Sexual Dimorphism and Morphological Modularity in Acanthoscelides obtectus (Say, 1831) (Coleoptera: Chrysomelidae): A Geometric Morphometric Approach
Insects,
Journal Year:
2021,
Volume and Issue:
12(4), P. 350 - 350
Published: April 14, 2021
Sexual
dimorphism
and
specific
patterns
of
development
contribute
in
a
great
manner
to
the
direction
degree
sexual
differences
body
size
shape
many
insects.
Using
landmark-based
geometric
morpohometrics
approach,
we
investigated
sex-specific
morphological
variation
seed
beetle,
Acanthoscelides
obtectus.
We
also
tested
functional
hypothesis
two
modules—thorax
abdomen
both
sexes.
Female-biased
was
shown,
while
were
reflected
wider
thorax
shorter
females
comparison
males.
The
two-module
confirmed
only
before
correction
for
size,
sexes
after
allometry
correction.
Our
results
indicate
that
reproductive
function
has
central
role
forming
modularity.
hypothesize
high
integration
from
intense
stabilizing
selection,
more
relaxed
males
is
driven
by
higher
intensity
selection.
Language: Английский
Mosaic Evolution of Grasping and Genital Traits in Two Sympatric Scorpion Species with Reproductive Interference
Evolutionary Biology,
Journal Year:
2024,
Volume and Issue:
51(1), P. 124 - 148
Published: Jan. 27, 2024
Language: Английский
The ultrastructure of sperm and female sperm storage organs in the water strider Gerris lacustris L. (Heteroptera) and a possible example of genital coevolution
Arthropod Structure & Development,
Journal Year:
2021,
Volume and Issue:
61, P. 101043 - 101043
Published: March 1, 2021
Language: Английский
Functional, genetic, and structural constraints on the exaggeration and diversification of male genital morphology inOhomopterusground beetles
Karen Terada,
No information about this author
Sougo Takahashi,
No information about this author
Yasuoki Takami
No information about this author
et al.
Entomological Science,
Journal Year:
2023,
Volume and Issue:
26(1)
Published: Jan. 31, 2023
Abstract
The
evolution
of
exaggerated
sexual
traits
may
be
possible
by
the
relaxation
various
constraints
on
exaggeration.
Functional
refer
to
reduced
performance
per
se
or
increased
survival
costs
holding
traits.
Genetic
constraints,
such
as
genetic
correlations
pleiotropy,
hinder
independent
and
exaggeration
Structural
competition
for
space
resources
among
traits,
require
coordination
trait
with
surrounding
structures.
remarkable
diversity
male
genital
morphology
provides
an
ideal
opportunity
examining
In
this
study,
we
addressed
based
a
comparative
analysis
phenotypic
covariation
between
genitalia
other
body
parts
using
Ohomopterus
ground
beetles.
We
found
that
were
related
functional
constraint,
revealed
steeper
allometric
slope
in
species
genitalia.
By
contrast,
constraint
shared
basis
appendages
have
little
effect
diversification
strongest
most
genitalia,
suggesting
observed
was
result
These
findings
improve
our
understanding
underlying
constraints.
Language: Английский
De novo construction of a transcriptome for the stink bug crop pest Chinavia impicticornis during late development
bioRxiv (Cold Spring Harbor Laboratory),
Journal Year:
2020,
Volume and Issue:
unknown
Published: Dec. 6, 2020
Abstract
Chinavia
impicticornis
is
a
Neotropical
stink-bug
(Hemiptera:
Pentatomidae)
with
economic
importance
for
different
crops.
Little
known
about
the
development
of
species,
as
well
genetic
mechanisms
that
may
favor
establishment
populations
in
cultivated
plants.
Here
we
conduct
first
large-scale
molecular
study
C.
.
We
generated
RNA-seq
data
males
and
females,
at
two
immature
stages,
genitalia
separately
rest
body.
assembled
transcriptome
functional
annotation.
De
novo
based
on
whole
bodies
females
contained
around
400,000
contigs
an
average
length
688
bp.
After
pruning
duplicated
sequences
conducting
annotation,
final
annotated
comprised
39,478
transcripts
which
12,665
had
GO
terms
assigned.
These
novel
datasets
will
provide
invaluable
discovery
processes
related
to
morphogenesis
biology.
hope
contribute
growing
research
stink
bug
evo-devo
bio-rational
solutions
pest
management.
Language: Английский
Mosaic evolution of grasping and genitalic traits in two sympatric scorpion species with reproductive interference
Research Square (Research Square),
Journal Year:
2023,
Volume and Issue:
unknown
Published: Jan. 9, 2023
Abstract
Reproductive
interference
(RI)
can
occur
when
two
related
species
coexist
in
sympatry,
involving
sexual
attraction,
mating,
and
even
hybridization
between
heterospecifics.
Consequently,
reproductive
key
characters
of
these
may
suffer
morphological
shifts
sympatry
to
avoid
the
success
heterospecific
interactions,
a
phenomenon
known
as
character
displacement
(RCD).
RCD
be
promoted
by
natural
selection,
although
selection
pressures
act
synergistically
or
agonistically
so
that
phenotypic
variation
respond
different
directions
magnitudes
forces.
In
turn,
size
shape
differentially
(mosaic
evolution)
pressures,
analysis
multiple
dimensions
traits
is
essential
understand
complexity
their
variability.
To
date,
there
are
no
studies
evaluating
this
topic
scorpions,
(
Urophonius
brachycentrus
U.
achalensis
)
sympatric
synchronous
with
RI
represent
an
ideal
model
evaluate
occurrence
RCD.
addition,
populations
found
altitudinal
cline,
environmental
factors
also
responsible
for
explaining
variation.
We
compared
intra-specific
variation,
involved
courtship,
sperm
transfer
individuals
from
allopatric
using
geometric
morphometrics.
asymmetric
several
courtship
(grasping
structures)
(genital
characters).
This
would
evidence
action
existence
possible
mechanism
mating
success.
we
pattern
where
one
zone
suffered
increase
due
(pattern
convergence).
The
convergence
combined
scramble
competition
system
could
intensify
on
specific
characters,
which
was
reflected
high
coefficients
Our
results
suggest
zone,
selective
regimes
various
evaluated,
support
mosaic
evolution.
comprehensive
study
illuminates
inherent
evolution
multi-functional
previously
unexplored
model,
providing
novel
insights
under
animal
systems
experimenting
RI.
Language: Английский
De novo construction of a transcriptome for the stink bug crop pest Chinavia impicticornis during late development
Gigabyte,
Journal Year:
2020,
Volume and Issue:
2020, P. 1 - 7
Published: Dec. 31, 2020
Chinavia
impicticornis
is
a
neotropical
stink
bug
of
economic
importance
for
various
crops.
Little
known
about
the
development
species,
or
genetic
mechanisms
that
may
favor
establishment
populations
in
cultivated
plants.
Here,
we
conduct
first
large-scale
molecular
study
C.
impicticornis.
Using
tissues
derived
from
genitalia
and
rest
body
two
immature
stages
both
males
females,
generated
RNA-seq
data,
then
assembled
functionally
annotated
transcriptome.
The
de
novo-assembled
transcriptome
contained
around
400,000
contigs,
with
an
average
length
688
bp.
After
pruning
duplicated
sequences
conducting
functional
annotation,
final
comprised
39,478
transcripts,
which
12,665
were
assigned
to
Gene
Ontology
(GO)
terms.
These
novel
datasets
will
be
invaluable
discovery
processes
related
morphogenesis
biology.
We
hope
contribute
growing
research
on
evolution
development,
as
well
biorational
pest
management
solutions.
Language: Английский