Research Square (Research Square),
Год журнала:
2022,
Номер
unknown
Опубликована: Авг. 19, 2022
Abstract
Brachaspis
nivalis
,
Sigaus
australis
and
Paprides
nitidus
are
grasshopper
species
endemic
to
Aotearoa
New
Zealand
where
they
sympatric
in
several
regions
of
South
Island.
On
mountains
Kā
Tiritiri
o
te
Moana
(Southern
Alps),
B.
is
most
abundant
on
scree/rock
habitat
whereas
S.
P.
prevalent
alpine
tussock
herbfields.
It
expected,
therefore,
that
these
have
different
sensory
needs
likely
be
apparent
the
type,
abundance,
distribution
chemo-sensilla
their
antennae.
also
sexual
selection
has
resulted
sex
linked
differences
sensilla.
To
test
hypotheses,
abundance
dorsal
ventral
surfaces
antennae
were
characterized
adult
males
females
three
species.
Five
types
identified
distal
portion
antenna:
chaetica,
basiconica,
trichoidea,
coeloconica,
cavity.
All
had
significantly
more
than
surface
a
similar
pattern
chemo-sensilla.
Despite
having
relatively
short
antenna,
largest
number
olfactory
sensilla,
but
fewest
chaetica
studied.
A
plausible
explanation
prefer
less
vegetated
habitats
compared
other
species,
therefore
may
rely
olfaction
(distance)
taste
(contact)
reception
for
finding
food.
No
significant
observed
between
sexes
however,
basiconica
sensilla
females.
Insects,
Год журнала:
2023,
Номер
14(1), С. 89 - 89
Опубликована: Янв. 13, 2023
Insects
that
are
freeze-tolerant
start
freezing
at
high
sub-zero
temperatures
and
produce
small
ice
crystals.
They
do
this
using
ice-nucleating
agents
facilitate
intercellular
growth
prevent
formation
of
large
crystals
where
they
can
damage
tissues.
In
Aotearoa/New
Zealand
the
majority
cold
adapted
invertebrates
studied
survive
any
time
year,
with
beginning
in
rich
microbiome
gut.
Some
insects
known
to
host
symbiotic
bacteria
and/or
fungi
we
speculate
gut
microbes
many
New
may
provide
active
compounds
moderate
freezing.
We
consider
too
possibility
evolutionary
disparate
insect
species
share
a
source
so
describe
potential
transmission
pathways
shared
fauna.
Despite
more
than
30
years
research
into
mechanisms
Southern
Hemisphere
insects,
role
exogenous
has
been
neglected.
Key
traits
three
lineages
considered
light
supercooling
point
(temperature
crystal
formation)
microbial
particles,
initiation
site
freezing,
implications
for
invertebrate
parasites.
outline
approaches
could
be
used
investigate
sources
tools
employed
study
microbiomes.
Insects,
Год журнала:
2025,
Номер
16(5), С. 547 - 547
Опубликована: Май 21, 2025
The
morphology,
number,
and
distribution
of
antennal
sensilla
differ
between
males
females,
reflecting
adaptations
to
sex-specific
ecological
roles
life
histories.
In
this
study,
scanning
electron
microscopy
was
employed
examine
the
structure
types
adult
females
Sclerodermus
guani
Xiao
et
Wu
1983
(Hymenoptera:
Bethylidae),
with
a
focus
on
identifying
morphological
differences
sexes.
results
revealed
that
antennae
both
sexes
are
geniculate;
however,
female
shorter
broader
than
those
males.
Each
antenna
comprises
13
segments,
including
scape
(1
segment),
pedicel
flagellum
(11
segments).
Eight
distinct
were
identified
notable
in
subtypes.
Trichoid
subtype
III
found
exclusively
males,
whereas
long
basiconic
II
unique
females.
More
70%
olfactory
nature,
highlighting
their
predominant
role
chemical
detection.
observed
sexual
dimorphism
morphology
suggests
functional
specialization,
potentially
linked
host
localization
mate
location
Proceedings of the National Academy of Sciences,
Год журнала:
2024,
Номер
121(30)
Опубликована: Июль 17, 2024
Sex
pheromones
play
a
crucial
role
in
mate
location
and
reproductive
success.
Insects
face
challenges
finding
mates
low-density
environments.
The
population
dynamics
of
locusts
vary
greatly,
ranging
from
solitary
individuals
to
high-density
swarms,
leading
multiple-trait
divergence
between
gregarious
phases.
However,
differences
sexual
communication
have
not
been
sufficiently
explored.
Herein,
we
found
that
but
ones
heavily
rely
on
single
compound,
dibutyl
phthalate
(DBP),
for
communication.
