Insect Conservation and Diversity,
Год журнала:
2024,
Номер
unknown
Опубликована: Дек. 22, 2024
Abstract
This
study
explores
the
latitudinal
diversity
gradient
(LDG)
of
wild
bees
(Hymenoptera:
Anthophila)
in
Chile,
a
region
with
diverse
climates
and
geographic
isolation.
By
examining
species
richness
patterns,
this
research
seeks
to
uncover
key
factors
influencing
these
patterns
Chilean
bees.
We
compiled
analysed
occurrence
records
bee
from
five
families,
evaluating
across
gradients.
To
explain
LDG,
we
tested
hypotheses
such
as
Rapoport's
effect,
mid‐domain
effect
(MDE),
source‐sink
dynamics,
Climatic
Variability
Hypothesis.
Additionally,
conducted
cluster
analyses
beta
assessments
identify
distinct
ecoregions
understand
turnover
nestedness
along
Our
analysis
revealed
mid‐latitudinal
peak
around
34°
S,
consistent
global
bimodal
for
The
data
did
not
support
MDE
predictions,
implying
that
geometric
constraints
alone
cannot
patterns.
Instead,
positive
correlation
between
extent
latitude
supports
indicating
broader
environmental
tolerances
at
higher
latitudes.
Beta
showed
turnover,
nestedness,
drives
variation
gradients,
reflecting
significant
replacement
latitudes
due
changing
conditions.
Cluster
identified
groups
corresponding
Northern,
Central,
Southern
Chile
ecoregions,
reinforcing
substantial
shifts
composition
bands.
findings
emphasise
importance
stable
supporting
high
Understanding
is
vital
predicting
biodiversity
responses
climate
change
guiding
conservation
strategies,
especially
Chile's
hotspots
endemism.
Insect Conservation and Diversity,
Год журнала:
2024,
Номер
17(3), С. 474 - 487
Опубликована: Янв. 25, 2024
Abstract
While
global
patterns
of
bee
diversity
have
been
modelled,
our
understanding
fine‐scale
regional
is
more
limited,
particularly
for
under‐sampled
regions
such
as
Africa.
South
Africa
among
the
exceptions
on
African
continent;
its
fauna
(ca.
1253
species)
has
well
collected
and
documented,
including
mass
digitising
natural
history
collections.
It
a
region
with
high
floral
diversity,
habitat
heterogeneity
variable
rainfall
seasonality.
Here,
we
combine
species
distributional
database
(877
geospatial
modelling
approach
to
determine
(~11
×
11
km
grid
cell
resolution)
hotspots
richness,
endemism
range‐restricted
species.
Our
analyses,
based
probabilities
occurrence
surfaces
each
across
108,803
two‐minute
cells,
reveal
three
richness:
Winter
rainfall,
Aseasonal
Early‐to‐late
summer
rainfall.
These
contain
large
numbers
endemic
geographically
restricted
taxa.
Hotspots
include
Fynbos,
Succulent
Karoo
Desert
biomes;
latter
showing
6–20
times
per
unit
area
than
other
biomes.
results
conform
species‐area
patterns:
areas
higher‐than‐expected
density
are
largely
concentrated
in
Mediterranean
arid
habitats.
This
study
further
enhances
knowledge
identifying
richness
keystone
group
insects
enabling
these
be
accounted
when
setting
conservation
priorities.
Abstract
Chile's
isolation
and
varied
climates
have
driven
the
evolution
of
a
unique
biodiversity
with
high
degree
endemism.
As
result,
Chile
encompasses
diverse
environments,
including
Mediterranean‐type
ecosystem,
global
hotspot.
These
environments
are
currently
threatened
by
anthropogenic
land
use
change
impacting
integrity
local
biomes
associated
species.
This
area
is
most
intensively
sampled
in
country
endemicity
native
bee
Characterizing
habitat
requirements
bees
pressing
priority
to
safeguard
these
insects
ecosystem
services
they
provide.
