Current evidence of climate‐driven colour change in insects and its impact on sexual signals
Ecology and Evolution,
Год журнала:
2024,
Номер
14(7)
Опубликована: Июль 1, 2024
Abstract
The
colours
of
insects
function
in
intraspecific
communication
such
as
sexual
signalling,
interspecific
protection
from
predators,
and
physiological
processes,
thermoregulation.
expression
melanin‐based
is
temperature‐dependent
thus
likely
to
be
impacted
by
a
changing
climate.
However,
it
unclear
how
climate
change
drives
changes
body
wing
colour
may
impact
insect
physiology
their
interactions
with
conspecifics
(e.g.
mates)
or
heterospecific
predators
prey).
aim
this
review
synthesise
the
current
knowledge
consequences
climate‐driven
on
insects.
Here,
we
discuss
environmental
factors
that
affect
colours,
then
outline
adaptive
mechanisms
terms
phenotypic
plasticity
microevolutionary
response.
Throughout
climate‐related
physiology,
con‐and‐heterospecifics.
Язык: Английский
Male–male interactions select for conspicuous male coloration in damselflies
Animal Behaviour,
Год журнала:
2021,
Номер
176, С. 157 - 166
Опубликована: Май 7, 2021
Язык: Английский
Parasite‐mediated sexual selection in a damselfly
Ethology,
Год журнала:
2022,
Номер
128(8), С. 572 - 579
Опубликована: Июнь 12, 2022
Abstract
Sexual
selection
can
improve
population
fitness
and
purge
deleterious
mutation
from
the
gene
pool
by
promoting
condition‐dependent
mate
selection.
One
ecological
factor
that
reduces
individual
condition
is
parasitism.
Parasitism
tends
to
increase
hosts'
load
likely
indicates
inferior
host
genetic
quality.
Parasite‐mediated
selection,
therefore,
should
favour
mating
success
of
parasite‐resistant
individuals
over
parasitised
individuals.
We
tested
this
hypothesis
in
male
Agriocnemis
pygmaea
damselflies,
which
are
Arrenurus
water
mites.
calculated
frequency
(i.e.
proportion
parasitism)
intensity
number
parasites
per
individual)
parasitism
free‐flying
males
copula
seven
natural
populations.
predicted
observed
will
be
less
than
expected
based
on
population.
further
parasite
would
lower
caught
single
males.
found
were
significantly
non‐parasitised
males,
independent
their
occurrence
frequency.
However,
there
was
no
difference
average
between
captured
or
Our
study
shows
addition
sexual
a
strong
agent
against
implies
it
could
promote
local
adaptation
counteract
driven
extinction
risks.
Язык: Английский
Estimating the genetic diversity and potential influence of habitat segregation in Channel Catfish
Transactions of the American Fisheries Society,
Год журнала:
2023,
Номер
152(6), С. 726 - 737
Опубликована: Окт. 1, 2023
Abstract
Objective
Individual
habitat
preference
can
reduce
intraspecific
competition
for
resources
and
may
differ
between
age
groups,
sexes,
adult
phenotypes.
The
Channel
Catfish
Ictalurus
punctatus
is
a
widespread
species
occurring
in
diverse
freshwater
habitats.
This
displays
breeding
philopatry,
returning
to
nesting
sites
occupied
previous
years.
Larger
tend
nest
the
main
channels
of
large
rivers,
whereas
smaller
fish
prefer
tributaries.
purpose
our
study
was
determine
whether
this
segregation
potentially
associated
with
affects
genetic
structure
population.
We
hypothesized
that
spatial
Ottawa
River
its
tributaries
at
Lac
des
Chats
reduced
gene
flow
within
population,
resulting
genetically
differentiated
demes
lacustrine‐like
fluvial
Methods
Microsatellite
allelic
data
collected
from
162
Catfish.
Result
found
little
variation
Ottawa,
Mississippi,
Madawaska
rivers.
Furthermore,
analyses
suggested
sampled
specimens
comprised
one
panmictic
Fish
site
River,
however,
were
significantly
nearby
also
as
well
Mississippi
tributary.
Conclusion
Given
further
up
not
these
sites,
it
unlikely
geography
account
differences
observed;
rather,
assortative
mating
explain
differentiation.
propose
panmixia
population
caused
by
ontogenetic
changes
selection,
straying
individuals,
or
sex‐biased
dispersal
philopatry.
