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From YouTube: Bay County Mosquito Control - 2014 Annual Report
Description
A look at what was accomplished during the 2014 Mosquito Control Season
B
I'm
tom
director
of
a
county
mosquito
control
today
we're
going
to
talk
about
the
overview
of
the
2014
season
at
the
economy,
mosquito
control,
but
before
we
do
that,
we
just
wanted
to
review
some
of
the
activities
that
mosquito
control
provides
to
the
residents
of
bay
county
first
off
is
filled
operations.
That's
probably
the
most
noticeable
common
thing
that
people
who
would
would
see
in
bay
county
from
the
county
mosquito
control
first
of
all,
is
our
aerial
treatment,
which
is
to
begin
for
2015
here
shortly.
B
That's
the
fixed-wing
aircraft
flying
over
the
woodlots
and
then
by
reciting
portion
of
the
program
that
has
many
different
activities,
such
as
treatment
of
artificial
containers,
idle
pools,
rain
barrels,
cache
faces
and
roadside
ditches
and
onew.
Some
of
those
would
be
addressed
later
on
in
their
present
presentation.
B
Also,
what
we've
provided
biological
surveillance
that
is
is
our
biology
department
goes
out
and
surveys
the
different
types
of
mosquitoes
and
species
to
make
sure
the
control
folks
are
at
the
right
place
at
the
right
time
and
then
also
what
we
do
is
very
important
day
day
by
day
through
the
season.
The
important
disease
surveillance,
our
biology
apartment,
monitors
that
Western,
Isles
and
other
mosquito-borne
diseases
all
season
season,
long,
which
is
very,
very
important
and
another
activity
that
we
do
is
education.
We
try
to
do
door,
hang
door
hangers
up
our
biologist,
Mary.
B
Oh,
do
some
presentations
to
schools
and
different
groups
in
in
many
different
publications
in
the
newspapers
in
such
during
the
year.
Also,
we
will
do
events
we
take
care,
but
many
events
that
come
to
bay,
County,
the
river
roar,
the
fireworks
and
all
of
many
different
things
that
bring
there
our
visitors
to
Pei
County.
We
start
treatment
and
surveillance
those
areas
weeks
before
those
events
takes
place
and
also
we
are
search
reduction
in
Bay
County.
B
A
And
I
are
here
today
because
we
feel
it's
important
to
share
the
information
from
our
2014
season
with
the
residents
of
the
county.
So
what
you
can
expect
to
see
in
today's
presentation
will
be,
as
Tom
mentioned,
some
of
the
services
that
we
provide,
but
it
will
also
talk
about
the
data
that
we
collected
in
the
2014
season,
and
some
of
that
data
includes
things
like
how
many
acres
we
treated,
how
many
miles
of
roadside
ditch
we
treated
how
many
mosquitoes
we
collected
what
species
of
mosquitoes
were
collected.
A
C
Each
spring
mosquito
larvae
slowly
begin
development
in
the
cold
woodland
waters
of
Bay
County
as
a
result
of
flooding
from
snowmelt
and
spring
rainfall.
It's
crucial
to
control
these
spring
mosquitoes,
as
they
are
an
abundant
long-lived
species
with
a
heavy
biting
a
nuisance
factor
monitoring
spring
eighties.
Larval
development
is
critical
in
early
spring
in
order
to
begin
a
timely
aerial
application
in
flooded,
wood
Lots
in
2014,
mosquito
larval
surveillance,
observe
larvae
in
Woodland
pools
on
April
2nd,
which
is
about
a
week
later
than
normal.
Due
to
the
cold
temperatures.
C
Creating
a
slow
snowmelt
record
showed
that
March
2014,
officially
ranked
as
the
fifth
coldest
March
in
Saginaw
eery
history.
Two
weeks
later,
on,
April
14th
County
received
one
to
three
inches
of
rain,
leading
to
many
new
flooded.
