Journal of Medical Entomology,
Год журнала:
2022,
Номер
59(6), С. 1928 - 1935
Опубликована: Сен. 27, 2022
This
study
investigates
the
impacts
of
three
different
heavy
metals
at
concentrations
on
some
life-history
traits
Lucilia
sericata
(Meigen
1826)
(Diptera:
Calliphoridae).
First-instar
larvae
L.
were
reared
a
diet
containing
four
(0.25,
0.50,
1,
and
2
µg/g)
(cadmium,
zinc
copper).
The
parameters
measured
larval
pupal
mortality,
length,
adult,
pupal,
weight,
development
time.
Larval
survival
decreased
as
metal
increased.
Pupal
weight
was
significantly
among
andc
oncentrations,
but
adult
not
concentrations.
length
metals.
reveals
that
presence
in
carrion
or
environment
should
be
inconsidered
when
estimating
time
colonization
forensic
investigations.
Insect Science,
Год журнала:
2023,
Номер
31(4), С. 1231 - 1248
Опубликована: Окт. 12, 2023
Abstract
The
black
soldier
fly,
Hermetia
illucens
,
comes
with
big
promises
for
industrial
purposes
since
its
larvae
feed
polyphagously
on
a
broad
spectrum
of
organic
substrates.
However,
research
focusing
adult
flies
is
scarce,
which
inconsistent
their
reproductive
relevance
within
the
rearing
cycle.
In
particular,
directed
oviposition
challenge
in
artificial
systems.
Currently,
decomposing
matter
commonly
used
as
substrate,
has
extensive
potential
improvement
view
lack
standardization
and
risk
microbial
contamination.
Here,
we
identified
three
fatty
acids
one
acid
methyl
ester
derived
from
surface
old
sites
targeted
to
elucidate
effect
preference
behavior
site
selection
using
Y‐olfactometry
prepared
sites,
respectively.
Exposure
tetradecanoic
attracted
gravid
females
stimulated
most
strongly,
while
decanoic
demonstrated
repulsive
effect.
Females
kept
mixed‐sex
populations
were
by
acid,
resulting
higher
egg
mass
found
compound
box
(3.0–11.4
fold),
≥
2.3
fold
reduction
nonspecifically
deposited
eggs,
highest
total
mass.
Conversely,
dodecanoic
caused
lay
greater
proportion
eggs
outside
both
boxes.
Our
data
suggest
that
acids,
especially
are
important
cues
flies.
order
achieve
behavior,
role
further
short‐
long‐chain
attractants
should
be
examined.
Metabolites,
Год журнала:
2023,
Номер
13(12), С. 1179 - 1179
Опубликована: Ноя. 30, 2023
Glycoalkaloids
(GAs)
are
produced
naturally
by
plants
and
affect
insect
survivability
fertility.
These
compounds
can
be
considered
potential
bioinsecticides;
however,
the
mechanisms
effects
of
their
action
remain
undiscovered.
As
lipids
essential
molecules
for
proper
functioning
an
organism,
this
research
aimed
to
determine
GAs
on
lipid
metabolism
Tenebrio
molitor
beetle.
Solanine,
chaconine,
tomatine,
tomato
leaf
extract
were
applied
larvae
injection
at
two
concentrations,
10-8
10-5
M.
Then,
tissue
was
isolated
after
2
24
h
levels
free
fatty
acids,
sterols
esters
using
GC-MS
technique.
Moreover,
triacylglyceride
level
activity
key
β-oxidation
enzyme,
3-hydroxyacyl-CoA
dehydrogenase
(HADH),
measured.
The
results
indicate
that
content
composition
in
beetles'
haemolymph
fat
body.
depend
GA
incubation
time,
kind
tissue.
tested
decrease
HADH
activity,
especially
body,
which
may
energy
production.
To
our
knowledge,
is
first
study
concerning
T.
application.
Our
provide
some
insights
into
topic.
Journal of Medical Entomology,
Год журнала:
2022,
Номер
59(6), С. 1928 - 1935
Опубликована: Сен. 27, 2022
This
study
investigates
the
impacts
of
three
different
heavy
metals
at
concentrations
on
some
life-history
traits
Lucilia
sericata
(Meigen
1826)
(Diptera:
Calliphoridae).
First-instar
larvae
L.
were
reared
a
diet
containing
four
(0.25,
0.50,
1,
and
2
µg/g)
(cadmium,
zinc
copper).
The
parameters
measured
larval
pupal
mortality,
length,
adult,
pupal,
weight,
development
time.
Larval
survival
decreased
as
metal
increased.
Pupal
weight
was
significantly
among
andc
oncentrations,
but
adult
not
concentrations.
length
metals.
reveals
that
presence
in
carrion
or
environment
should
be
inconsidered
when
estimating
time
colonization
forensic
investigations.
