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Do-it-yourself bed-bug detector

With bed-bug numbers on the rise in North America, researchers test homemade bug finders

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4:33pm, December 18, 2009

INDIANAPOLIS — After trying some 50 arrangements of household objects, researchers have come up with a new low-cost, homemade bed-bug detector.

To lure the bugs out of hiding, Wan-Tien Tsai of Rutgers University in New Brunswick, N.J., put dry ice into an insulated, one-third-gallon jug, the kind available at sports or camping stores. Adding 2.5 pounds of dry ice pellets and not quite closing the pour hole allowed carbon dioxide to leak out at a bug-teasing rate for some 11 hours at room temperature, she said.

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