Evaluating the push‐pull strategy in eastern apple orchards: verbenone effectively reduces ambrosia beetle populations without the need for a pull factor in a species‐specific manner
Pest Management Science,
Год журнала:
2025,
Номер
unknown
Опубликована: Март 11, 2025
Abstract
BACKGROUND
Non‐native
ambrosia
beetles
(Coleoptera:
Curculionidae:
Scolytinae),
specifically
Xylosandrus
germanus
(Blandford),
crassiusculus
(Motschulsky),
and
more
recently
Anisandrus
maiche
(Kurentzov)
are
destructive
wood‐boring
pests
of
apple
trees
(
Malus
domestica
).
Previous
studies
have
demonstrated
all
three
beetle
species
strongly
attracted
to
ethanol
verbenone
interrupts
their
attraction
ethanol.
We
tested
a
‘push‐pull’
management
strategy
in
eastern
United
States
orchards
states
New
York,
Pennsylvania,
Ohio
using
sachets
‘push’
away
from
high
release
lures
‘pull’
them
into
clear
sticky
traps.
Three
treatment
plots
were
established
replicated
twice
each
state:
(a)
only
(pull),
(b)
(push),
(c)
+
(push‐pull).
RESULTS
The
most
abundant
captured
the
study
X.
A.
both
Pennsylvania.
Our
results
showed
that
fewer
caught
traps
paired
with
push
(verbenone
only)
compared
pull
(ethanol
only).
However,
pairing
push‐pull
components
together
did
not
result
an
increased
reduction
captures
component,
unless
populations
extremely
high.
CONCLUSION
Deploying
within
orchard
rows
closest
woodlot
edges
can
significantly
reduce
migration
orchard.
©
2025
Society
Chemical
Industry.
Язык: Английский
Influence of the Ethanol Lure and Concentration on Captures of Ambrosia Beetles in Tree Fruits and Ornamentals
Journal of Applied Entomology,
Год журнала:
2024,
Номер
unknown
Опубликована: Окт. 17, 2024
ABSTRACT
Xylosandrus
crassiusculus
(Motschulsky)
and
germanus
(Blandford)
(Coleoptera:
Curculionidae:
Scolytinae)
are
major
ambrosia
beetle
pests
in
tree
nut
fruit
orchards
ornamental
nurseries
the
eastern
United
States
(USA).
Ethanol‐baited
bottle
traps
ethanol‐infused
stem
sections
(i.e.,
bolts)
have
been
used
to
monitor
beetles,
but
limited
studies
exist
on
influence
of
ethanol‐lure
release
rate
trap
captures
bolt
attacks.
We
designed
this
study
compare
low‐release
(LR)
high‐release
(HR)
ethanol
lures
for
capturing
invasive
beetles.
also
compared
attacks
among
bolts
pre‐soaked
solutions
low
(10%)
high
(90%)
concentrations
cored
filled
with
same
concentrations.
In
2022,
experiments
were
conducted
apple,
peach,
or
pecan
five
USA
states.
Higher
numbers
X.
captured
baited
HR
lure
LR
at
most
sites.
More
per
by
observed
sites
90%
10%
ethanol.
Bolts
soaked
sustained
more
from
both
than
These
results
will
assist
monitoring
flight
activity
beetles
within
nut,
fruit,
crops.
Язык: Английский
Ethanol release patterns and captures of Xylosandrus spp. (Coleoptera: Curculionidae) in ornamental nursery
Journal of Economic Entomology,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 10, 2025
Abstract
Xylosandrus
crassiusculus
Motschulsky
and
germanus
Blandford
are
serious
ambrosia
beetle
pests
in
ornamental
nurseries.
Three
ethanol
baits,
AgBio
low
release
(LR),
high
(HR),
Trécé
commercially
available
for
use
bottle
traps
to
determine
flight
activity
of
adult
spp.
However,
patterns
from
these
baits
under
varying
temperatures
captures
poorly
understood.
Thus,
the
objectives
this
study
were
(i)
rates
constant
variable
(ii)
compare
relative
using
When
3-d
difference
(3-d
difference)
bait
weights
recorded
15.6,
21.1,
26.7,
32.2
°C,
an
increase
was
with
temperature
15.6
°C
LR
bait.
At
no
or
reduction
3-d-difference
found
HR
respectively,
compared
The
steady
all
3
when
gradually
increased
decreased
sequence
30
d.
In
2022,
2023,
2024,
although
captured
X.
germanus,
significantly
more
numbers
than
other
2
2022
greater
baits.
can
effectively
detect
early
adults
Язык: Английский
Ornamental nurseries adjacent to hardwood-dominated woodlots pose more risk from exotic ambrosia beetles (Xylosandrus spp.) (Coleoptera: Curculionidae: Scolytinae) than pine-dominated woodlots
Environmental Entomology,
Год журнала:
2025,
Номер
unknown
Опубликована: Фев. 7, 2025
Exotic
granulate
ambrosia
beetle,
Xylosandrus
crassiusculus
(Motschulsky),
black
stem
borer,
germanus
(Blandford),
and
twig
compactus
(Eichhoff)
are
serious
pests
of
woody
ornamental
trees
in
nurseries.
Woodlots
often
surround
nurseries,
where
the
beetles
fly
into
nurseries
attack
young
trees.
The
woodlots
either
dominated
by
hardwood
trees,
such
as
Oaks
(Oak
spp.),
maples
(Acer
or
pine
mainly
loblolly
(Pinus
taeda
L.).
It
is
unclear
if
woodlot
type
would
influence
abundance
beetle
flying
outside
woodlot.
