Post on 03-Feb-2016
description
Bed Bugs and IPM
CAN MAKE STRANGE BEDFELLOWS
WAYNE WALKERASSOCIATE CERTIFIED ENTOMOLOGIST
UNIVERSITY OF FLORIDADEPARTMENT OF
HOUSING AND RESIDENCE EDUCATION
BED BUGS
• HOW MANY OF YOU HAVE SEEN A LIVE BED BUG?
• HOW MANY OF YOU HAVE EXPERIENCED A BED BUG INFESTATION?
• HOW MANY USE A CONTRACTOR FOR PEST MANAGEMENT?
WHY DO WE NEED IPM
• INCREASED RESISTANCE TO CURRENT INSECTICIDES
• EXPOSURE OF RESIDENTS TO INSECTICIDES
• SUSTAINABLE SOLUTIONS
BED BUGS ON CAMPUS
• WHERE DO THEY COME FROM?
• WHY ARE THE PROBLEMS SO SEVERE?
USED FURNITURE
INTERNATIONAL TRAVEL
LOCAL COMMUNITY
WHY ARE THE PROBLEMS SO SEVERE?
• Important Points.
– Lays 3 to 5 eggs a day
– Total days from egg to adult is about 30 at 80.6˚ F.
– 5 molts from nymph to adult
– Can live well over 6 months without feeding (some reports over 18 months)
HOW SMALL ARE THEY?
• ADULT IS 3/16 INCH LONG
• 1ST INSTAR NYMPH IS ABOUT THE SIZE OF A PERIOD AT END OF SENTENCE
• EGGS ARE 1-2 MM
TEMPERATURE EFFECTS
-Below ~55˚ F Development stops
-Above ~99˚ F Development stops-Above ~99˚ F Development stops
-Thrive at temps between ~68˚ F - 80˚ -Thrive at temps between ~68˚ F - 80˚ FF
-Die at Temps > 113˚F or < 32 ˚F
Click for video
Equipment for Heat
Treatment6 polystyrene sheets
2 box fans2 heaters
Extension cordsand power strip
1 oscillating fan
Temperature Monitoring
Thermometers Data Loggers
Room Setup for
Heat Treatment
Vials of Bed Bugs
Room Setup
• Live bed bugs
• Data loggers
• Thermometer sensors
• Placement
Under pillows on mattress
In cabinetUnder mattress
Placement of Fans and Heaters
Prepared Room
PANELS GOING TOGETHER
TOP GOING ON
HEAT CHAMBER
Heat Chamber
Room
Under mattress
Under pillow
Room
Under mattress
Under pillow
141 F
Room
Under mattress
Under pillow
Under mattressUnder pillow
Temperatures during a 2 hour 20 minute Treatment
Start
End
All bed bugs died
Equipment• 2 Space heaters
– $99.90
Equipment• 6 Polystyrene sheets (4 by 8
ft)– $137.76
Equipment• 2 Box fans
– $27.34
Equipment• 1 Oscillating fan
– $29.95
Equipment• 2 Thermometers
– $17.94
Equipment Costs$312.89
• 2 Space heaters• 6 Polystyrene sheets• 2 Box fans• 1 Oscillating fan• 2 Thermometers• 2 Extension cords; power strip• Duct or packing tape
THE SECURITY THAT THE BED BUGS ARE DEAD
PRICELESS
ROOM TREATMENT
• VACUUMING
• STEAMING
• APPLYING A RESIDUAL
VACUUM THE CARPET
• THOUROGHLY VACUUM THE CARPET AREAS
• CAN BE BEFORE OR AFTER THE HEAT TREATMENT
• DISPOSE OF THE VACUUM BAG
STEAM TREATMENT
• PULL THE CARPET BACK FROM BASEBOARDS
• STEAM ALONG ALL EDGES AT THE JUNCTION OF CARPET AND WALL
RESIDUAL APPLICATION
• APPLY RESIDUAL INSECTICIDE ALONG JUNCTION OF WALL AND FLOOR