Wood
Lots
in
another
hatch
of
larvae
larval
density
remained
low
overall,
with
an
average
of
two
larvae
per
dip
recorded,
Woodland
pool
test
sites
were
set
and
larvae
counted
to
determine
pretreatment
populations
before
the
start
of
aerial
treatment.
C
Due
to
the
slow
larval
development,
the
mosquito
control
treatment
season
began.
It's
Ariel
larva
sighting
to
control
Spring
woodland
mosquitoes
about
a
week
later
than
normal
on
April
21st.
The
aerial
program
has
gone
on
for
over
three
decades
in
the
Saginaw
Valley
and
remains
the
best
way
to
dramatically
decrease
numbers
of
spring
eighties.
Mosquitoes.
C
The
preferred
control
method
uses
a
bacterial
product
known
as
BTI,
applied
to
seasonally
flooded,
wood
lots
to
control
mosquito
larvae,
Earl
spray
service
of
wheeler
Michigan
used
three
aircraft
to
apply
BT
I-240,
2793
wooded
acres
in
every
Township
in
Bay
County
calibration
loading
and
fueling
of
the
fixed-wing
aircraft
took
place
at
Barstow
Airport
in
Midland.
The
use
of
Barstow
Airport
allows
for
a
paved
surface
runway.
That's
in
a
centralized
location
for
treatment
of
the
entire
county
sites
were
treated
with
vector,
Beck,
BTI,
corncob
granules
and
a
dosage
rate
of
three
pounds
per
acre.
C
This
was
the
first
season.
Bay
County
mosquito
control
treated
all
aerial
acres
at
the
three
pound
rate
compared
to
the
four
to
five
pound
rates
used.
Previously,
this
allowed
for
expansion
of
the
treatment
area,
while
still
achieving
a
high
mortality
rate
treatment,
was
completed
within
seven
days
after
wood
lots
are
treated
by
air.
The
water
is
read
it.
An
account
is
taken
of
any
mosquito
larva
still
left
in
the
woodland
pool.
These
post
counts
indicated
an
average
larval
mortality
of
ninety
three
point.
C
Three
percent,
which
indicates
favorable
control,
was
accomplished
at
the
three
pound
per
acre
dosage
REE
staff
helped
with
aerial
Quality
Control,
conducting
post-treatment
surveys
and
68
wood
Lots
to
assess
BTI
application.
After
the
completion
of
the
aerial
treatment
program,
several
more
technicians
were
brought
on
to
begin
ground
treatment
of
small
woodland
pools,
not
feasibly
treated
by
aircraft.
C
C
B
We
just
got
done
with
the
presentation
of
our
aerial
treatment
program,
which
we
call
our
spring
treatment
and
shortly
after
that,
we
transitioned
into
our
summer
season.
We
at
mosquito
control.
We
have
two
distinct
seasons.
Once
we
get
transition
into
our
summer
season
and
once
the
temperatures
warm
up,
we
focus
on
a
lot
of
different
areas,
a
lot
of
habitat,
larval
habitat
and
we
find
mosquitoes
in
containers,
ditches,
flooded,
fields,
depressions
and
lawns.
Basically,
anything
that
will
hold
water
from
from
5
to
7
days
could
be
a
habitat
in
in
this.
B
In
the
summer
of
summertime,
in
our
field,
crews
are
presently
out
looking
in
searching
for
these
larval
habitat
in
and
in
while
our
night
crews
are
all
fogging
treating
the
areas.
You
know
you
will
the
trucks
that
go
by
your
neighborhoods
too,
and
we
do
that
once
we
get
feedback
where
we
know
the
high
populations
are
we
try
to
do
it
in
a
biological
science
based
program,
and
we
need
to
know
where
the
high
populations
are.
A
Esther
mentioned,
we
spend
a
lot
of
time
figuring
out
where
the
mosquito
populations
are
highest
when
we
get
a
lot
of
rain
and
that
creates
standing.