We
investigated
broadscale
patterns
(Hymenoptera:
Apoidea:
Anthophila)
diversity
using
newly
accessible
expert‐validated
datasets
comprising
digitized
specimen
records
from
Chilean
US
collections,
novel
expert‐validated‐type
data
for
Chile.
used
generalized
dissimilarity
modeling
(GDM)
approach
explore
both
compositional
phylogenetic
β‐diversity
across
latitudinal,
altitudinal,
climate,
gradients
well‐sampled
assemblages
Central
Using
GDM
measures
increasing
environmental
dissimilarity,
we
categorized
compared
important
drivers
them
classify
“wild
ecoregions”
(WBEs)
representing
assemblages.
Turnover
was
explained
primarily
latitudinal
variation
(proxy
climate)
south
north
However,
temperature
variations,
precipitation,
presence
bare
soil
also
significantly
turnover
In
comparison,
observed
less
corresponding
spatial
gradients.
identified
six
de
novo
ecoregions
(WBEs),
all
distinct
taxa,
endemic
lineages,
representative
The
WBEs
represent
classifications
but
similarities
existing
biogeographical
classifications,
ecosystems,
bioclimatic
zones.
establishes
baseline
needed
prioritize
species
conservation
efforts
this
discuss
novelty
classification
considering
previous
characterizations
their
relevance
assessing
priorities
conservation.
argue
that
highlight
areas
need
funding
surveys
description,
distribution
mapping,
strengthening
policies.
Journal of Hymenoptera Research,
Год журнала:
2023,
Номер
96, С. 983 - 1015
Опубликована: Ноя. 22, 2023
Recent
field
surveys
in
the
eastern
Canary
Islands
(Spain),
followed
by
contributions
of
new
occurrence
records
through
citizen
science
platform
iNaturalist.com
and
social
media
photo
repository
Flickr.com
have
revealed
presence
an
overlooked
small
carder
bee
species
(genus
Pseudoanthidium
Friese
(Megachilidae:
Anthidiini))
on
islands
Lanzarote
Fuerteventura.
Here,
we
combined
morphology,
DNA
barcodes
(mitochondrial
cytochrome
c
oxidase
subunit
I,
COI
)
ecological
data
(distribution,
altitudinal
ranges
environmental
niche
classification)
to
describe
this
as
(Pseudoanthidium)
jacobii
sp.
nov.
We
provide
illustrated
description
along
with
diagnostic
morphological
characters
separate
it
from
P.
(P.)
canariense
(Mavromoustakis,
1954),
only
other
congeneric
known
neighbouring
La
Gomera,
Tenerife
Gran
Canaria
which
is
separated
a
genetic
distance
2.7%.
also
evaluated
extent
shared
space
among
two
species,
our
results
show
significant
difference
elevation
range
well
very
(less
than
1%)
overlap
between
modelled
climatic
that
.
Given
extremely
restricted
geographic
distribution
fragile
isolated
nature
habitat
host
plants
island
endemic
assign
IUCN
conservation
status
“EN”
(endangered)
discuss
avenues
for
future
research
ecology
wild
bees
regions.
Alpine Entomology,
Год журнала:
2023,
Номер
7, С. 219 - 267
Опубликована: Ноя. 10, 2023
We
present
a
checklist
of
the
Swiss
bees
and
provide
information
on
distribution
every
bee
species
in
all
26
cantons.
632
are
reported,
including
European
honeybee
Apis
mellifera
Linnaeus,
1758
exotic
Megachile
sculpturalis
Smith,
1853.
Species
richness
each
canton
was
correlated
with
area,
four
largest
cantons
hosting
highest
number
species.
Bee
diversity
hotspots
were
located
some
Alpine
inner
valleys
characterized
by
dry
warm
climate
due
to
rain
shadow
effects
surrounding
mountains.
These
mostly
steppe-like
habitats
Valais
Graubünden
They
host
diverse
wild
communities
which
include
unique
assemblage
submediterranean
faunal
elements
subalpine
In
addition,
these
rare
strongly
disjunct
distributions
Europe,
further
stressing
conservation
priority
for
conservation.