Язык: Английский
Sexual and developmental variations of ecto-parasitism in damselflies
PLoS ONE,
Год журнала:
2022,
Номер
17(7), С. e0261540 - e0261540
Опубликована: Июль 8, 2022
The
prevalence
and
intensity
of
parasitism
can
have
different
fitness
costs
between
sexes,
across
species
developmental
stages.
This
variation
could
arise
because
specific
sexual
differences
in
body
condition,
immunity,
resistance.
Theory
predicts
that
the
will
be
greater
individuals
with
poor
condition
larger
size.
These
predictions
been
tested
verified
vertebrates.
In
insects,
however,
contradictory
evidence
has
found
taxa.
Here,
we
these
on
two
Agriocnemis
(
femina
pygmaea
)
damselflies,
which
are
parasitized
by
Arrenurus
water
mite
ectoparasites.
We
measured
weight,
total
length,
abdomen
area
thorax
non-parasitized
damselflies
varied
males
females,
immature
females
mature
A
.
Then,
calculated
parasite
prevalence,
i.e.,
absence
or
presence
parasites
intensity,
number
per
infected
damselfly
eleven
natural
populations
both
species.
line
to
our
predictions,
observed
than
but
no
difference
females.
Furthermore,
was
higher
Our
result
also
showed
frequency
studied
species,
being
study
provides
impacts
stages
differentially
suggests
may
occur
due
sex,
stage,
species-specific
resistance
tolerance
mechanism.
Язык: Английский
Current evidence of climate driven colour changes in insects and its impact on sexual selection
Authorea (Authorea),
Год журнала:
2024,
Номер
unknown
Опубликована: Май 30, 2024
Insects
exhibit
diverse
colours
that
play
a
crucial
role
in
communication
directs
inter-
and
intra-species
interactions
such
as
predator-prey
sexual
selection.
Anthropogenic
climate
change
may
impact
insects
colour
expression
consequently
their
physiology
behaviour.
can
respond
to
changing
climatic
through
phenotypic
plasticity
or
genetic
modification,
however
it
is
unclear
how
any
of
the
resulting
changes
body
wing
with
conspecifics
heterospecific
(e.g.,
predator,
prey,
mate).
The
aim
this
review
synthesis
current
knowledge
consequences
driven
on
insects.
Firstly,
we
discussed
environmental
factors
affect
insect
colours,
then
outlined
adaptive
mechanisms
terms
microevolutionary
response.
Secondly,
conducted
systematic
performed
qualitative
analysis
understand
experimental
rearing
temperature
influences
colouration.
Finally,
gave
an
overview
beneficial
maladaptive
We
concluded
by
identifying
research
gaps
highlight
potential
future
areas.
Язык: Английский
Sexual and developmental variations of ecto-parasitism in damselflies
bioRxiv (Cold Spring Harbor Laboratory),
Год журнала:
2021,
Номер
unknown
Опубликована: Дек. 6, 2021
Abstract
The
prevalence
and
intensity
of
parasitism
can
have
different
fitness
costs
between
sexes,
across
species
developmental
stages.
This
variation
could
arise
because
specific
sexual
differences
in
body
condition,
immunity,
resistance.
Theory
predicts
that
the
will
be
greater
individuals
with
poor
condition
larger
size.
These
predictions
been
tested
verified
vertebrates.
In
insects,
however,
contradictory
evidence
has
found
taxa.
Here,
we
these
on
two
Agriocnemis
(
femina
pygmaea
)
damselflies,
which
are
parasitized
by
Arrenurus
water
mite
ectoparasites.
We
measured
weight,
total
length,
abdomen
area
thorax
non-parasitized
damselflies
varied
males
females,
immature
females
mature
A.
.
Then,
calculated
parasite
prevalence,
i.e.,
frequency
intensity,
number
parasites
per
infected
damselfly
eleven
natural
populations
both
species.
line
to
our
predictions,
observed
than
but
no
difference
females.
Furthermore,
load
was
higher
Our
result
also
showed
studied
species,
being
study
provides
impacts
stages
differentially
suggests
may
occur
due
sex,
stage,
species-specific
resistance
tolerance
mechanism.
Язык: Английский