We
know
that
will
almost
immediately
have
a
hatch
of
mosquito
larvae
and
if
that
water
stays
around
long
enough
about
a
week's
time,
the
mosquitoes
will
have
a
chance
to
complete
their
lifecycle,
so
they'll
be
larvae
and
then
pupae
and
then
adult
mosquitoes
and
our
rule
of
thumb
is
that
about
two
weeks
after
a
heavy
rain,
we're
almost
certain
to
have
a
higher
mosquito
population.
A
So
how
do
we
know
when
that's
happening?
Well?
First
of
all,
we
have
a
variety
of
mechanical
traps
that
we
utilize
to
find
a
mosquito
population
see
how
many
mosquitoes
are
out
there
and
we
have
those
traps
operating
throughout
the
county
on
a
daily
basis
and
then,
secondarily,
we
take
phone
calls
from
citizens
who
report
when
they're
having
mosquito
problems.
So
that
is
another
indicator
to
us
of
where
people
are
feeling
the
most
pressure
from
mosquitoes.
C
The
total
number
of
summer
breeding
sites
changes
each
year
as
new
sites
are
added
to
the
database
and
others
are
deleted.
A
total
of
eleven
thousand
five
hundred
sixty-one
larval
breeding
site
inspections
were
conducted
in
2014
only
twelve
percent
of
those
required
treatment
with
a
larvacide
material.
Some
of
these
sites
were
permanent
breeding
habitats,
while
others
were
temporary
and
included
ditches
containers
fields.
C
What
Lots
tires
tidal
pools,
ornamental
ponds
and
a
Saginaw
Bay
Bayfront
larvae
are
sampled
by
quickly
skimming
the
water
surface,
with
a
Dipper
technicians,
also
control
mosquitoes
by
dumping,
water
from
buckets
pails
and
other
man-made
containers,
a
method
of
source
reduction.
This
is
the
preferred
method
to
eliminate
mosquitoes
from
breeding
and
containers.
C
It's
important
to
select
the
appropriate
control
material
and
formulation
based
on
what
mosquito
life
stage
is
encountered
in
the
water
habitat
timing
of
the
application
is
also
crucial,
as
is
the
amount
of
product
applied
as
technicians
search
for
mosquito
breeding.
They
also
educate
via
County
citizens,
about
how
to
prevent
mosquitoes
from
breeding
in
containers
around
their
backyard
technicians
leave
door
hangers
when
they
encounter
tires,
reminding
citizens
about
the
residential
scrap
tire
drives
and
the
new
to
recycle
tires
in
order
to
prevent
mosquitoes
from
breeding
there.
C
In
addition
to
surveillance
and
control
in
neighborhoods
throughout
the
county,
special
attention
is
given
to
controlling
mosquito
populations
at
summertime.
Recreational
events
such
as
the
Auburn
corn,
fest,
monka,
potato
festival
and
the
bay
city,
fireworks
bay
counties,
topography
is
very
flat
and
most
roadways
are
flanked
by
ditches,
which
divert
water
from
the
county's
1,400
linear
miles
of
roads.
Many
ditches
breed
mosquitoes
because
they
hold
water
for
extended
periods
of
time.
C
Most
problems
with
breeding
occur
after
major
rainfall
events
which
stimulate
mosquito
eggs,
the
hatch
in
2014,
ditch
trucks
logged
four
thousand
four
hundred
forty
five
miles
treated,
which
was
fourteen
percent
fewer
than
the
historical
average.
Most
of
the
treatment
occurred
in
Mount,
Forest,
Bangor
and
monitored
townships,
with
a
combined
total
of
1607
miles
or
36%
of
the
total
coinciding
in
areas
with
major
rate
events,
treatment
of
catch
basins
or
storm
drains
will
control.
Culex
mosquitoes
known
vectors
of
both
Saint
Louis
encephalitis
and
West
Nile
virus.
C
C
Catch
basins
may
be
found
along
streets
and
parking
lots
and
in
backyards
staff,
monitored
mosquito
breeding
and
catch
basins
and
treated
a
total
of
twenty-three
thousand
140
individual
catch
basins.
