Source: RUTGERS, THE STATE UNIVERSITY OF NEW JERSEY submitted to NRP
REDUCING PEST INFESTATIONS AND INSECTICIDE RESIDUES IN LOW INCOME HOUSING
Sponsoring Institution
National Institute of Food and Agriculture
Project Status
COMPLETE
Funding Source
Reporting Frequency
Annual
Accession No.
1008563
Grant No.
2015-70006-24273
Cumulative Award Amt.
$175,000.00
Proposal No.
2015-06442
Multistate No.
(N/A)
Project Start Date
Sep 1, 2015
Project End Date
Aug 31, 2018
Grant Year
2015
Program Code
[ARDP]- Applied Research and Development Program
Recipient Organization
RUTGERS, THE STATE UNIVERSITY OF NEW JERSEY
3 RUTGERS PLZA
NEW BRUNSWICK,NJ 08901-8559
Performing Department
Entomology
Non Technical Summary
Bed bugs and cockroaches are common pests in apartment buildings. Low income communities suffer disproportionally much higher infestations. Pest infestations reduce the quality of life, cause significant economic loss, and/or produce allergens that are strong asthma triggers. Furthermore, insecticide applications by residents and professionals during pest control introduce additional health risks to the inhabitants. The prevalence of pest infestations in low income homes reveals an urgent need for more effective and safer pest management programs. Our objectives for this study are to: 1) design, implement, and evaluate the cost and effectiveness of a building-wide integrated pest management program (IPM) for low income housing; 2) measure the impact of IPM implementation on residents' behavior towards pests and pest control; 3) measure the impact of IPM implementation on indoor insecticide residue levels; 4) demonstrate the IPM model in another low income community. We will educate and interview all residents and housing staff, provide cost-effective treatments, collect floor wipe samples at 0 and 12 month to analyze changes in insecticide residue levels, and monitor pest populations for 12 months in a low income community. The IPM program will be replicated in a second community based on research findings. The goal is to increase residents and housing staff's knowledge on pests and pest management, reduce pest infestations, insecticide usage, and insecticide residues in homes and achieve sustainable pest control.
Animal Health Component
100%
Research Effort Categories
Basic
(N/A)
Applied
100%
Developmental
(N/A)
Classification

Knowledge Area (KA)Subject of Investigation (SOI)Field of Science (FOS)Percent
7213110113090%
2163110113010%
Goals / Objectives
Our objectives for this study are to: 1) design, implement, and evaluate the cost and effectiveness of a building-wide IPM program for low income housing; 2) measure the impact of IPM implementation on residents' behavior towards pests and pest control; 3) measure the impact of IPM implementation on indoor insecticide residue levels; 4) demonstrate the IPM model in another low income community. We will educate and interview all residents and housing staff, provide cost-effective treatments, collect floor wipe samples at 0 and 12 month to analyze changes in insecticide residue levels, and monitor pest populations for 12 months in a low income community. The IPM program will be replicated in a second community based on research findings. The goal is to increase residents and housing staff's knowledge on pests and pest management, reduce pest infestations, insecticide usage, and insecticide residues in homes and achieve sustainable pest control.
Project Methods
We will selecta senior residencemanaged by Paterson Housing Authority to test the model IPM program. The site is ideal for the proposed study because it has both high cockroach and bed bug infestations and the current pest control service is representative of the pest control practices adopted by multi-unit dwellings across the country. The model IPM includes the following components: 1) providing hands-on education to the building staff and residents on safe and effective pest prevention and control methods; 2) implementing building-wide proactive monitoring and pest management; 3) maximizing non-chemical control methods; 4) adopting threshold-based insecticide applications based on monitoring results; 5) adopting an elimination criterion to determine when to terminate treatments.Sticky traps will be placed in the same manner as pre-treatment and examined the next day. Bed bug monitors will be placed under furniture legs and those already in place will be examined during each visit. The insect counts per apartment will be compared with previous counts to determine treatment effectiveness and future treatment strategies.One low income community managed by Paterson Housing Authority will be used to demonstrate the IPM model. We will set up educational meetings and on-site demonstrations for housing staff and the residents. Immediately after education, researchers will conduct resident interviews and building-wide surveys that include a brief interview to residents about whether they notice any pests in their homes, a brief visual inspection, and placement of monitors if pest is suspected but not confirmed from visual inspections. The long-term impact of the project will be evaluated after approximately 12 months through building-wide surveys and resident interviews.

