Bed bug control with various dusts: Efficacy comparison between silicon dioxide, diatomaceous earth, and Sommières earth

Open Access

Table 1

Results of permanent exposure, short exposure, and horizontal transfer on the two bed bug colonies.

		Mortality on colony 1 (%)				Mortality on colony 2 (%)
		Day 1	Day 2	Day 6	Day 10	Day 1	Day 2	Day 6	Day 10
Permanent exposure	Silicon dioxide	100	100	100	100	80	100	100	100
	Diatomaceous earth pest management company (DE-pro)	95	100	100	100	75	85	100	100
	Diatomaceous earth litter conditioner (DE-pet)	65	75	90	100	30	45	85	100
	Diatomaceous earth supermarket insect control (DE-hom)	5	10	10	15	0	0	5	15
	Sommières earth	100	100	100	100	85	100	100	100
	Green clay	5	30	30	30	0	5	10	15
	Talc	60	60	65	100	35	50	60	100
	Sodium bicarbonate	0	0	5	10	0	0	10	15
	Control	0	0	0	0	0	0	0	0
Short exposure	Silicon dioxide	90	95	100	100	30	55	80	100
	Diatomaceous earth pest management company (DE-pro)	75	85	100	100	40	55	55	65
	Diatomaceous earth litter conditioner (DE-pet)	0	0	20	50	0	0	0	20
	Diatomaceous earth supermarket insect control (DE-hom)	0	0	0	0	0	5	5	5
	Sommières earth	35	40	60	75	10	20	45	95
	Talc	10	15	20	25	0	0	0	0
	Control	0	0	0	0	0	0	0	0
Horizontal transfer	Silicon dioxide	35	45	70	95	55	75	85	100
	Diatomaceous earth pest management company (DE-pro)	45	55	75	85	45	55	75	95
	Diatomaceous earth supermarket insect control (DE-hom)	0	20	25	30	5	10	10	10
	Sommières earth	0	0	20	55	0	10	10	70
	Control	0	0	0	10	0	0	0	0

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