The American Naturalist,
Год журнала:
2023,
Номер
202(6), С. 753 - 766
Опубликована: Июль 21, 2023
Thermal
performance
curves
(TPCs)
are
increasingly
used
as
a
convenient
approach
to
predict
climate
change
impacts
on
ectotherms
that
accounts
for
organismal
thermal
sensitivity;
however,
directly
applying
TPCs
temperature
data
estimate
fitness
has
yielded
contrasting
predictions
depending
assumptions
regarding
variability.
We
compare
direct
application
of
an
integrating
different
components
(e.g.,
per
capita
birth
rate,
adult
life
span)
across
ectotherm
cycles
into
population
dynamic
model,
which
we
independently
validated
with
census
and
applied
hemipteran
insect
populations
latitude.
The
model
predicted
will
reduce
more
at
higher
latitudes
due
its
effects
survival
but
net
reproductive
rate
lower
fecundity.
Directly
underestimated
relative
incorporating
the
simplifying
dynamics
cycle.
mean
density
increase
variability
via
reduced
survival,
despite
faster
development
longer
activity
period.
Our
study
highlights
importance
considering
how
multiple
respond
cycle
better
understand
anticipate
ecological
consequence
change.
Journal of Experimental Biology,
Год журнала:
2023,
Номер
226(18)
Опубликована: Сен. 12, 2023
Ambient
temperature
(Ta)
is
a
critical
abiotic
factor
for
insects
that
cannot
maintain
constant
body
(Tb).
Interestingly,
Ta
varies
during
the
day,
between
seasons
and
habitats;
must
constantly
cope
with
these
variations
to
avoid
reaching
deleterious
effects
of
thermal
stress.
To
minimize
risks,
have
evolved
set
physiological
behavioral
thermoregulatory
processes
as
well
molecular
responses
allow
them
survive
perform
under
various
conditions.
These
strategies
range
from
actively
seeking
an
adequate
environment,
cooling
down
through
evaporation
fluids
synthesizing
heat
shock
proteins
prevent
damage
at
cellular
level
after
exposure.
In
contrast,
endothermy
may
insect
fight
parasitic
infections,
fly
within
large
facilitate
nest
defense.
Since
May
(1979),
Casey
(1988)
Heinrich
(1993)
reviewed
literature
on
thermoregulation,
hundreds
scientific
articles
been
published
subject
new
insights
in
several
groups
emerged.
particular,
technical
advancements
provided
better
understanding
mechanisms
underlying
processes.
This
present
Review
aims
provide
overview
findings
focus
groups,
including
blood-feeding
arthropods,
explore
impact
thermoregulation
exposure
immunity
pathogen
development.
Finally,
it
provides
into
current
knowledge
gaps
field
discusses
context
climate
change.
Climate
change
models
often
assume
similar
responses
to
temperatures
across
the
range
of
a
species,
but
local
adaptation
or
phenotypic
plasticity
can
lead
plants
and
animals
respond
differently
temperature
in
different
parts
their
range.
To
date,
there
have
been
few
tests
this
assumption
at
scale
continents,
so
it
is
unclear
if
large-scale
problem.
Here,
we
examined
that
insect
taxa
show
96
sites
grassy
habitats
North
America.
We
sampled
insects
with
Malaise
traps
during
2019-2021
(N
=
1041
samples)
biomass
relation
time
season.
Our
samples
mostly
contained
Diptera
(33%),
Lepidoptera
(19%),
Hymenoptera
(18%),
Coleoptera
(10%).
found
strong
regional
differences
phenology
response
temperature,
even
within
same
taxonomic
group,
habitat
type,
For
example,
nematoceran
flies
increased
season
central
part
continent,
only
showed
small
increase
Northeast
seasonal
decline
Southeast
West.
At
smaller
scale,
operating
on
days
was
correlated
up
~75
km
apart.
Large-scale
geographic
phenological
variation
abundance
has
not
studied
well,
major
source
controversy
previous
analyses
declines
aggregated
studies
from
locations
periods.
study
illustrates
predictions
about
changes
populations,
causes,
will
need
incorporate
temperature.
Proceedings of the National Academy of Sciences,
Год журнала:
2024,
Номер
121(36)
Опубликована: Авг. 28, 2024
Winter
diapause
in
insects
is
commonly
terminated
through
cold
exposure,
which,
like
vernalization
plants,
prevents
development
before
spring
arrives.
Currently,
quantitative
understanding
of
the
temperature
dependence
termination
limited,
likely
because
phenotypes
are
generally
cryptic
to
human
eyes.
We
introduce
a
methodology
tackle
this
challenge.
By
consecutively
moving
butterfly
pupae
species
Pieris
napi
from
several
different
conditions
20
°C,
we
show
that
proceeds
as
temperature-dependent
rate
process,
with
maximal
rates
at
relatively
temperatures
and
low
warm
extremely
temperatures.
Further,
resulting
thermal
reaction
norm
can
predict
P.
timing
under
variable
Last,
once
,
subsequent
follows
typical
performance
curve,
around
31
°C
minimum
2
°C.
The
sequence
these
thermally
distinct
processes
(diapause
postdiapause
development)
facilitates
synchronous
eclosion
nature;
microclimates
where
progresses
quickly
do
not
promote
fast
development,
allowing
individuals
warmer
winter
catch
up,
vice
versa.
unveiling
one
process
among
others
promotes
parsimonious,
quantitative,
predictive
model,
wherein
functions
both
an
adaptation
against
premature
during
fall
for
synchrony
spring.