DBP
is
abundantly
released
by
female
elicits
strong
attraction
male
locusts.
Solitary
adult
males
display
much
higher
electrophysiological
responses
than
females.
Additionally,
LmigOr13
was
identified
as
the
DBP-specific
odorant
receptor
expressed
neurons
housed
basiconic
sensilla.
Male
Insects,
Год журнала:
2022,
Номер
13(7), С. 579 - 579
Опубликована: Июнь 25, 2022
Insect
olfactory
sensilla
house
sensory
neurons
(OSNs)
and
supports
cells
(SCs).
The
processes
require,
besides
the
odorant
receptors
(ORs),
insect-specific
members
of
CD36
family,
named
neuron
membrane
proteins
(SNMPs).
While
SNMP1
is
considered
to
act
as
a
coreceptor
in
OR-mediated
detection
pheromones,
SNMP2
was
found
be
expressed
SCs;
however,
its
function
unknown.
For
desert
locust,
Schistocerca
gregaria,
we
previously
visualized
mRNA
for
OSNs
associated
with
OSN
clusters.
Towards
an
understanding
their
functional
implication,
it
imperative
explore
cellular
subcellular
localization
SNMP
proteins.
Therefore,
have
generated
polyclonal
antibodies
against
used
fluorescence
immunohistochemistry
(FIHC)
visualize
We
somata
respective
dendrites
all
trichoid
subsets
basiconic
sensilla.
Notably,
also
detected
SCs
these
types.
In
contrast,
protein
only
coeloconic
sensilla,
but
not
Exploring
by
electron
microscopy
using
anti-SNMP1-ab
anti-SNMP2-ab
revealed
immunogold
labelling
SC
microvilli
bordering
sensillum
lymph.
Together
our
findings
suggest
dual
role
antenna
S.
some
subpopulations
odor
well
functions
SCs,
whereas
limited
support
cells.
Zoomorphology,
Год журнала:
2022,
Номер
142(1), С. 51 - 62
Опубликована: Ноя. 7, 2022
Abstract
Brachaspis
nivalis
,
Sigaus
australis
and
Paprides
nitidus
are
grasshopper
species
endemic
to
Aotearoa,
New
Zealand
where
they
sympatric
in
several
regions
of
South
Island.
On
mountains
Kā
Tiritiri
o
te
Moana
(Southern
Alps),
B.
is
more
abundant
on
scree/rock
habitat,
whereas
S.
P.
prevalent
alpine
tussock
herbfields.
It
expected,
therefore,
that
these
have
different
sensory
needs
likely
be
apparent
the
type,
abundance,
distribution
chemo-sensilla
their
antennae.
also
natural
selection
has
resulted
sexual
differences
sensilla.
To
test
hypotheses,
abundance
dorsal
ventral
surfaces
antennae
were
characterized
adult
males
females
three
species.
Five
types
identified
distal
portion
antenna:
chaetica,
basiconica,
trichoidea,
coeloconica,
cavity.
All
had
significantly
than
surface
a
similar
pattern
chemo-sensilla.
Despite
having
relatively
short
antenna,
largest
number
olfactory
sensilla,
but
fewest
chaetica
studied.
A
plausible
explanation
less
vegetated
habitats
compared
other
species,
therefore
may
rely
olfaction
(distance)
gustatory
(contact)
reception
for
finding
food.
No
significant
observed
between
sexes
however,
basiconica
sensilla
females.
Insects,
Год журнала:
2023,
Номер
14(7), С. 638 - 638
Опубликована: Июль 14, 2023
Chemical
communication
is
widespread
among
insects
and
exploited
to
adjust
their
behavior,
such
as
food
habitat
seeking
preferences,
recruitment,
defense,
mate
attraction.
Recently,
many
studies
have
revealed
that
microbial
symbionts
could
regulate
host
chemical
by
affecting
the
synthesis
perception
of
insect
semiochemicals.
In
this
paper,
we
review
recent
influence
on
chemoreception.
Microbial
may
sensitivity
semiochemicals
regulating
odorant-binding
proteins
or
chemosensory
olfactory
gustatory
receptors
neurotransmission,
thereby
adjusting
behavior.
The
manipulation
behavior
conducive
proliferation
dispersal
provides
impetus
for
change
feeding
habits
aggregation
which
contributes
population
differentiation
in
insects.
Future
research
necessary
reveal
material
information
exchange
between
both
partners
improve
our
comprehension
evolution
chemoreception
Manipulating
physiology
inoculating
them
with
microbes
be
utilized
a
potential
approach
managing
populations.