Thus,
this
study
aimed
to
determine
whether
pine-dominated
stand
affects
relative
In
2023
2024,
experiments
were
conducted
deploying
3
ethanol-lured
plastic
bottle
traps
4
mid-Georgia
(USA).
overall
captures
X.
significantly
greater
than
both
years.
numbers
collected
not
consistently
different
between
for
most
sampling
dates.
influenced
type.
This
suggests
that
although
from
years,
risk
infestation
adjacent
woodlots.
Язык: Английский
Effects of Trap Color and Placement Height on the Capture of Ambrosia Beetles in Pecan Orchards
Insects,
Год журнала:
2025,
Номер
16(6), С. 569 - 569
Опубликована: Май 28, 2025
Ambrosia
beetles
(Coleoptera:
Curculionidae:
Scolytinae)
in
the
tribe
Xyleborini
are
economically
important
pests
of
woody
ornamentals,
tree
nuts,
and
fruit
orchards,
including
pecans
United
States.
Among
them,
granulate
ambrosia
beetle,
Xylosandrus
crassiusculus
(Motschulsky),
is
most
common
species
pecan
orchards
Georgia.
Various
traps,
ethanol-mediated
Lindgren
multi-funnel
panel
bottle
sticky
cards,
ethanol-infused
wooden
bolts,
used
beetle
monitoring
programs.
Trap
color
placement
height
factors
that
increase
trap
effectiveness.
To
improve
effectiveness
for
beetles,
we
conducted
a
preference
experiment
under
field
conditions
using
six
different
colored
black,
blue,
green,
red,
transparent,
yellow,
placing
them
at
three
heights
(15,
60,
120
cm
from
ground
level).
The
results
show
red
transparent
cards
consistently
captured
higher
number
whereas
yellow-colored
lower
compared
to
all
other
tested
colors
cards.
A
similar
trend
was
observed
with
X.
laboratory
settings.
evaluated
heights,
more
crassiusculus,
were
placed
60
surface.
Additionally,
monitored
natural
infestations
commercial
Georgia
found
damage
trees
near
surface
(45
cm)
upper
parts.
We
also
recorded
species,
black
stem
borer,
germanus
(Blandford),
Southeast
Asian
amputatus
(Blandford).
(90.50%)
abundant
orchards.
Therefore,
45
could
efficacy
can
be
Язык: Английский
Bark and ambrosia beetle communities (Coleoptera: Curculionidae: Scolytinae: Platypodinae) across five mangrove forests in South Africa
The Journal of Basic and Applied Zoology,
Год журнала:
2025,
Номер
86(1)
Опубликована: Июнь 4, 2025
Abstract
Background
Mangrove
forests
are
of
fundamental
significance
that
support
a
diverse
array
species,
but
despite
their
importance
and
the
benefits
they
provide,
health
these
trees
is
under
constant
threat.
This
due
to
variety
environmental
human
factors,
which
lead
weakening
susceptibility
colonization
by
insect
pests.
Although
diversity
bark
ambrosia
beetles
has
been
well
documented
worldwide,
there
limited
information
available
regarding
relationships
with
mangroves.
To
investigate
distribution
associated
mangrove
habitats
in
South
Africa,
extensive
field
surveys
species
sampling
across
various
sites
were
carried
out,
as
Lindgren
Panel
traps
installed
along
five
estuaries
KwaZulu–Natal
one
Eastern
Cape
Province,
from
October
December
2013
January
February
2014.
Results
A
total
8677
individuals
comprising
11
genera
16
captured.
Of
these,
most
abundant
was
Hypothenemus
eruditus
(
n
=
2178;
25.10%),
followed
Ambrosiodmus
natalensis
863;
10.36%),
Xyleborus
affinis
844;
9,73%)
Premnobius
cavipennis
833;
9,60%),
respectively.
The
remaining
registered
an
incidence
lower
than
7%.
From
analysis
representativeness
rarefaction
curves,
no
trend
toward
increase
number
trajectories
increased.
Conclusions
research
contributes
understanding
biodiversity
beetle
assemblages
within
African
ecosystems
underscores
conserving
face
anthropogenic
pressures.
findings
provide
valuable
baseline
for
future
studies
management
strategies
aimed
at
preserving
monitoring
community
dynamics
critical
coastal
environments.
Язык: Английский
FIRST REPORT OF ANISANDRUS MAICHE (COLEOPTERA: CURCULIONIDAE: SCOLYTINAE) INFESTING APPLE TREES
Zootaxa,
Год журнала:
2024,
Номер
5506(2), С. 261 - 271
Опубликована: Сен. 5, 2024
Ambrosia
beetles
(Coleoptera:
Curculionidae:
Scolytinae)
are
among
the
most
devastating
pests
of
orchards,
nurseries,
and
forest
ecosystems.
Anisandrus
maiche
(Kurentzov)
has
been
regularly
captured
in
ethanol-baited
traps
along
woody
edges
apple
(Malus
domestica
(Suckow)
Borkh.)
orchards
western
New
York
alongside
a
known
pest,
Xylosandrus
germanus
(Blandford).
However,
this
species
yet
to
be
confirmed
pest
trees.
In
winter
2024,
we
conducted
series
dissections
potted
trees
with
visible
ambrosia
beetle
attacks
(i.e.
entry
holes,
exit
holes).
Our
examination
revealed
presence
active
A.
galleries
housing
mainly
larvae,
few
adults,
fungal
symbiont
Ambrosiella
cleistominuta
C.
Mayers
&
T.C.
Harr
This
is
first
report
attacking
Язык: Английский