Winter fruit contribution to the performance of the invasive fruit fly Drosophila suzukii under different thermal regimes
Insect Science,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 16, 2025
Polyphagous
insect
species
develop
using
multiple
host
plants.
Often
considered
beneficial,
polyphagy
can
also
be
costly
as
nutritional
quality
may
vary.
Drosophila
suzukii
(Matsumura)
is
an
invasive
that
on
numerous
fruit
over
the
annual
cycle.
Here,
we
assessed
contribution
of
winter-available
to
development
seasonal
populations
D.
suzukii,
under
fluctuating
late
winter/early
spring
temperature
regimes.
We
infested
artificial
diet
and
three
suitable
available
in
(Aucuba
japonica,
Elaeagnus
×submacrophylla,
Viscum
album)
with
larvae
regimes:
constant
20
°C,
controlled
regime
8-15
°C
(12
h
light
at
8
12
dark
15
°C),
uncontrolled
outdoor
during
spring.
As
expected,
fly
performance
was
impaired
by
early
spring-like
environmental
conditions,
whatever
diet,
winter
were
suboptimal
diets
compared
thermal
regime.
However,
cold
regimes,
ranking
supporting
best
changed,
highlighting
occurrence
physiological
trade-offs.
Winter-acclimated
females
preferentially
oviposited
A.
japonica
and/or
E.
regime,
which
does
not
support
preference-performance
hypothesis.
This
finding
discussed
context
management
strategies.
Язык: Английский
First record of Drosophila suzukii (Diptera: Drosophilidae) on the fruits of Viscum album spp. album in Bulgaria
Historia naturalis bulgarica,
Год журнала:
2025,
Номер
47(6), С. 137 - 144
Опубликована: Июнь 2, 2025
The
invasive
fly
Drosophila
suzukii
(Matsumura)
(Diptera:
Drosophilidae)
was
recorded
for
the
first
time
as
a
pest
on
fruit
of
European
mistletoe
(Viscum
album
ssp.
Linnaeus)
in
Bulgaria.
Fruits
were
collected
April
2023
from
seven
sites,
located
region
Nesebar
Town.
In
three
them,
grows
false
acacia
(black
locust)
tree
(Robinia
pseudoacacia
and
four
sites
-
Canadian
poplar
(Populus
×
canadensis
Moench).
It
found
that,
infestation
rate
fruits
by
D.
influenced
host
species
mistletoe.
is
10
times
higher
than
poplar.
Язык: Английский
Winter fleshy‐fruited plants are the catalysts for spring populations of an invasive fruit fly
Ecological Entomology,
Год журнала:
2024,
Номер
unknown
Опубликована: Ноя. 8, 2024
Abstract
Winter
is
a
critical
bottleneck
period
for
many
insects
and
particularly
pivotal
pest
species,
being
major
regulator
of
their
populations.
In
winter,
insect
fruit
pests
such
as
the
invasive
fly,
Drosophila
suzukii
,
not
only
have
to
cope
with
harsh
environmental
conditions
but
also
need
find
alternative
resources
when
cultivated
are
scarce.
This
study
aimed
disentangle
relative
roles
climatic,
landscape
local
factors
affecting
infestation
rates
winter
spring
host
plants
by
D.
.
We
assessed
in
Aucuba
japonica
Elaeagnus
×
submacrophylla
(syn.
ebbingei
),
Mahonia
aquifolium
M.
Viscum
album
north
France,
between
January
July
2022.
emerged
from
all
plant
species
except
The
fly
was
that
A.
E.
co‐occurred
V.
subobscura
Climatic
(e.g.
cumulative
precipitation,
number
frost
hours),
composition
grassland,
shrubland
water
cover)
variables
resource
abundance,
vegetation
architecture)
influenced
infestation,
effects
varying
plants.
fruiting
succession
these
five
effectively
provides
continuum
March
June,
which
particular,
plays
role
before
commercial
become
available
strawberries,
cherries).
Non‐crop
should
be
considered
integrative
management
strategies
they
could
catalyse
populations
early
season.
Язык: Английский