Biomonitoring
of
agriculturally
important
insects
is
increasingly
given
our
need
to
understand
a)
the
severity
impacts
by
pests
and
pathogens
on
crop
yield
health,
b)
impact
environmental
change
land
management
insects,
in
line
with
sustainable
development
global
conservation
targets.
Traditional
entomological
traps
remain
an
part
biomonitoring
toolbox,
but
their
processing
laborious
introduces
latency,
they
are
variably
accurate.
The
integration
molecular
techniques
such
as
DNA
metabarcoding
into
insect
has
gained
increasing
attention,
advantages
doing
so,
kind
data
this
can
generate,
how
easily
effectively
analyses
be
integrated
diverse
types
currently
used
remains
relatively
unclear.
In
review,
we
examine
combining
a
range
conventional
sampling
advance
way
that
useful
researchers
practitioners.
We
highlight
some
key
challenges
mitigate
them,
using
examples
its
different
methods
from
literature
(e.g.
interception,
pitfall,
malaise,
sticky
traps)
demonstrate
efficacy
suitability.
Finally,
discuss
these
infer
ecological
networks,
emphasising
importance
framework
for
understanding
species
interactions
ecosystem
functioning
more
effective
descriptive
biomonitoring.
Agricultural and Forest Entomology,
Journal Year:
2024,
Volume and Issue:
unknown
Published: May 8, 2024
Abstract
Biomonitoring
of
agriculturally
important
insects
is
increasingly
vital
given
our
need
to
understand:
(a)
the
severity
impacts
by
pests
and
pathogens
on
crop
yield
health
(b)
impact
environmental
change
land
management
insects,
in
line
with
sustainable
development
global
conservation
targets.
Traditional
entomological
traps
remain
an
part
biomonitoring
toolbox,
but
sample
processing
laborious
introduces
latency,
accuracy
can
be
variable.
The
integration
molecular
techniques
such
as
DNA
metabarcoding
into
insect
has
gained
increasing
attention,
advantages
doing
so,
kind
data
this
generate,
how
easily
effectively
analyses
integrated
diverse
types
currently
used
remains
relatively
unclear.
In
review,
we
examine
combining
a
range
conventional
unconventional
sampling
advance
way
that
useful
researchers
practitioners.
We
highlight
some
key
challenges
mitigate
them,
using
examples
its
different
methods
from
literature
(e.g.,
interception,
pitfall
sticky
traps)
demonstrate
efficacy
suitability.
discuss
infer
ecological
networks,
emphasizing
importance
framework
for
understanding
species
interactions
ecosystem
functioning
more
effective
descriptive
biomonitoring.
Finally,
future
advances
are
highlighted,
alongside
recommendations
best
practice
both
new
experienced
invertebrate
metabarcoding.
Frontiers in Insect Science,
Journal Year:
2025,
Volume and Issue:
5
Published: Jan. 28, 2025
Looper
moths
of
the
genus
Chrysodeixis
(Lepidoptera:
Noctuidae:
Plusiinae)
are
important
pests
many
crops
and
native
plants
worldwide.
chalcites
(Esper)
is
listed
as
an
invasive
species
for
United
States
with
records
interception.
Native
Plusiinae
subfamily
morphologically
similar
commonly
cross-attracted
in
survey
trapping
programs
C.
,
such
includens
(Walker),
a
economic
pest.
The
identification
relies
on
male
genitalia
dissection
DNA
analysis.
These
processes
time
cost-consuming
require
expertise.
In
this
work,
we
evaluated
use
wing
geometric
morphometrics
(GM)
tool
to
overcome
challenges
associated
complex
morphologies
spp.
cleaned
wings
specimens
validated
were
photographed
under
digital
microscope,
seven
venation
landmarks
annotated
from
images.
coordinates
analyzed
MorphoJ.
Our
results
GM
distinguishing
.
A
limited
number
center
was
used
address
trap-collected
lepidopteran
pests.
Future
automation
novel
application
identifying
can
be
explored
systems
IPM
surveys
Scientific Reports,
Journal Year:
2023,
Volume and Issue:
13(1)
Published: Feb. 27, 2023
Abstract
Trogoderma
granarium
Everts,
the
khapra
beetle,
native
to
Indian
subcontinent,
is
one
of
world’s
most
destructive
pests
stored
food
products.
