(Hemiptera: Cimicidae), in the western world over a decade ago, a search for effective monitoring and control measures were sought after. With the resurgence of bed bugs, Cimex lectularius L. Sticky trap designs with smooth surfaces around an adhesive could be used to monitor not only bed bugs but also German cockroaches. This trap was not only able to capture bed bugs but was also able to detect unknown German cockroach, Blattela germanica, infestations. A sticky trap design with a smooth plastic film around the adhesive was tested in the field to see if it could capture bed bugs in apartments with known bed bug activity. Results of these assays showed that as the acetate surfaces got smoother (lower R a), bed bugs were more likely to get trapped in sticky trap adhesives but also less likely to travel across the smoother surfaces they encountered. The number of times the bed bugs contacted the R a treatment but did not cross onto the treatment was recorded. In the third assay, bed bugs were placed into circular acetate arenas where they were surrounded by different R a treatments. The second assay was set up similarly to the first assay except that the outer portion of the acetate disc had a different R a than the center. Each disc was surrounded by sticky trap adhesive and number of captured bed bugs were recorded. In the first assay, bed bugs were placed onto acetate paper discs with different roughness averages (R a). We examined how the surface roughness around the adhesive of a sticky trap affects both bed bug behavior and adhesive entrapment. We conclude that baited pitfall traps are potentially effective tools for evaluating bed bug control programs and detecting early bed bug infestations.Little evidence has been presented on the usefulness of sticky traps for monitoring bed bugs, Cimex lectularius. A pitfall trap baited with CO 2 and chemical lure was subsequently placed in each apartment with an average of 15.0 ± 6.4 bed bugs collected per trap by the next morning. The bed bugs that were found by visual inspections were hand-removed during inspections. Visual inspections found an average of 12.0 ± 5.4 bed bugs per apartment. The pitfall trap was further tested in four bed bug-infested apartments to determine its efficacy in detecting light bed bug infestations. In 3.1- by 1.8-m environmental chambers, apitfall trap baited with CO 2 heat chemical lure trapped 57.3 ± 6.4% of the bed bugs overnight. Traps baited with CO 2 heat, CO 2 chemical lure, or CO 2 heat chemical lure captured ≤86.7% of the bed bugs after 6 h, indicating baited pitfall traps were highly effective in attracting and capturing bed bugs from a short distance. In small arena studies (56 by 44 cm), pitfall traps baited with CO 2 or heat trapped 79.8 ± 6.7 and 51.6 ± 0.9% (mean ± SEM) of the bed bugs after 6 h, respectively. Traps baited with chemical lure attracted more bed bugs but at a statistically nonsignificant level. CO 2 was significantly more attractive to bed bugs than heat. Both CO 2 and heat were attractive to bed bugs. (Heteroptera: Cimicidae), by using pitfall traps. Carbon dioxide (CO 2), heat, and chemical lure (1-octen-3-ol and L-lactic acid) were tested as attractants for bed bugs, Cimex lectularius L.
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