Physiological condition drives ecological functions of two highly abundant and widespread dung beetles of South American pasturelands
Ecological Entomology,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 10, 2025
Abstract
Physiological
condition
plays
a
pivotal
role
on
the
interaction
between
individuals
and
environment,
consequently
being
related
to
ecological
functions
that
organisms
provide.
Body
dry
mass,
fat
muscle
mass
have
been
proved
affect
way
in
which
behave,
as
depletion
of
nutrients
their
body
strategies
they
present.
In
this
study,
we
used
two
dung
beetle
species
model
test
effects
individual
traits
physiological
ecosystem
services
provided
by
them
(e.g.,
removal
soil
excavation).
To
attain
goal,
Dichotomius
nisus
D.
bos
,
are
widespread
inhabit
South
American
pasturelands
considered
important
for
functioning
these
regions.
The
beetles
were
collected
from
introduced
pastures
(
Urochloa
spp.)
Brazilian
Cerrado
biome,
performed
evaluated
laboratory,
with
females
males
buckets
filled
soil.
Our
results
show
higher
amounts
less
functions.
Furthermore,
more
removed
during
activities.
Lastly,
patterns
sex
dependent.
study
provides
evidence
affects
beetles.
Thus,
integration
animal
may
allow
deeper
understanding
basis
beetles,
well
an
perspective
contribution
services.
Language: Английский
Landscape shifts challenge the maintenance of Melolonthidae (Coleoptera: Scarabaeoidea) communities in the Amazon deforestation arc
Journal of Insect Conservation,
Journal Year:
2025,
Volume and Issue:
29(3)
Published: April 17, 2025
Language: Английский
New World dung beetle (Coleoptera: Scarabaeidae: Scarabaeinae) colonization of a recent Miocene insular territory: The case of Costa Rica
Ecology and Evolution,
Journal Year:
2024,
Volume and Issue:
14(6)
Published: May 30, 2024
Costa
Rica
emerged
from
the
seas
as
a
new
geological
territory
during
Miocene
an
insular
archipelago.
It
later
became
part
of
continental
area
once
it
segment
Central
America.
Two
dung
beetle
genera
that
colonized
this
South
and
North
America,
Language: Английский
Insularization drives physiological condition of Amazonian dung beetles
Ecology and Evolution,
Journal Year:
2023,
Volume and Issue:
13(12)
Published: Dec. 1, 2023
Abstract
The
fragmentation
and
degradation
of
otherwise
continuous
natural
landscapes
pose
serious
threats
to
the
health
animal
populations,
consequently
impairing
their
fitness
survival.
While
most
ecology
studies
focus
on
habitat
remnants
embedded
withinn
terrestrial
matrices,
effects
true
insularization
remains
poorly
understood.
Land‐bridge
islands
created
by
major
dams
leads
loss
fragmentation,
negatively
affecting
biodiversity.
To
assess
insularization,
we
conducted
a
study
key
aspects
dung
beetle
physiological
condition
body
size
throughout
Balbina
Hydroelectric
Reservoir
located
in
Central
Amazon.
We
assessed
these
traits
at
population
assemblage
levels,
collecting
beetles
from
both
forest
areas
while
analyzing
various
landscape
variables.
show
that
with
higher
cover
positively
affected
size.
Interestingly,
responses
were
species‐dependent;
larger
tended
host
individuals
Deltochilum
aspericole
,
Canthon
triangularis
smaller
showed
sizes.
However,
mainland
than
those
islands.
Moreover,
proportion
closed‐canopy
also
impacted
attributes.
It
lipid
mass
Dichotomius
boreus
but
.
These
findings
contribute
better
understanding
how
aquatic
matrices
affects
structure
physiology
insect
assemblages.
This
is
essential
formulating
effective
conservation
strategies
for
preserving
biodiversity
tropical
regions
mitigating
consequences
hydropower
infrastructure.
Language: Английский
The conversion of native savannah into pasturelands does not affect exclusively species diversity: Effects on physiological condition of a highly abundant dung beetle species
César M. A. Correa,
No information about this author
K. C. da Silva,
No information about this author
Pedro Lucas Moreira de Oliveira
No information about this author
et al.
Ecology and Evolution,
Journal Year:
2023,
Volume and Issue:
13(11)
Published: Nov. 1, 2023
Abstract
Dung
beetles
are
efficient
indicators
to
obtain
responses
regarding
the
effects
of
land
use
change
on
biodiversity.
Although
biological
consequences
Cerrado
conversion
into
pasture
have
been
observed
at
assemblage
scale,
there
no
cues
tropical
savanna
physiological
condition
dung
beetle
individuals.
In
this
study,
we
evaluated
whether
native
and
non‐native
habitats
in
affect
body
traits
males
females
Phanaeus
palaeno
.
The
individuals
were
collected
from
a
fragment
(sensu
stricto)
an
exotic
(
Urochloa
spp.).
Physiological
was
assessed
through
estimation
individuals'
dry
mass,
fat
muscle
mass.
Body
estimated
individual
size
males'
horn
length.
We
did
not
find
differences
between
morphological
pastures.
However,
pastures
had
lower
mass
but
higher
than
conserved
Cerrado.
Understanding
how
affects
is
essential
maintain
abundant
healthy
populations
human‐modified
landscapes.
logistically
more
complex
species
traits,
future
studies
aiming
present
finer
ecological
should
incorporate
data
their
approaches.
Language: Английский
Where should I perch? The effects of body size, height, and leaf surface on the vertical perching position of dung beetles (Scarabaeidae: Scarabaeinae) in an Amazonian area
Leonardo Vilas-Bôas M.P. de Cerqueira,
No information about this author
Liara de Azevedo Cassiano,
No information about this author
Lucas Liesak Sant’ Ana Santos
No information about this author
et al.
Austral Ecology,
Journal Year:
2024,
Volume and Issue:
49(9)
Published: Sept. 1, 2024
Abstract
Among
dung
beetles,
‘sit
and
wait’
comprise
a
common
strategy,
in
which
individuals
perch
on
leaves.
The
goal
of
this
study
was
to
assess
the
spatial
dynamics
beetle
perching
region
Amazon.
We
analysed
intra‐
interspecific
relationships
between
individual
body
size,
leaf
area,
shape,
height
at
beetles
perched.
When
analysing
intraspecifically,
larger
Canthidium
bicolor
perched
higher
than
small
ones.
considering
three
most
abundant
species,
smallest
species
(
C.
)
perches
lower,
intermediate
deyrollei
higher,
largest
Canthon
triangularis
an
height.
area
also
explained
vertical
distribution,
both
when
all
intraspecific
for
,
where
there
is
positive
relationship
Our
results
suggest
that
depend
life
history,
could
be
further
under
functional
group
approaches.
Language: Английский