Progress 09/01/15 to 08/31/18

Outputs
Target Audience:Residents and housing staff in low-income communities Changes/Problems:Pest control contractor had no incentives to change their routine pest control methods. Housing authority staff was not diligent in revising their pest control contracts. What opportunities for training and professional development has the project provided? Nothing Reported How have the results been disseminated to communities of interest?We provided written guidelines and face-to-face instructions to the pest control provider and the housing staff. What do you plan to do during the next reporting period to accomplish the goals? Nothing Reported

Impacts
What was accomplished under these goals? The bed bug infestation rate decreased from 8.5% at 0 month to 4.2 and 3.2%, at 6 and 12 month, respectively. The German cockroach infestation rate decreased from 49.5% at 0 m to 24.4 and 12.5% at 6 and 12 month, respectively. The quantity of cockroach bait applied was 1,798, 428, 360, and 37 g during the 1st to the 4th quarter, respectively. Self-application of pesticides by residents was reduced by 62% from 0 to 6 month and by 83% from 0 to 12 month. Sanitation rating of the apartments significantly improved at 6 and 12 month after the IPM implementation. We measured the insecticide residues from kitchen and bedroom floor dust samples in 50 apartments at 0 month and 12 month. All had detectable insecticide residues at 0 mo. Mean insecticide residue concentration per apartment was 13.6 ± 2.7 (ng/cm2). It was reduced by 69% after 12 months (P < 0.001). Mean number of insecticides detected per apartment changed from 2.8 ± 0.3 to 2.1 ± 0.2. A total of 14 and 11 insecticides were detected at 0 and 12 mo, respectively. The top 5 most frequently detected insecticides in rooms were permethrin (29%), cypermethrin (28%), piperonyl butoxide (20%), deltamethrin (17%), and λ-cyhalothrin (16%). Among them, higher concentrations were found in bedrooms than kitchens except cypermethrin. An average of 25 ± 3 g 0.6% indoxacarb bait was applied per apartment for controlling German cockroaches. Cockroaches were eliminated from 49 of the 50 infested apartments at 12 month. Indoxacarb was detected from 10 and 2 apartments at 0 and 12 months, respectively. We demonstrated the IPM model in a 112-unit low-income community. The pest control contractor hired by the housing authority implemented an IPM model which was provided by Rutgers researchers.Only the cockroach infestations reduced (from 44% to 26%). Both mice and bed bug infestations increased. From 0 month to 14 month, 15 apartments always had cockroach infestations, two apartments always had bed bug infestations. The pest control service was not effective in significantly reducing the pest infestations. Reasons of poor results include: the contractor did not use any monitors for monitoring pests; 2) insufficent time (less than 30 seconds per apartment in average) spent and little amount of gel baits was applied in cockroach infested apartments; 3) bed bug infested units were only treated when they received complaints from the building management office.

Publications

  • Type: Journal Articles Status: Submitted Year Published: 2019 Citation: Changlu Wang, Amanda Eiden, Richard Cooper, Chen Zha, Desen Wang, and Ed Reilly. Reducing Indoor Insecticide Residues through Integrated Pest Management. Environmental Health Perspectives
  • Type: Journal Articles Status: Submitted Year Published: 2019 Citation: Changlu Wang, Amanda Eiden, Richard Cooper, Chen Zha , and Desen Wang. Evaluation of building-wide integrated pest management programs for German cockroach and bed bug management. Pest Management Science
  • Type: Journal Articles Status: Submitted Year Published: 2019 Citation: Chen Zha, Changlu Wang, Amanda Eiden, Richard Cooper, Desen Wang. Spatial Distribution and Monitoring of German Cockroaches in a High-rise Apartment Building. Journal of Economic Entomology


