Insects,
Journal Year:
2022,
Volume and Issue:
13(11), P. 1009 - 1009
Published: Nov. 1, 2022
Ethanol
(ETOH)
affects
many
animals'
behaviour
in
nature;
for
example,
honeybees
become
more
aggressive
after
consuming
ETOH.
In
previous
studies,
scientists
have
used
and
fruit
flies
as
models
to
determine
if
they
showed
a
strong
preference
Moreover,
ETOH
could
affect
their
locomotion
learning
abilities.
However,
whether
how
spiders
is
unclear
of
yet.
this
study,
we
empirical
experiments
ETOH,
well
the
potential
benefits
choosing
by
using
common
spider,
Myrmarachne
gisti,
which
has
high
probability
contacting
habitat.
our
experiment,
M.
gisti
significant
Although
success
rate
first
attack
was
significantly
decreased
when
were
exposed
had
higher
predation
probability,
since
also
Our
findings
suggested
that
prey
capture
efficiency
indicated
might
evolve
use
locate
hunting
place.
Taken
together,
evolved
adapt
it
signal
presence
food
resources.
Insect Science,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Oct. 9, 2024
Spiders
are
an
abundant
group
of
natural
enemies
preying
on
insect
pests
in
agroecosystem.
But
their
potential
biological
control
has
not
been
fully
realized
due
to
difficult
mass
production.
One
hindrance
is
the
intense
intraspecific
aggression
spiders.
Neurotransmitters
such
as
serotonin
play
important
roles
modulating
aggression.
Here,
we
investigated
regulatory
function
(5-hydroxytryptamine
[5-HT])
signaling
a
wandering
spider
Pardosa
pseudoannulata
(Araneae,
Lycosidae).
The
was
quantified
with
5
escalated
behaviors
approach,
chasing,
lunging,
boxing,
and
biting.
Virgin
(VG)
females
exhibited
higher
levels
but
less
5-HT
content
than
post-reproductive
(PR)
females.
Systemic
increase
via
injection
decreased
aggression,
while
decrease
RNA
interference
(RNAi)
tryptophan
hydroxylase
gene,
increased
involvement
four
receptors
were
determined
individual
or
combined
RNAi.
Co-RNAi
three
5-HT1
genes
overall
incidents
RNAi
5-HT1B
approach
biting,
whereas
5-HT1A
5-HT1C
did
affect
5-HT7
only.
Therefore,
different
receptor
types
contribute
aspects
inhibitory
effects
provide
several
pharmacological
targets
for
manipulating
spiders'
predation
prey,
brown
planthopper
Nilaparvata
lugens.
findings
reveal
1
neuronal
mechanism
regulating
spiders
insight
developing
suppression
strategies
rearing.
Functional Ecology,
Journal Year:
2023,
Volume and Issue:
37(9), P. 2434 - 2446
Published: July 9, 2023
Abstract
According
to
Weber's
law
of
proportional
processing,
perceptual
discrimination
between
stimuli
different
magnitudes
is
based
on
their
differences
in
magnitude
(not
absolute
differences).
Proportional
processing
operates
various
sensory
modalities
and
behavioural
contexts.
However,
whether
female
mate
preference
for
colour
patterns
animals
follows
remains
untested.
We
addressed
this
research
gap
using
the
jade
jumping
spider,
Siler
semiglaucus
,
whose
males
exhibit
remarkable
sexually
selected
females
show
preferences
with
low
abdomen
pattern
contrast
(pattern
defined
as
spatial
feature
relative
abundance
two
adjacent
patches).
By
manipulating
dorsal
S.
males,
we
created
varying
contrasts.
then
assessed
that
varied
both
contrast.
found
preferred
lower
contrasts
discriminated
While
difference
alone
was
not
a
significant
predictor
mate‐choice,
coupled
had
greater
influence
than
alone.
Hence,
our
findings
suggest
law,
may
have
potential
limit
exaggeration
patterns.
Read
free
Plain
Language
Summary
article
Journal
blog.
Behavioral Ecology,
Journal Year:
2023,
Volume and Issue:
35(1)
Published: Dec. 23, 2023
Abstract
Mate
choice
is
an
important
cause
of
natural
and
sexual
selection
drives
the
evolution
elaboration
male
ornaments.
Yet
mate
decisions
are
often
neither
consistent
nor
uniform,
a
range
factors
have
been
identified
to
influence
variation
between
within
individuals.
A
potential
source
influencing
preferences
and/or
choosiness
animal
personality,
that
is,
repeatable
among-individual
differences
in
behaviors.
Not
only
may
individuals
differ
average
personality
phenotype
but
also
vary
how
consistently
they
display
said
personality.
Distinguishing
consistency
because
both
aspects
potentially
naturally
selected
traits
yet
sexually
ornaments
evaluated.
Here,
we
use
predator
evasion
assay
test
whether
there
boldness
among
female
gray
treefrogs
(Hyla
versicolor),
then
examine
(spectrum
shy
bold)
correlated
with
for
longer
duration
calls.
We
document
substantial
between-individual
boldness,
suggesting
presence
Results
reveal
which
females
expressed
independent
from
it
choosiness:
more
bold
were
choosier.
Insects,
Journal Year:
2022,
Volume and Issue:
13(11), P. 1009 - 1009
Published: Nov. 1, 2022
Ethanol
(ETOH)
affects
many
animals'
behaviour
in
nature;
for
example,
honeybees
become
more
aggressive
after
consuming
ETOH.
In
previous
studies,
scientists
have
used
and
fruit
flies
as
models
to
determine
if
they
showed
a
strong
preference
Moreover,
ETOH
could
affect
their
locomotion
learning
abilities.
However,
whether
how
spiders
is
unclear
of
yet.
this
study,
we
empirical
experiments
ETOH,
well
the
potential
benefits
choosing
by
using
common
spider,
Myrmarachne
gisti,
which
has
high
probability
contacting
habitat.
our
experiment,
M.
gisti
significant
Although
success
rate
first
attack
was
significantly
decreased
when
were
exposed
had
higher
predation
probability,
since
also
Our
findings
suggested
that
prey
capture
efficiency
indicated
might
evolve
use
locate
hunting
place.
Taken
together,
evolved
adapt
it
signal
presence
food
resources.
