Diversity,
Год журнала:
2020,
Номер
12(5), С. 194 - 194
Опубликована: Май 14, 2020
Island
invasions
may
cause
severe
changes
in
biodiversity,
but
the
factors
that
influence
these
are
not
well
understood.
We
established
120
plots
Cycas
micronesica
habitats
throughout
Guam
2005
following
invasion
of
armored
scale
Aulacaspis
yasumatsui,
then
observed
plant
mortality
through
2020.
used
transects
Yap
as
benchmarks,
C.
population
is
threatened.
The
initial
contained
about
1600
seedlings,
1160
juveniles,
and
1240
mature
plants
per
ha.
Seedling
was
100%
by
2006,
juvenile
2014,
2020
census
revealed
96%
population.
Localities
western
isolated
forest
fragments
exhibited
greatest
mortality,
with
extirpation
from
two
fragmented
localities.
trees
were
unchanged
2010
to
2018,
seedling
count
heterogeneous
among
years.
Constrained
recruitment
seedlings
juveniles
explained
dynamics.
6120
3400
1250
Biological
control
invasive
insects
remains
acute
conservation
action
needed
for
Lessons
learned
be
useful
other
regions
where
non-native
pests
threaten
biodiversity.
Environmental Entomology,
Год журнала:
2025,
Номер
unknown
Опубликована: Фев. 19, 2025
Abstract
The
Asian
longhorned
beetle,
Anoplophora
glabripennis
(ALB,
Coleoptera:
Cerambycidae),
is
a
federally
regulated
invasive
species
capable
of
infesting
several
different
genera
hardwood
trees.
Accurate
knowledge
ALB’s
phenology
critical
for
the
effective
implementation
management
and
eradication
plans.
We
updated
ALBLT
prediction
model
used
empirical
data
collected
in
South
Carolina,
USA
to
validate
v.
2.0.
new
largely
agreed
with
ALB
life
stages
found
field
collections,
except
late
instars
pupae.
also
ran
at
8
other
potentially
high-risk
cities
contiguous
United
States
latitudes
ranging
from
28°N
(Tampa,
FL)
41°N
(Chicago,
IL)
predict
how
long
single
generation
might
take
develop
these
environments.
Model
predictions
ranged
2–3-yr
lifecycle
Chicago
potential
cycle
<
1
yr
Tampa.
These
can
help
inform
managers
specialists
should
be
environments,
aid
developing
an
adequate
plan.
Environmental Entomology,
Год журнала:
2025,
Номер
unknown
Опубликована: Апрель 25, 2025
Abstract
Herbivorous
insects
can
have
their
reproductive
potential
influenced
by
the
quality
and
species
of
host
plants
they
feed
upon.
The
emerald
ash
borer
(EAB),
Agrilus
planipennis
Fairmaire
(Coleoptera:
Buprestidae),
is
an
invasive
pest
trees
(Fraxinus
spp.)
within
its
introduced
range.
As
adults,
EAB
must
upon
foliage
to
sexually
mature.
We
compared
influence
4
North
American
on
via
feeding
assess
impacts
female
lifespan
metrics.
fed
136
EAB,
34
in
each
group,
either
black,
green,
tropical,
or
white
throughout
adult
life.
performed
daily
inspections
for
mortality,
oviposition,
egg
hatching.
found
that
mean
lifespan,
fertility
rate,
development
time
were
not
affected
species.
Potential
realized
fecundity
increased
with
summed
group
(days),
but
this
rate
differed
among
Consequently,
there
was
a
statistically
significant
interaction
effect
foliage.
Green
ash-fed
laid
(2.94
±
0.86
eggs/female
days)
hatched
(1.67
0.59
most
eggs,
more
than
double
rates
black
(1.39
0.48
0.75
0.30
(1.08
0.35
0.65
0.22
ash.
Adults
green
resulted
greatest
suggesting
presence
may
promote
population
growth
provide
pathway
overwhelm
other
nearby.
Environmental Entomology,
Год журнала:
2025,
Номер
unknown
Опубликована: Май 11, 2025
Abstract
Four
North
American
and
one
Asian
ash
species
were
planted
in
2007
30
complete
randomized
blocks
a
common
garden
Ingham
County,
Michigan
USA
to
evaluate
host
resistance
preference
of
emerald
borer
(EAB)
(Agrilus
planipennis
Fairmaire),
first
detected
this
area
2003.
Trees
protected
from
EAB
colonization
until
2012.
We
recorded
current-year
woodpecker
holes
adult
exits
on
live
trees
annually
2017
2022.
Annual
radial
growth
was
quantified
increment
cores
cross-sections
EAB-killed
trees.
Every
Fraxinus
nigra
killed
by
2013.
By
August
2022,
63%
F.
pennsylvanica,
12%
americana
86%
chinensis
had
died.
In
contrast,
quadrangulata
minimally
colonized
remained
healthy
through
Average
(±
SE)
annual
2007-2021
ranged
2.65
±
0.18
mm
for
4.61
0.46
chinensis.
an
adjacent
plantation
2010,
we
assessed
size,
signs
2022
12
pennsylvanica
mandshurica.
All
mandshurica
with
little
evidence
injury.
Despite
heavy
infestation,
2011
relatively
high.
Results
show
is
highly
preferred
vulnerable
EAB,
followed
while
intermediate
resistant.
Of
the
2
species,
resistant
but
heavily
most
Diversity,
Год журнала:
2020,
Номер
12(5), С. 194 - 194
Опубликована: Май 14, 2020
Island
invasions
may
cause
severe
changes
in
biodiversity,
but
the
factors
that
influence
these
are
not
well
understood.
We
established
120
plots
Cycas
micronesica
habitats
throughout
Guam
2005
following
invasion
of
armored
scale
Aulacaspis
yasumatsui,
then
observed
plant
mortality
through
2020.
used
transects
Yap
as
benchmarks,
C.
population
is
threatened.
The
initial
contained
about
1600
seedlings,
1160
juveniles,
and
1240
mature
plants
per
ha.
Seedling
was
100%
by
2006,
juvenile
2014,
2020
census
revealed
96%
population.
Localities
western
isolated
forest
fragments
exhibited
greatest
mortality,
with
extirpation
from
two
fragmented
localities.
trees
were
unchanged
2010
to
2018,
seedling
count
heterogeneous
among
years.
Constrained
recruitment
seedlings
juveniles
explained
dynamics.
6120
3400
1250
Biological
control
invasive
insects
remains
acute
conservation
action
needed
for
Lessons
learned
be
useful
other
regions
where
non-native
pests
threaten
biodiversity.
