Table 1.

An overview of the arena experiments conducted. All replicates consisted of 10 adults of Cimex lectularius

	Desiccant dust treatment
	Control	High dose	Low dose	Low dose + many hiding places	Low dose, partly applied + many hiding palaces
Replicates with CO2	6	3	6	6	6
Replicates without CO2	3	3	6	6	6
Application rate	0.0 g/m2	3.0 g/m2	0.3 g/m2	0.3 g/m2	0.3 g/m2
Applied area	–	In whole arena	In whole arena	In whole arena	25 % of the arena
Exposure time	4 days	4 days	4 days	4 days	2 days
Harborages	4 harborages Or 4 harborages 1 rod 4 plates	4 harborages	4 harborages	4 harborages 1 rod 4 plates	4 harborages 1 rod 4 plates
Measurements
Mortality	Yes	Yes	Yes	Yes	Yes
Activity observed	Yes	Yes	No	No	Yes