The
above
figure
shows
the
number
of
catch
basins
treated
in
each
Township
or
City.
The
bulk
of
treatment
took
place
in
the
city
of
bass,
City
and
Bangor
Monitor
and
Hampton
townships.
C
The
most
urban
areas
of
the
county,
with
the
greatest
number
of
catch
basins
treatments
reduce
the
number
of
vector
mosquitoes
during
late
summer,
the
period
of
time
of
greatest
disease
risk
to
humans
to
assess
the
activity
of
Culex,
mosquitoes
and
city
and
suburban
catch
basins,
biology
staff
randomly
inspected,
30
to
50
catch
basins.
On
nine
occasions,
the
basin's
are
a
perfect
habitat,
providing
Culex
mosquitoes
with
an
organically
rich
standing
water
and
decomposing
leaf
litter
that
provides
a
bacterial
food
source
based
on
surveillance
and
June.
C
C
County
is
home
to
150
retention,
ponds
and
detention,
basins
that
are
designed
to
manage
stormwater
runoff
to
prevent
flooding
retention
ponds
usually
include
a
permanent
pool
of
water
in
their
design,
while
the
detention
pond
holds
stormwater
for
a
limited
time
or
until
the
water
evaporates,
which
returns
the
area
towards
normally
dry
state,
certified
technicians
surveyed
the
ponds
making
204
individual
visits
throughout
the
summer,
83%
of
which
did
not
result
in
treatment
when
conducting
surveys.
And/Or
larvae
sighting
of
these
ponds
technicians,
utilized
aerial
maps
that
detail
the
location
and
size
of
each
pond.
A
The
next
part
of
the
presentation
we're
going
to
be
talking
about
mosquito
surveillance.
Some
people
might
wonder
why
is
mosquito
surveillance
important
and
it
really
helps
us
to
determine
by
trapping
mosquitoes
where
the
mosquitoes
are
the
heaviest
where
those
locations
are
and
also
which
species
are
active
and
that's
all
important
information.
We
take
that
information
and
we
pass
it
on
to
the
field
crews
and
we're
able
to
direct
the
field,
crews
to
the
areas
that
really
need
the
most
attention.
C
One
of
the
main
tools
used
in
adult
mosquito
surveillance
as
a
mechanical
trap
called
the
new
jersey
light
trap
from
mid-may
through
mid-september
adult
mosquitoes
were
collected
and
14
light
traps
placed
throughout
the
county.
Samples
were
gathered
three
times
each
week,
followed
by
counting
and
identifying
species.
C
Heavy
rains
in
August
caused
a
significant
floodwater,
mosquito
hatch,
which
is
shown
in
this
chart.
Heavy
rains
flooded,
ditches
and
fields
causing
mosquito
eggs
to
hatch
two
weeks
later.
The
adult
population
spiked,
as
shown
here.
This
is
an
expected
trend
after
heavy
rainfall
events,
the
total
light
trap
capture
in
2014
was
fourteen
thousand
two
hundred
eighty-five
mosquitoes
88
percent
above
the
2013
season
and
about
two
percent
below
historical
average.
C
C
The
total
number
of
mosquitoes
captured
in
289
CDC
traps
this
year
was
fifty
five
thousand
one
hundred
eighty
one.
The
summer
flood
water
species,
80s
vaccines
and
80s
try
vittatus
remained
at
the
top
spot.
Representing
59
percent
of
total.
Most
females
were
collected
in
September,
with
twenty
two
thousand
seven
hundred
fifty-five
collected.
C
Ninety
two
percent
of
these
were
collected
in
the
first
nine
days
of
the
month.
These
were
floodwater.
Mosquito
is
produced
from
the
heavy
rains
of
mid-august
that
fell
mostly
through
Kawkawlin
Monitor
and
Bangor
townships,
gravid
trap
placement
ran
from
June
through
September
with
76
traps,
capturing
1063
mosquitoes
traps
replaced
in
a
variety
of
locations,
including
the
immediate
area
of
West
Nile
virus
activity.