• APPLY DUST BEHIND ALL WALL PLATES
WHICH RESIDUALS
• MOSTLY DUSTS WITH SILICA GEL AND PYRETHRINS
• WHITEMIRE TRI-DIE AND DRIONE ARE PREFERRED
• DELTA DUST AND BORIC ACID ARE NOT AS EFFECTIVE
WHOLE ROOM HEAT
• THERE ARE COMPANIES THAT ARE PERFORMING WHOLE ROOM HEAT
• TWO DIFFERENT ENERGY SOURCES– PROPANE– ELECTRICITY
WHOLE ROOM HEAT USING PROPANE GAS
• WORKS GREAT IF ALL ROOMS ARE GROUND FLOOR
• NEED A READY SOURCE OF PROPANE
• MAY TAKE UP TO 24 HOURS
WHOLE ROOM HEAT USING ELECRICITY
• 115 VOLT HEATERS REQUIRE 6 15 AMP CIRCUITS TO OPERATE
• 460 VOLT HEATERS NEED A GENERATOR
• GETS RATHER EXPENSIVE
MANUFACTURERS
• Temp Air –
http://www.temp-air.com/thermal/index.asp
• Pest-Heat (manufacture of heat generating equipment)
• http://www.pestheat.com/index.html
• ThermaPureHeat –
http://www.thermapure.com/bedbugs.php
ELEMENTS OF IPM
• Education• Communications• Inspection• Identification• Exclusion• Sanitation• Treatment Strategy• Evaluation
EDUCATION
• Institutional staff
• Pest control provider
• Residents
COMMUNICATIONS
• Key element between participants
• May take a variety of forms
• Addresses problems, solutions, and prevention
INSPECTION
• Performed on an as needed basis
• Results documented
• Provides early intervention and validation of success
Click for video
IDENTIFICATION
• Sample of pest is important
• Proper ID is vital
• Leads to proper plans for control
EXCLUSION
• DIFFICULT TO DO FOR BED BUGS
• WELL MAINTAINED FACILITY HELPS GREATLY
• SIMPLE THINGS CAN HELP
TREATMENT STRATEGY
• Developed with safety as important factor
• Utilizing all of IPM tools
• Can this strategy be sustained
EVALUATION
• All inspections and reports documented
• Create a data base
• Analyze data on regular basis
PREVENTION
• EDUCATE, EDUCATE, EDUCATE
• BEWARE OF USED FURNITURE
• PREPARE SPRING BREAK TRAVEL ADVISORY
• COULD BE COMMUNITY PROBLEM
PREVENTION TOOLS
• INVERTED SEAM MATTRESSES
• MATTRESS COVERS
• WELL MAINTAINED FACILITY
• WELL EDUCATED RESIDENTS/STAFF
INVERTED SEAM MATTRESS
MATTRESS COVER
MANUFACTURERS
• University Sleep Products –
http://www.universitysleep.com/
• Residex –
http://www.residex.com/bedbugs/index.html
FACILITY MAINTENANCE
• SEAL UP ALL CRACKS
• SEAL WALL PENETRATIONS
• ELIMINATE ALL HARBORAGES
EDUCATE THE RESIDENTS
• PUBLISH THE DO’S AND DON’TS
• ENCOURAGE THEM TO REPORT EVEN SUSPECTED BED BUGS
• MAKE IT A PART OF THE STAFF/RESIDENT ORIENTATION
BEDBUG WEB SITES 1.doc
QUESTIONS
CONTACT INFORMATION
WAYNE WALKERASSOCIATE CERTIFIED ENTOMOLOGIST
UNIVERSITY OF FLORIDADEPARTMENT OF HOUSING
&RESIDENCE EDUCATION
E-MAIL WAYNEW@HOUSING.UFL.EDUOFFICE PHONE 352-392-2171
EXT 10917CELL PHONE 352-284-3963