Intensive
faunistic
surveys
performed
last
20
years
have
revealed
that
about
species,
either
previously
unknown
Switzerland
or
had
disappeared
from
country
several
decades,
colonised
areas
close
borders
France
Italy.
Most
new
reappeared
observed
warmest
area
presumably
colonized
recolonized
neighbouring
regions
following
global
warming.
Lastly,
DNA
barcodes
presented
394
specimens,
many
so
far
not
represented
BOLD
database.
The
taxonomic
status
numerous
unclear
taxa
is
briefly
discussed
based
combined
genetic
morphological
analyses.
Scientific Reports,
Год журнала:
2024,
Номер
14(1)
Опубликована: Апрель 28, 2024
Abstract
The
mining
bee
(
Andrena
spp.)
play
a
key
role
in
ensuring
plant
and
animal
diversity.
present
study
examines
their
diversity
post-agricultural
landscape
exemplified
by
the
Kampinos
National
Park
(KNP),
UNESCO
Biosphere
Reserve
Poland.
following
hypotheses
were
addressed:
(H1)
bees
demonstrate
narrow
ecological
amplitude,
(H2)
there
are
no
indicator
species
for
particular
habitats,
(H3)
studied
have
same
preferences
to
those
presented
literature.
A
total
of
40
catch
per
unit
effort
samples
(CPUE)
collected
across
various
habitats
with
different
soil
humidity.
Forty-six
recorded,
representing
46%
approximately
10%
known
Polish
fauna.
Nineteen
recorded
(41%)
assigned
CR-NT
threat
categories,
indicating
that
national
park
plays
significant
preserving
conservation.
None
(H1,
H2,
H3)
confirmed.
found
wide
amplitude.
Surprisingly,
located
dry
wet
soils
both
characterised
high
abundance
richness.
Seventeen
indicators
distinguished
among
dominant
rarer
species.
Our
findings
suggest
nigroaenea
.
ventralis
(lower
humidity),
as
well
alfkenella
minutuloides
(higher
relationships
habitat
humidity
reported
Oriental Insects,
Год журнала:
2024,
Номер
unknown, С. 1 - 21
Опубликована: Июль 1, 2024
In
order
to
improve
our
knowledge
on
the
biodiversity
of
wild
bee
communities
in
Algerian
grasslands,
two
stations
(El-Kouif
and
Gourigueur)
belonging
Tebessa
region
were
chosen.
The
current
study
provides
data
diversity
structure
this
taxonomic
group
a
semi-arid
steppe
Northeastern
Algeria.
Wild
alpha
beta
investigated
through
utilisation
diverse
parameters
such
as
species
richness,
occurrence,
indices,
rarefaction
curves,
similarity
indices.
total,
411
individuals
14
genera
46
collected.
most
abundant
was
Eucera
nigrilabris
(Apidae)
with
69
(16.79%
total).
collected
dominated
by
common
taxa
(17
species,
36.95%
GLM
tests
showed
that
temporal
variations
abundance
values
(N)
richness
(S)
bees
statistically
significant.
Overall,
visited
plant
Eruca
vesicaria
(Brassicaceae)
(N
=
168,
S
24).
Two
types
distinguished
present
study,
foraged
wide
range
only
one
species.
high
grasslands
situated
steppe.
bioRxiv (Cold Spring Harbor Laboratory),
Год журнала:
2024,
Номер
unknown
Опубликована: Март 11, 2024
SUMMARY
Foraging
behavior
frequently
plays
a
major
role
in
driving
the
geographic
distribution
of
animals.
Buzzing
to
extract
protein-rich
pollen
from
flowers
is
key
foraging
used
by
bee
species
across
at
least
83
genera
(these
comprise
∼58%
all
species).
Although
buzzing
widely
recognized
affect
ecology
and
evolution
bees
flowering
plants
(e.g.,
buzz-pollinated
flowers),
global
patterns
drivers
biogeography
remain
unexplored.