C
Culex
mosquito
is
collected
in
Gravett
wraps,
were
grouped
together
and
submitted
to
Michigan
State
University
for
West
Nile
virus
testing.
This
figure
shows
a
historical
perspective
over
the
average
number
of
collects
mosquitoes
collected
per
Gravett
wrap
collections
from
2014
increase
from
the
2013
numbers
with
an
average
of
twelve
point.
Eight
female
Culex
mosquitoes
per
trap,
while
larval
control
is
the
preferred
method
of
mosquito
treatment.
It's
virtually
impossible
to
find
and
treat
all
breeding
sites.
Therefore,
adult
deciding
logging
to
kill
adult
mosquitoes
in
flight
is
also
carried
out
to
control
mosquitoes.
C
Application
rates
are
adhered
to
by
using
GPS
units
with
smart
flow
technology,
monitoring,
speed
and
flow
rates
in
each
truck
label.
Recommendations
are
strictly
followed
to
assure
proper
dosage
rapes
and
droplet
sizes
during
adulticide
applications
to
accomplish
this
droplet
measurements
are
taken
several
times
throughout
the
season
when
weather
conditions
are
conducive
to
fogging
temperatures
above
50
degrees
and
winds
below
10
miles
an
hour.
Certified
technicians
treat
cities
and
townships.
They
have
either
the
highest
mosquito
populations
or
noted
disease
activity.
C
2014
saw
the
routine
use
of
the
permethrin
products
avalor
and
pursue
mosquitoes
must
come
in
contact
with
the
droplets
in
order
for
the
insecticide
to
be
effective,
so
adults,
a
sighting
takes
place
after
sunset
when
most
mosquito
species
are
active
and
bees
have
returned
to
their
hives
for
management
purposes,
bay,
county
utilizes
route
maps
during
adult
assigning
operations.
These
road
maps
of
each
township
showed
the
most
efficient
route
to
follow
when
adult
deciding
ensuring
all
roads
are
treated
and
new
roads
are
retreated
or
missed.
C
Adult
deciding
with
this
unit
was
prioritized
to
noise
sensitive
areas
in
bay
county,
including
the
campground
at
Bay
City
State,
Recreation
Area,
where
the
quieter
machine
will
cause
less
distraction
to
campers
at
night.
Other
advantages,
Bay
County
noted
with
this
machine,
included
the
little
to
no
maintenance
associated
with
the
electric
unit.
The
absence
of
a
small
engine
and
other
components
eliminated
maintenance
on
parts
they
easily
wear
out
over
time.
The
lightweight
battery
powered
machine
is
also
touted
as
equal
friendly
as
it
eliminates
the
emissions
released
by
gas-powered
machines.
The.
A
Result
of
an
outbreak
of
st.
Louis
encephalitis
that
had
occurred
statewide
in
Michigan
in
1975.
Ever
since
it's
been
our
goal
to
try
to
reduce
the
mosquito
populations
or
two
reasons.
The
first
is
that
we
want
to
decrease
mosquitoes
because
there
are
nuisance
and
we
want
to
improve
quality
of
life,
but
also
we
want
to
decrease
the
mosquito
population,
because
we
want
to
also
decrease
the
risk
of
diseases
that
mosquitoes
may
carry
to
both
people
and
animals.
A
So
disease
surveillance
is
really
important
because
we
want
to
detect
disease
if
it's
out
there
and
then
be
proactive
so
that
we
don't
have
human
cases.
The
main
way
that
we
do
disease
surveillance
is
through
trapping
and
you've
learned
about
some
of
those
traps.
Today,
the
new
jersey
light
trap,
the
CDC
trap
and
the
gravit
trap
in
all
of
those
traps.
We
collect
a
lot
of
adult
mosquitoes
and
in
fact,
in
2014
we
collected
probably
about
60,000
individual
female
mosquitoes.
