inspecting and monitoring for bed bugs. david west alameda county vector control services district...
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Inspecting and monitoring for Bed Bugs.
David WestAlameda County Vector Control Services District
10/20/2015
What's it worth to you?
Why is my client so stressed?
Violated most personal space the bedroom.
Lack of ZZzzzz.
Laundering clothes and living out of a bag.
Failed costly treatment attempts.
Uncooperative landlord.
Moved from the bedroom to another room to avoid getting bites.
Personal items, clothing, furniture thrown away.
Lifestyle completely disrupted.
Relatives no longer visit.
Purpose of an inspection.
o Identify the pest.o Verify the complaint. ( Is it valid ?)o Determine the extent of the infestation.o Talk with the responsible party about findings
and give recommendations. o Goal: Professional treatments.
Inspections can be
• Uncooperative tenants/ Landlord• Personal Lifestyle
Difficult sometimes.
What will your inspection challenge be
Useful Inspection Equipment
o Disposable Gloveso Flashlighto Tweezerso Magnifying glasso Duct tapeo Vialso Alcoholo Tyvek suit
Personal Protection when doing a bed bug inspection.
1. Tyvek suit2. Protective booties3. Disposable gloves
Visual Inspections(Most common form of Detection)
Advantages• Visual confirmation
is proof of infestation.
• Humans can integrate facts and outline a course of action.
Disadvantages
Labor intensive
Low level infestations are hard to detect
Often involves moving furniture and possessions
Inspections using Man’s best friend.
Jack Russell Terriers
Beagles
Advantages:o Effective at large multi unit buildings.o Effective when visual inspections failed.o Effective when there is a low level
infestation.o Can be 90% or more accuracy.o Disadvantages:o Expensive/ 2 dogs or more.o Short attention span.o Bad day.
Primary Bed Bug
Harborage
~70% 5 feet
Secondary Bed Bug Harborages
~23%
“Other” Bed Bug Harborages
~7%
What should I be looking for?
• Signs of bed bugs– Dark staining from
excrement (sheets & hiding places)
– Shed skins– Reddish blood spots on
mattress– Sweetish odor
Bed Bugs & Rusty Spots on Sheet.
Be thorough and detail oriented.
Another heavily infested area
Possible Secondary Harborages.DressersNight stands
Chairs
Tables
Carpet and baseboards
Smoke detectors Picture Frames Any
Where! Ceilings
Wall outlets
After
A LOW INFESTATION INSPECTION
Before
Monitoring Devices
Pros• Can be used to monitor
when visual inspections are inconclusive
• Pre-complaint detection• Used in cluttered rooms• Track progress after
treatment
Cons
The most effective bait is a human host
Detect bed bugs over days or weeks
Low level infestations can be missed
Cost can be a factor
Passive and Active Monitors.
Climb-Up Interceptor (Passive)
• Effective on the legs of furniture where a person is sleeping.
• Head board should not touch wall.• Bedding should not touch floor.• Slippery talc inner coating traps bugs.• Non poisonous.• Should not be use around wet areas.• Must be emptied weekly.• Cost determined by the size. ($10 up
to ($40)
Pack Tite Passive Station• Design provides a ideal
hiding place.• Effective when bed is
regularly slept in. • Check 1x week in high
risk situations. 1x month in general situations.
• Early detection• Chemical & maintenance
free.• Cost ($19)
Bed Bug Alert (Active) Monitor• Effective in vacant
room.• Simulates a host.• Can be inspected in
24 hours.• Recommended
checking in 4-5 days.• Cost ($24.95)
Night watch CO2 (Active Monitor)Effective in vacant rooms where bites were reported.
Useful in cluttered rooms.
Useful in cluttered rooms.
Useful in treated rooms.
Gives off heat and CO2.
Cost (399.95)
Conclusion
• Early detection is always best.• Professional inspections are always advised.• Inspections sometimes can be challenging and
time consuming.• Two people are recommended for an
inspection.• Monitors may detect the presence of bed bugs
before a complaint.