Effects of salinity on desiccation resistance in supratidal beetles: cross-tolerance or cross-susceptibility?
Estuarine Coastal and Shelf Science,
Год журнала:
2025,
Номер
unknown, С. 109131 - 109131
Опубликована: Янв. 1, 2025
Язык: Английский
Oceanic currents maintain the genetic structure of non-marine coastal taxa in the western Mediterranean Sea
npj Biodiversity,
Год журнала:
2023,
Номер
2(1)
Опубликована: Ноя. 20, 2023
Coastal
habitats
are
amongst
the
most
dynamic
on
Earth,
due
to
their
simultaneous
exposure
terrestrial,
oceanic
and
atmospheric
processes.
taxa
therefore
often
ecologically
specialised
adapted
withstand
frequent
shifts
in
sea
level,
wave
exposure,
temperature
or
salinity.
This
specialisation
resulting
significant
cryptic
diversity.
Previous
molecular
studies
have
suggested
that
genetic
differentiation
non-marine
coastal
organisms
may
be
influenced
by
currents
fronts,
but
extent
which
such
processes
affect
dispersal
evolution
of
remains
unclear.
Here
we
explore
whether
population
structure
two
supralittoral
rockpool
beetle
species
(genus
Ochthebius)
can
predicted
from
general
circulation
pattern
marine
associated
fronts.
We
simulated
using
a
Lagrangian
particle
tracking
model
compared
this
with
inferred
COI
(mitochondrial)
wingless
(nuclear)
genes
applying
linear
models
Mantel
tests.
show
biophysical
based
fronts
western
Mediterranean
Sea
is
much
better
predictor
observed
than
isolation
distance
both
species.
Our
results
processes,
besides
shaping
contemporary
connectivity
fully
organisms,
also
exert
meaningful
influence
terrestrially-derived
as
beetles
-
first
time
mode
has
been
demonstrated
an
insect.
Язык: Английский
Novel Microsatellite Loci, Cross-Species Validation of Multiplex Assays, and By-Catch Mitochondrial Genomes on Ochthebius Beetles from Supratidal Rockpools
Insects,
Год журнала:
2023,
Номер
14(11), С. 881 - 881
Опубликована: Ноя. 15, 2023
Here
we
focus
on
designing,
for
the
first
time,
microsatellite
markers
evolutionary
and
ecological
research
aquatic
beetles
from
genus
Ochthebius
(Coleoptera,
Hydraenidae).
Some
of
these
non-model
species,
with
high
cryptic
diversity,
exclusively
inhabit
supratidal
rockpools,
extreme
highly
dynamic
habitats
important
anthropogenic
threats.
We
analysed
15
individuals
four
species
(O.
lejolisii,
O.
subinteger,
celatus,
quadricollis)
across
10
localities
Mediterranean
coasts
Spain
Malta.
Using
next-generation
sequencing
technology,
two
libraries
were
constructed
to
interpret
subgenera
present
consistently
(Ochthebius
s.
str.,
quadricollis;
Cobalius,
rest
species).
Finally,
20
(10
each
subgenus)
obtained
successfully
tested
by
cross-validation
in
under
study.
As
a
by-catch,
could
retrieve
complete
mitochondrial
genomes
quadricollis,
subinteger.
Interestingly,
genome
quadricollis
exhibited
genetic
variability
compared
already
published
data.
The
novel
SSR
panels
will
be
valuable
future
identification,
structure,
population
connectivity
threatened
such
as
coastal
rockpools.
Язык: Английский
Flight Dispersal in Supratidal Rockpool Beetles
Insects,
Год журнала:
2024,
Номер
15(3), С. 140 - 140
Опубликована: Фев. 20, 2024
Flight
dispersal
is
ecologically
relevant
for
the
survival
of
supratidal
rockpool
insects.
Dispersal
has
important
consequences
colonisation,
gene
flow,
and
evolutionary
divergence.
Here,
we
compared
flight
capacity
two
congeneric
beetle
species
(Ochthebius
quadricollis
Ochthebius
lejolisii)
that
exclusively
inhabit
these
temporary,
fragmented,
extreme
habitats.
We
estimated
inferred
in
both
using
different
approaches:
experimental
flying
assays,
examination
wing
morphology,
comparison
microsatellite
markers
between
species.
Our
findings
revealed
exhibited
similar
behaviour,
with
60
to
80%
individuals
under
water
heating
conditions.
Notably,
females
had
larger
body
sizes
areas,
along
lower
loading,
than
males
O.
quadricollis.
These
morphological
traits
are
related
higher
more
energetically
efficient
flight,
which
could
indicate
a
female-biassed
pattern.
The
shapes
characterised
by
relatively
narrower
wings
relation
other
genus,
suggesting
high
at
short
distances.
Molecular
data
low
genetic
divergences
neighbouring
populations,
non-significant
differences
species,
no
isolation
distance
effect
study
scale
(<100
km).
results
point
passive
assisted
wind.
Язык: Английский
Overlooked coastal habitats expose a new species: Ochthebius vilanovensis sp. nov. (Coleoptera, Hydraenidae)
Zootaxa,
Год журнала:
2024,
Номер
5538(5), С. 439 - 447
Опубликована: Ноя. 18, 2024
We
describe
a
new
water
beetle
species,
Ochthebius
vilanovensis
sp.
nov.,
from
supralittoral
coastal
crevices
on
the
northern
Mediterranean
coast
of
Spain.
Detailed
morphological
and
molecular
analyses
reveal
significant
divergence
closely
related
highlighting
its
taxonomic
status.
This
discovery
emphasises
ecological
importance
habitats
suggests
potential
for
uncovering
additional,
cryptic
species
in
these
environments.
Язык: Английский