A new widely distributed invasive alien species of Amasa ambrosia beetles (Coleoptera: Curculionidae: Scolytinae: Xyleborini)
Zootaxa,
Год журнала:
2024,
Номер
5403(3), С. 385 - 390
Опубликована: Янв. 21, 2024
Amasa
parviseta
Knížek
&
Smith,
new
species
is
described
from
Australia,
Brazil,
Uruguay,
France
and
Spain.
The
native
to
Australia
appears
have
spread
widely
in
association
with
introduced
Eucalyptus
species.
Язык: Английский
Erwiniaceae bacteria play defensive and nutritional roles in two widespread ambrosia beetles
FEMS Microbiology Ecology,
Год журнала:
2023,
Номер
99(12)
Опубликована: Ноя. 9, 2023
Ambrosia
beetles
are
fungal-growing
insects
excavating
galleries
deep
inside
the
wood.
Their
success
as
invaders
increased
scientific
interest
towards
them.
However,
most
studies
on
their
microbiota
targeted
fungal
associates
whereas
role
of
bacterial
is
understudied.
To
explore
abundant
microbial
associates,
we
isolated
bacteria
from
active
two
widespread
ambrosia
beetles,
Xylosandrus
crassiusculus
and
X.
germanus.
These
isolates
were
classified
within
Erwiniaceae
family
through
a
phylogenetic
analysis
including
other
showed
that
they
clustered
with
obtained
bark
Erwinia
typographi.
The
whole
genome
isolate
suggested
this
bacterium
plays
both
nutritional
role,
by
providing
essential
amino
acids
enzymes
for
hydrolysis
plant
biomass,
defensive
producing
antibiotics.
This
was
also
tested
in
vitro
against
fungi,
mutualists,
common
parasites.
inhibited
growth
some
parasites
but
did
not
affect
mutualists.
Our
study
supported
hypothesis
mutualist
highlighed
importance
maintaining
symbiosis
host
fungi.
Язык: Английский
Bacterial communities associated with ambrosia beetles: current knowledge and existing gaps
Frontiers in Microbiology,
Год журнала:
2025,
Номер
16
Опубликована: Апрель 9, 2025
Ambrosia
beetles
(Curculionidae:
Scolytinae
and
Platypodinae)
are
wood-boring
insects
studied
as
examples
of
fungus-insect
symbiosis
for
their
success
invasive
species.
While
most
research
on
microbiota
has
focused
fungal
associates,
bacterial
communities
remain
largely
understudied.
In
this
review,
we
synthesize
current
knowledge
the
ambrosia
beetles,
identify
critical
gaps
in
field,
provide
recommendations
future
research.
To
date,
eight
metabarcoding
studies
have
explored
analyzing
a
total
13
species,
mostly
within
tribe
Xyleborini
(Scolytinae).
These
examined
presence
bacteria
beetle
mycetangia,
organs
specialized
transporting
symbionts,
well
diversity
gardens
whole
across
different
life
stages,
under
varying
environmental
conditions.
general,
appear
to
be
highly
specific
differ
between
gardens.
Most
employed
16S
rRNA
gene
metabarcoding,
optimal
primer
combination
characterizing
samples
is
515F/806RB
(V4).
Various
methods
collecting
been
used,
such
ethanol-baited
traps,
direct
collection
from
galleries,
logs
kept
emergence
cages,
rearing,
but
which
them
select
when
planning
study
depends
aim.
A
significant
gap
remains
regarding
functional
roles
dominant
taxa,
often
assume
that
these
similar
those
played
other
bark
beetles.
More
should
conducted
test
hypotheses
various
factors
influencing
microbial
composition
function,
advanced
molecular
techniques,
including
(meta-)
genome
transcriptome
sequencing,
only
limited
number
studies,
could
offer
great
potential
help
bridging
gap.
Язык: Английский
Identification of the ambrosia beetle Xyleborinus saxesenii (Ratzeburg, 1837) (Coleoptera: Curculionidae: Scolytinae) from frass and adult DNA by TaqMan Probe real‐time‐PCR
EPPO Bulletin,
Год журнала:
2024,
Номер
54(1), С. 84 - 94
Опубликована: Янв. 22, 2024
Abstract
A
molecular
tool
has
been
set
up
for
the
unambiguous
identification
of
ambrosia
beetle,
Xyleborinus
saxesenii
(Ratzeburg,
1837)
(Coleoptera
Curculionidae
Scolytinae),
cosmopolitan
fruit‐tree
pinhole
borer,
widely
distributed
in
temperate
regions
five
continents,
where
it
infests
a
wide
range
hardwoods
and
softwoods.