Insects,
Год журнала:
2025,
Номер
16(2), С. 222 - 222
Опубликована: Фев. 18, 2025
Monolepta
hieroglyphica
(Motschulsky)
(Coleoptera:
Chrysomelidae)
is
widely
distributed
in
China
and
polyphorous,
being
a
major
pest
to
cash
crops,
such
as
corn,
cotton,
millet.
Given
the
increasing
severity
of
greenhouse
effect
recent
years,
we
aimed
investigate
adaptability
M.
adults
varying
temperatures.
In
this
study,
assessed
survival,
longevity,
fecundity,
feeding
capacity,
antioxidant
capacity
leaf
beetle
under
laboratory
conditions
at
25-34
°C.
Elevated
temperatures
(i.e.,
31
34
°C)
had
(negative)
impacts
on
adults'
survival
reproduction.
Similarly,
temperature
negatively
affected
adults,
with
impact
becoming
more
pronounced
increased.
Under
same
treatment
time,
SOD
CAT
activity
levels
increased
increase
temperature.
The
GST
showed
decreasing
trend.
POD
biphasic
response
temperatures,
first
then
increasing.
above
indicates
that
different
enzymes
have
sensitivity
high
laboratory,
our
work
analyzes
from
ecological
physiological
research
perspectives
provides
strategies
for
strengthening
its
subsequent
integrated
management
(IPM)
global
warming
or
extreme
weather
events.
Journal of Animal Ecology,
Год журнала:
2025,
Номер
unknown
Опубликована: Фев. 24, 2025
Climate
change
is
altering
the
seasonal
timing
of
biological
events
across
tree
life.
Phenological
asynchrony
has
potential
to
hasten
population
declines
and
disrupt
ecosystem
function.
However,
we
lack
broad
comparisons
degree
sensitivity
common
phenological
cues
multiple
trophic
levels.
Overcoming
complexity
integrating
data
levels
essential
for
identifying
spatial
locations
species
which
mismatches
are
most
likely
occur.
Here,
synthesized
over
15
years
three
estimate
four
interacting
in
eastern
North
America:
green-up
forest
canopy
trees,
emergence
adult
Lepidoptera
arrival
subsequent
breeding
migratory
birds.
We
next
quantified
magnitude
shift
per
one
unit
springtime
temperature
accumulation
as
measured
by
accumulated
growing
days
(GDD).
expected
responses
spring
be
related
physiology,
thus
predicting
a
weaker
response
birds
GDD
than
that
insects
plants.
found
insect
plant
phenology
indeed
had
similarly
strong
GDD,
while
bird
lower
sensitivity.
also
vegetation
were
more
sensitive
higher
latitudes,
but
was
less
latitudes.
Migratory
with
slow
migration
pace,
early
arrivals
northerly
wintering
grounds
shifted
their
most.
Across
Eastern
Temperate
Forests,
similar
shifts
support
use
remotely
sensed
track
how
food
resources
shifting
climate
change.
Our
results
indicate
that,
our
plant-insect-bird
system,
bird-insect
link
greater
mismatch
insect-plant
link,
risk
decoupling
at
Communications Biology,
Год журнала:
2023,
Номер
6(1)
Опубликована: Май 5, 2023
Abstract
Studies
of
long-term
trends
in
phenology
often
rely
on
climatic
averages
or
accumulated
heat,
overlooking
climate
variability.
Here
we
test
the
hypothesis
that
unusual
weather
conditions
are
critical
driving
adult
insect
phenology.
First,
generate
phenological
estimates
for
Lepidoptera
(moths
and
butterflies)
across
Eastern
USA,
over
a
70
year
period,
using
natural
history
collections
data.
Next,
assemble
set
predictors,
including
number
unusually
warm
cold
days
prior
to,
during,
flight
period.
We
then
use
phylogenetically
informed
linear
mixed
effects
models
to
evaluate
events,
context,
species
traits,
their
interactions
onset,
offset
duration.
find
increasing
numbers
both
were
strong
effects,
dramatically
This
effect
duration
is
likely
driven
by
differential
onset
termination
dynamics.
For
impact
dependent
but
cessation,
more
always
lead
later
particularly
multivoltine
species.
These
results
show
understanding
responses
under
global
change
must
account
especially
given
they
predicted
increase
frequency
severity.
Biochemical Society Transactions,
Год журнала:
2023,
Номер
51(2), С. 675 - 689
Опубликована: Март 16, 2023
Plasticity
in
developmental
processes
gives
rise
to
remarkable
environmentally
induced
phenotypes.
Some
of
the
most
striking
and
well-studied
examples
plasticity
are
seen
insects.
For
example,
beetle
horn
size
responds
nutritional
state,
butterfly
eyespots
enlarged
response
temperature
humidity,
environmental
cues
also
give
queen
worker
castes
eusocial
These
phenotypes
arise
from
essentially
identical
genomes
an
cue
during
development.
Developmental
is
taxonomically
widespread,
affects
individual
fitness,
may
act
as
a
rapid-response
mechanism
allowing
individuals
adapt
changing
environments.
Despite
importance
prevalence
plasticity,
there
remains
scant
mechanistic
understanding
how
it
works
or
evolves.
In
this
review,
we
use
key
discuss
what
known
about
insects
identify
fundamental
gaps
current
knowledge.
We
highlight
working
towards
fully
integrated
diverse
range
species.
Furthermore,
advocate
for
comparative
studies
evo-devo
framework
address