Early
detection
this
pest
facilitates
prompt
response
towards
invasion
and
prevents
need
for
costly
eradication
efforts.
Such
requires
proper
identification
T.
,
which
morphologically
resembles
some
more
frequently
encountered,
non-quarantine
congeners.
All
life
stages
these
species
are
difficult
distinguish
using
morphological
characters.
Additionally,
biosurveillance
trapping
can
result
in
capture
large
numbers
specimens
awaiting
identification.
To
address
issues,
we
aim
develop
an
array
molecular
tools
rapidly
accurately
identify
among
non-target
species.
Our
crude,
cheap
DNA
extraction
method
performed
well
spp.
suitable
downstream
analyses
including
sequencing
real-time
PCR
(qPCR).
We
developed
a
simple
quick
assay
usingrestriction
fragment
length
polymorphism
between
closely
related,
congeneric
variabile
Ballion
inclusum
LeConte.
Based
on
newly
generated
published
mitochondrial
sequence
data,
new
multiplex
TaqMan
qPCR
with
improved
efficiency
sensitivity
over
existing
assays.
These
benefit
regulatory
agencies
products
industry
by
providing
cost-
time-effective
solutions
enhance
from
related
They
be
added
toolbox.
The
selection
use
would
depend
intended
application.
Insects
play
a
vital
role
in
ecosystem
functioning,
but
some
parts
of
the
world
their
populations
have
declined
significantly
recent
decades
due
to
environmental
change,
agricultural
intensification
and
other
anthropogenic
drivers.
Monitoring
insect
is
crucial
for
understanding
mitigating
biodiversity
loss,
especially
agro-ecosystems
where
focus
on
pests
beneficial
insects
gaining
momentum
context
sustainable
food
systems.
Biomonitoring
has
long
played
an
important
providing
early
warnings
vectored
pathogens
assessing
agro-ecosystem
management.
However,
identification
invertebrates
by
taxonomists
time-consuming
fraught
with
numerous
challenges,
particularly
when
it
comes
real-time
monitoring.
Recent
technological
advances
both
computational
image
recognition
molecular
ecology
enhanced
biomonitoring
efficiency
accuracy,
reducing
labour
efforts,
leading
unprecedented
volumes
data
generated.
This
perspective
article
examines
significance
further
potential
deep
learning
image-based
recognition,
aided
complementary
technologies,
advancing
entomological
biomonitoring.
Using
sticky
traps
as
example,
we
discuss
each
step
workflow
required
create
ecological
networks
using
multimodal
learning,
identify
challenges
inherent
this
method
survey
techniques.
In
order
become
mainstream
global
biomonitoring,
access
long-term,
standardised
comprehending
dynamics,
structure,
function,
population
declines.
Molecular Ecology Resources,
Journal Year:
2023,
Volume and Issue:
24(1)
Published: Oct. 27, 2023
Abstract
Rapid
identification
of
organisms
is
essential
for
many
biological
and
medical
disciplines,
from
understanding
basic
ecosystem
processes,
disease
diagnosis,
to
the
detection
invasive
pests.
CRISPR‐based
diagnostics
offers
a
novel
rapid
alternative
other
methods
can
revolutionize
our
ability
detect
with
high
accuracy.
Here
we
describe
diagnostic
developed
universal
cytochrome‐oxidase
1
gene
(CO1).
The
CO1
most
sequenced
among
Animalia,
therefore
approach
be
adopted
nearly
any
animal.
We
tested
on
three
difficult‐to‐identify
moth
species
(
Keiferia
lycopersicella
,
Phthorimaea
absoluta
Scrobipalpa
atriplicella
)
that
are
major
pests
globally.
designed
an
assay
combines
recombinase
polymerase
amplification
(RPA)
CRISPR
signal
generation.
Our
has
much
higher
sensitivity
than
real‐time
PCR
assays
achieved
100%
accuracy
all
species,
limit
up
120
fM
P.