The
test
was
based
on
real‐time
PCR
with
TaqMan
probe
technology
developed
whole
insect
bodies
(adults)
as
well
frass
produced
by
beetle.
shown
to
meet
criteria
established
EPPO
harmonization
diagnostic
methods.
In
particular,
gave
good
results
terms
analytical
specificity
(inclusivity
exclusivity)
sensitivity,
fully
repeatable
reproducible.
Since
X.
is
one
most
commonly
intercepted
beetles
during
phytosanitary
controls
worldwide,
this
practical
will
be
useful
its
rapid
beetle
biological
material
(frass,
body
fragments).
can
countries
quarantine
species,
region.
Язык: Английский
The Biology, Impact, and Management of <em>Xyleborus </em>Beetles: A Comprehensive Review
Опубликована: Авг. 13, 2024
Xyleborus
beetles,
a
diverse
group
of
ambrosia
present
significant
challenges
to
forestry
and
agriculture
due
their
damaging
burrowing
behavior
symbiotic
relationships
with
fungi.
This
review
synthesizes
current
knowledge
on
the
biology,
ecology,
management
Xyleborus.
We
explore
beetles'
life
cycle,
reproductive
strategies,
habitat
preferences,
feeding
habits,
emphasizing
ecological
economic
impacts.
Control
including
preventive
measures,
chemical
biological
control,
integrated
pest
(IPM),
are
critically
evaluated.
Recent
advances
in
molecular
genetics
behavioral
studies
offer
insights
into
genetic
diversity,
population
structure,
host
selection
mechanisms.
Despite
progress,
managing
effectively
remains
challenging.
identifies
future
research
needs
highlights
innovative
control
methods,
such
as
biopesticides
pheromone-based
trapping
systems.
Язык: Английский
The Biology, Impact, and Management of Xyleborus Beetles: A Comprehensive Review
Insects,
Год журнала:
2024,
Номер
15(9), С. 706 - 706
Опубликована: Сен. 17, 2024
beetles,
a
diverse
group
of
ambrosia
present
challenges
to
forestry
and
agriculture
due
their
damaging
burrowing
behavior
symbiotic
relationships
with
fungi.
This
review
synthesizes
current
knowledge
on
the
biology,
ecology,
management
Язык: Английский
Commodity risk assessment of maple veneer sheets from Canada
EFSA Journal,
Год журнала:
2024,
Номер
22(7)
Опубликована: Июль 1, 2024
Abstract
The
European
Commission
requested
the
EFSA
Panel
on
Plant
Health
to
deliver
a
risk
assessment
likelihood
of
pest
freedom
from
Union
quarantine
pests
and
subject
measures
adopted
pursuant
Article
30
Regulation
(EU)
No
2016/2031
for
maple
veneer
sheets
manufactured
according
process
set
out
by
Canada,
with
emphasis
Davidsoniella
virescens
Phytophthora
ramorum
(non‐EU
isolates).
was
conducted
up
0.7
mm
6
thickness,
taking
into
account
different
phases
in
production
systems
approach.
Some
those
phases,
taken
alone,
including
heat
treatment
logs
water
bath,
cutting
thin
final
high
drying
are
expected
be
effective
against
some
pests,
without
uncertainties,
making
system
approach
fully
effective.
panel
considers
that
no
insects
would
survive
Xylella
fastidiosa
will
not
temperatures
bath
veneers.
degree
groups
organisms
is
generally
very
slightly
lower
thickness
because
reached
compared
thinner
sheets.
P.
sheets,
but
it
may
inside
thicker
Expert
Knowledge
Elicitation
(EKE)
indicated,
95%
certainty,
between
9989
10,000
(thickness
mm)
per
free
living
ramorum.
For
D.
virescens,
EKE
9984
(0.7
9954
(6
inoculum.
other
relevant
greatest
presence
observed
wood
decay
fungi.
9967
9911
Язык: Английский