Progress 09/01/16 to 08/31/17

Outputs
Target Audience:Low-income residents living in multi-unit dwelling, housing manager and staff, pest control staff. Changes/Problems:The postdoc, Narinderpals Singh left in October 2015. A new postdoc, Amanda Eiden joined in December 2016. What opportunities for training and professional development has the project provided?We provided home pest control training to the residents and housing manager and staff of a low-income community. Approximately 60 people attended a seminar. Approximately 200 residents received printed educational material and face-to-face brief education during monthly inspections. How have the results been disseminated to communities of interest?We discussed the 6 month summary of results with the housing manager and administration of the housing authority. We also suggested changes in the contracted pest control services. What do you plan to do during the next reporting period to accomplish the goals?We will monitor the pest infestations in a second high-rise apartment building at 6 month and 12 month to examine the effectiveness of the contracted pest control services. We will also discuss with the housing authority staff and pest control contractor for modifying their pest control protocol if needed. The building staff and resident will be educated on pest prevention, monitoring, and control. We will submit two manuscripts during this period. One is about the effectiveness of IPM implemention on pest reduction, the second one is the effect of IPM on insecticide residue reduction.

Impacts
What was accomplished under these goals? After the implementation of IPM, bed bug infestation rate decreased at these rates: 7.4% at 0 months 4.2% at 6 months 3.2%, at 12 months German cockroach infestation rate decreased from these rates 49% at 0 months 24% at 6 months 12% at 12 months During the yearlong researcher-led cockroach control studies the quarterly total grams of bait used was 1,798, 428, 360, and 37 g for the 1st to the 4th quarter, respectively. The self-application of pesticides by residents reduced by 62% from 0 to 6 month and by 83% from 0 to 12 month.

Publications


    Progress 09/01/15 to 08/31/16

    Outputs
    Target Audience:Staff and residents in a low-income community located in Passaic County, New Jersey. There are 188 apartments in the building. We accessed all of the occupied units. Changes/Problems:Dr. Narinderpal Singh, the co-PI of this project, resigned in September 2015. A new postdoc, Dr. Amanda Eiden was hired on December 1, 2015. She will bethe new co-PI of this project. The initiation of the IPM program was delayed for a few monthsas a result of this personnel change. What opportunities for training and professional development has the project provided? Nothing Reported How have the results been disseminated to communities of interest?We prepared and distributed 190 brochures to residents and housing staff. The titles of these brochures are: Help Us Help You, Get Rid of German Cockroaches!; We Need Your Help Eliminating Bed Bugs in Our Community!; educational materials were produced in English and Spanish. An educational seminar was conducted in the housing community. What do you plan to do during the next reporting period to accomplish the goals?We will finish analyzing the cockroach allergen samples and floor wipe samples. The cockroach count data will be collected biweekly. Re-treatment will be conducted if needed in apartments with continuous infestation. Residents whose homes are infested with pests will be educated whenever possible during home visits. An in-house staff who is in charge of the pest control will receive our hands on training on how to conduct bed bug treatment. We will continue to analyze the interview data collected during the initial survey.

    Impacts
    What was accomplished under these goals? The cost and effectiveness of a building-wide IPM program was initiated in March 2016. The program included initial inspection and interviews, educating residents and housing staff, application of gel bait and boric acid dust for cockroaches, installing monitors (glue boards and interceptors), and biweekly monitoring. A total of 90 apartments were found with cockroaches and 14 apartments were found with bed bugs. After 3 months, the cockroach count reduced by 67% and 48% of the cockroach infestations were eliminated. We took floor wipe samples from bedrooms and kitchens in 69 apartments for analyzing pesticide residue levels. We also took settled dust samples in kitchens from 30 apartments for analyzing cockroach allergen levels. These samples were taken at the beginning of the IPM implementation. We plan to take samples from the same apartments again at 12 months to measure the impact of IPM on pesticide residue and cockroach allergen reduction.

    Publications