400
two
species.
does
not
require
sophisticated
laboratory,
reduces
risk
cross‐contamination,
completed
in
less
h.
This
work
serves
as
proof
concept
potential
animal
monitoring.
Journal of Economic Entomology,
Journal Year:
2022,
Volume and Issue:
115(6), P. 2125 - 2129
Published: Oct. 26, 2022
Abstract
The
moth
species
Phthorimaea
absoluta
(Meyrick)
(formerly
Tuta
absoluta)
is
serious
threat
to
tomato
and
other
Solanaceous
crops
worldwide
invasive
throughout
Europe,
Asia,
Africa.
While
P.
has
not
yet
been
found
in
the
U.S.
recent
detections
Caribbean
have
raised
concerns
that
could
be
introduced
mainland
North
America.
To
improve
detection
capacity,
a
droplet
digital
PCR
(ddPCR)
assay
was
developed
employs
nondestructive
bulk
DNA
extraction
method
able
detect
one
sample
among
200
nontargets.
Such
high-throughput
sensitive
molecular
assays
are
essential
preventing
introductions
through
early
response.
This
can
also
used
areas
where
established
monitor
outbreaks
track
migratory
patterns.
Journal of Economic Entomology,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Aug. 12, 2024
Abstract
Insects
collected
in
dry
traps
can
degrade
rapidly,
especially
warm,
humid
environments
where
many
biodiversity
and
biosecurity
surveillance
activities
are
undertaken.
Degradation
severely
impact
diagnostics,
as
trap
catches
become
difficult
to
identify
species
level
using
morphological
characters
or,
of
increasing
importance,
molecular
approaches.
This
is
problematic
for
exotic
tephritid
fruit
flies,
diagnostics
heavily
reliant
on
characters.
We
tested
the
effects
differing
temperature
humidity
conditions
mock
samples
flies
a
controlled
environment
compared
our
results
field
catches.
DNA
degradation
was
quantified
real-time
PCR
assays,
including
one
assay
newly
developed
here.
observed
correlation
between
humidity.
The
greatest
occurred
under
combined
high
(90%
relative
humidity)
constant
(35
°C).
Unexpectedly,
fluctuating
did
not
have
significant
DNA.
Other
factors,
such
design,
time
field,
rainfall,
significantly
correlate
with
quality
across
tested.
When
plotted
against
samples,
clustered
together,
no
clear
pattern
or
predictability
regarding
quantity
preserved,
indicating
other
untested
environmental
variables
may
be
at
play.
Predictably,
increased
exposure
found
detrimental
effect
all
treatments.
These
findings
will
improve
delivery
through
implementation
shorter
clearance
timeframes
improved
designs
procedures.
Agricultural and Forest Entomology,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Nov. 25, 2024
Abstract
Insects
play
a
vital
role
in
ecosystem
functioning,
but
some
parts
of
the
world,
their
populations
have
declined
significantly
recent
decades
due
to
environmental
change,
agricultural
intensification
and
other
anthropogenic
drivers.
Monitoring
insect
is
crucial
for
understanding
mitigating
biodiversity
loss,
especially
agro‐ecosystems
where
focus
on
pests
beneficial
insects
gaining
momentum
context
sustainable
food
systems.
Biomonitoring
has
long
played
an
important
providing
early
warnings
vectored
pathogens
assessing
agro‐ecosystem
management.
However,
identification
invertebrates
by
taxonomists
time‐consuming
fraught
with
numerous
challenges,
particularly
when
it
comes
real‐time
monitoring.
Recent
technological
advances
both
computational
image
recognition
molecular
ecology
enhanced
biomonitoring
efficiency
accuracy,
reducing
labour
efforts,
leading
unprecedented
volumes
data
generated.
This
perspective
article
examines
significance
further
potential
deep
learning
image‐based
recognition,
aided
complementary
technologies,
advancing
entomological
biomonitoring.
Using
sticky
traps
as
example,
we
discuss
each
step
workflow
required
create
ecological
networks
using
multimodal
learning,
identify
challenges
inherent
this
method
survey
techniques.
In
order
become
mainstream
global
biomonitoring,
access
long‐term,
standardised
comprehending
dynamics,
structure
function
population
declines.