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. 2016 Jun 20;90(1):249–259. doi: 10.1007/s10340-016-0784-1

Fig. 1.

Fig. 1

A bed bug arena used to investigate the effect of different Syloid treatments. Harborages are located in each of the four corners of the arena and transparent plastic plates provided additional possible new harborages. The inverted Petri dish in the center was used as an elevated platform to place dry ice that release CO2 gas for stimulating the bed bugs