A
All
of
those
are
processed
in
our
lab
by
species,
so
they're
not
only
counted
when
they're
identified
to
the
species
level
and
then
from
that
big
group
of
mosquitoes.
We
are
able
to
pull
out
the
particular
vectors
or
carriers
of
disease.
Those
would
be
the
carriers
for
West
Nile
virus,
Saint,
Louis,
encephalitis
and
equine
encephalitis.
Those
mosquitos
are
then
put
into
vials
and
sent
off
to
which
food
State
University,
where
they're
tested,
and
we
literally
test
thousands
of
mosquitoes
every
year
in
that
fashion,.
C
337
pools
containing
seven
thousand
eight
hundred
thirty,
eight
females
representing
a
variety
of
species
were
tested
with
the
following
results:
cocolate
Atia,
/
turbines,
152
pools,
no
positives,
hulex,
rest
ruins
and
pipiens
180
pools,
1,
West,
Nile
virus,
positive
and
eighties
japonicus
5
pools
no
positives.
A
positive
pool
indicates
local
mosquitoes,
are
infected
with
West
Nile
virus
and
are
capable
of
transmission
to
humans
and
other
hosts.
The
single
positive
pool
in
Bay
County
in
2014
was
collected
from
a
New
Jersey
light
trap
placed
in
Bangor
Township
and
August
15th.
C
We
rely
on
Bay,
County
citizens,
reporting
of
dead
crows
and
Blue
Jays
as
another
method
of
West
Nile
virus
surveillance.
In
2014
we
received
21
phone
calls,
reporting
dead
birds
throughout
the
community,
which
is
down
from
61
calls
the
previous
year
in
2014
23
dead
birds
were
reported,
most
of
which
were
blue
jays,
American,
crows
house
sparrows
and
other
blackbirds.
C
C
This
figure
shows
the
average
rainfall
amounts
that
were
measured
in
a
rain
gauge
Network
placed
throughout
the
county
from
April
through
September
rain.
Events
that
drop
over
an
inch
of
rain
are
typically
sufficient
to
cause
a
new
head
to
mosquitoes.
There
were
three
such
rain
events
that
occurred,
mid-may,
mid-august
and
again
in
mid
to
late.
September
traps
are
the
primary
indicator
of
mosquito
activity,
but
customer
calls
are
also
used
as
a
means
to
indicate
where
adult
mosquitoes
are
problematic.
C
Office
staff
answered
and
technicians
responded
to
nearly
3,300
adult
mosquitoes
service
requests
received
from
Bay
County
citizens.
Most
of
the
calls
were
regular
service
requests
for
Dolphus
I
treatment
due
to
nuisance.
Mosquitoes
with
445
of
those
calls
logged
between
September,
2nd
through
8th,
peaking,
approximately
three
weeks
after
the
major
August
rain
event
and
September
third
alone.
129
phone
calls
were
received.
An
additional
seven
hundred
twenty
six
calls
represented
special
events.
C
Regardless
of
the
type
of
service
request,
Alber
responded
to
in
a
professional
and
prompt
fashion.
In
2014
Bay
County
Mosquito
Control
received
a
scrap
tire
cleanup
grant
for
$2,400
from
the
MDEQ.
The
purpose
of
the
grant
was
to
assist
property
owners
and
local
units
of
government
with
a
proper
removal
of
abandoned,
scrap,
tires
and
scrap
tires
at
collection
sites
to
community
tire
drives
were
held
at
2014
collecting
a
total
of
1935
tires.
C
B
We
are
grateful
today
to
have
the
opportunity
to
share
with
you
our
2014
and
report,
the
many
activities
that
went
on
last
year
and
also
we're
looking
forward
to
a
successful
2015
mosquito
control
year,
which
happens
to
be
our
30th
year
at
being
at
Bay
County
mosquito
control.
If
anyone
has
any
questions
at
all,
please
feel
free
to
call
us
at
eight
nine,
four,
four,
five,
five,
five
thanks.