Here,
we
investigate
within
each
family
how
differ
with
respect
species.
We
found
that
both
distributional
richness
typically
differed
for
compared
hotspots
when
grouped
family.
A
predictor
distribution,
but
not
overall
members
four
five
families
included
analyses
(Andrenidae,
Halictidae,
Colletidae
lesser
extent,
Apidae)
was
poricidal
plant
species,
which
depend
on
pollination.
As
highest
areas
low
wind
high
aridity,
discuss
biodiversity
are
likely
driven
biogeographic
factors
host
availability.
Whilst
explored
State-level
data,
higher
resolution
work
needed
explore
local
level
patterns,
perspective,
clearly
play
greater
than
previously
predicted.
Authorea (Authorea),
Год журнала:
2024,
Номер
unknown
Опубликована: Март 25, 2024
Recent
declines
in
insect
abundances,
especially
populations
of
wild
pollinators,
pose
a
threat
to
many
natural
and
agricultural
ecosystems.
Traditional
species
monitoring
relies
on
morphological
character
identification
is
inadequate
for
efficient
standardized
surveys.
DNA
barcoding
has
become
standard
approach
molecular
organisms,
aiming
overcome
the
shortcomings
traditional
monitoring.
However,
its
efficacy
depends
completeness
reference
databases.
Large
efforts
are
(almost
entirely)
lacking
European
countries,
such
patchy
data
limit
Europe-wide
analyses
precisely
how
apply
bee
identification.
Here,
we
advance
towards
an
effective
bees.
We
conducted
high-effort
survey
bees
Slovenia,
country
where
central
Europe
meets
Balkan
peninsula,
barcoded
all
collected
morpho-species.
For
global
analyses,
complemented
our
barcode
dataset
with
relevant
delimitation,
general
genus-specific
gaps,
examined
error-rate
repositories.
found
that
i)
sixth
specimens
from
Slovenia
could
not
be
reliably
identified,
ii)
delimitation
methods
show
numerous
systematic
problems,
iii)
there
no
gap
across
bees,
iv)
genus-specific,
but
only
after
curating
errors
Intense
sampling
underrepresented
regions
strict
curation
repositories
needed
enhance
use
Insect Conservation and Diversity,
Год журнала:
2024,
Номер
unknown
Опубликована: Дек. 22, 2024
Abstract
This
study
explores
the
latitudinal
diversity
gradient
(LDG)
of
wild
bees
(Hymenoptera:
Anthophila)
in
Chile,
a
region
with
diverse
climates
and
geographic
isolation.
By
examining
species
richness
patterns,
this
research
seeks
to
uncover
key
factors
influencing
these
patterns
Chilean
bees.
We
compiled
analysed
occurrence
records
bee
from
five
families,
evaluating
across
gradients.
To
explain
LDG,
we
tested
hypotheses
such
as
Rapoport's
effect,
mid‐domain
effect
(MDE),
source‐sink
dynamics,
Climatic
Variability
Hypothesis.
Additionally,
conducted
cluster
analyses
beta
assessments
identify
distinct
ecoregions
understand
turnover
nestedness
along
Our
analysis
revealed
mid‐latitudinal
peak
around
34°
S,
consistent
global
bimodal
for
The
data
did
not
support
MDE
predictions,
implying
that
geometric
constraints
alone
cannot
patterns.
Instead,
positive
correlation
between
extent
latitude
supports
indicating
broader
environmental
tolerances
at
higher
latitudes.
Beta
showed
turnover,
nestedness,
drives
variation
gradients,
reflecting
significant
replacement
latitudes
due
changing
conditions.
Cluster
identified
groups
corresponding
Northern,
Central,
Southern
Chile
ecoregions,
reinforcing
substantial
shifts
composition
bands.
findings
emphasise
importance
stable
supporting
high
Understanding
is
vital
predicting
biodiversity
responses
climate
change
guiding
conservation
strategies,
especially
Chile's
hotspots
endemism.
