influenced
by
resource
availability
bees'
lifecycle
stage.
To
better
understand
these
relationships,
we
studied
habitat
selection
of
Bombus
pauloensis
tracking
17
queen
bumblebees
with
radio
telemetry
in
blueberry
fields
Entre
Ríos
province,
Argentina.
evaluate
land
floral
used
bumblebees,
tracked
before
after
nest
establishment
estimated
home
ranges
using
minimum
convex
polygons
kernel
density
methods.
We
also
classified
pollen
on
their
bodies
to
identify
from
species
available
time.
characterized
each
bee
as
relative
proportion
GPS
points
inside
use.
differed
markedly
movement
relation
pre
post
establishment.
Bees
moved
over
larger
areas,
mostly
within
fields,
In
contrast,
establishing
nest,
preferred
edges
near
forest
plantations
changed
nutritional
prefer
species.
Our
study
first
track
bumblebee
movements
an
agricultural
setting
relate
changes
across
time
space
availability.
This
provides
insight
into
way
queens
different
elements
crucial
periods
lifecycle,
showing
importance
mass
flowering
crops
like
stages
queen's
diversified
landscapes
help
support
needs
during
phases
lifecycle.