FIGURE 7. Which of the following methods are you currently using to find bed bugs?
Visual Inspection
Passive Traps Pitfall Traps
Canine Scent Detection
Active Traps 16% 43% 14% 27% 40% 59% 25% 46%
■ 2010 ■ 2011
Methods other than visual inspection experienced double digit growth.
89% 99%
Most companies still rely on visual inspections
FIGURE 8. Please list the top three insecticides you routinely use for bed bug control. (Ten most mentioned products)
Phantom Temprid Bedlam Gentrol Alpine
Transport Delta Dust Suspend Tempo Drione
51% 42% 28%
16% 16% 15%
12% 11% 11%
10%
* Other products mentioned by at least 7% of respondents: diatomaceous earth, Tri-Die, Demand, Sterifab, and pyrethrins.
to locate bed bugs. However, various other detec- tion methods grew from the previous year (Figure 7). More than half of current respondents (59%) mentioned using ‘passive traps’ (glue boards or sticky traps). While glue traps can capture bed bugs, their reliability in detecting infestations, especially at low-levels, is often weaker than for such pests as cockroaches and spiders. Nearly twice as many respondents in 2011—46% versus 25% the previous year—mentioned using ‘pitfall traps’ (dish-shaped traps placed under the legs of beds and sofas). Similar increases (27% versus 14%) were reported for ‘active traps’ using heat and/or carbon dioxide. Especially notable was the large increase in use of bed bug detection dogs owned by the company or sub-contracted through a handler. In 2011, 43% of respondents said their firms had used canines to find bed bugs, versus 17% in 2010. More than two thirds of respondents (69%) felt
that customers are very (22%) or somewhat (47%) interested in preventative inspection services for bed bugs—underscoring the need for detection methods that are effective, efficient, economical, and inconspicuous. When respondents were asked which methods
they normally use to control bed bugs, 99% men- tioned insecticides (96% said they used liquids, 91% dusts, 52% aerosols). Two other popular methods were mattress encasements and laundering by clients (both mentioned by 86% of respondents in 2011 versus 76% in 2010). Also mentioned were vacuuming (by 65%), disposal of infested items (by 62%), and steaming (43%). Volumetric heating of rooms/dwellings, or using heat containers, was mentioned by 32% and 20% of respondents, respec- tively, compared to 17% of those surveyed in 2010. Other measures mentioned by smaller numbers of respondents included spot freezing (by 12%), pesticide-impregnated bed liners (by 4%), and seal- ing cracks and crevices (<1%).
Using Insecticides When asked which insecticides they routinely use for bed bug control, Phantom was mentioned by 51% of the respondents (41% liquid, 10% aerosol). Phantom, a non-pyrethroid, was also the most mentioned product in the 2010 survey. In the cur-
10 PESTWORLD NOVEMBER/DECEMBER 2011
www.npmapestworld.org
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