Table 1.

Knock-down times and percent mortality 24 hours after a 1-hour exposure to the WHO diagnostic dose of insecticide in 13 Anopheles gambiae s .l. populations from Zimbabwe in 2012

Site (District)	Insecticide	N	% Knockdown at 60 min	% Mortality at 24 hrs
Mazowe River Bridge (Rushinga)	DDT (4%)	80	100	100
	Bendiocarb (0.1%)	80	100	100
	λ-cyhalothrin (0.05%)	80	100	100
	Malathion (5%)	80	100	100
Muzarabani RHC (Centenary)	DDT (4%)	80	100	100
	Bendiocarb (0.1%)	80	100	100
	λ-cyhalothrin (0.05%)	80	100	100
	Malathion (5%)	80	100	100
Zindi RHC (Mutasa)	DDT (4%)	ND	ND	ND
	Bendiocarb (0.1%)	ND	ND	ND
	λ-cyhalothrin (0.05%)	20	100	100
	Malathion (5%)	ND	ND	ND
Chilonga RHC (Chiredzi)	DDT (4%)	40	100	100
	Bendiocarb (0.1%)	40	100	100
	λ-cyhalothrin (0.05%)	40	100	100
	Malathion (5%)	40	100	100
Makakabule RHC (Beit Bridge)	DDT (4%)	40	100	100
	Bendiocarb (0.1%)	40	100	100
	λ-cyhalothrin (0.05%)	40	100	100
	Malathion (5%)	20	100	100
Jotsholo (Lupane)	DDT (4%)	20	95	100
	Bendiocarb (0.1%)	20	100	100
	λ-cyhalothrin (0.05%)	20	100	100
	Malathion (5%)	20	100	100
Manjolo (Binga)	DDT (4%)	20	100	100
	Bendiocarb (0.1%)	20	100	100
	λ-cyhalothrin (0.05%)	20	100	100
	Malathion (5%)	20	100	100
Kamhororo (Gokwe South)	DDT (4%)	80	100	100
	Bendiocarb (0.1%)	80	100	100
	λ-cyhalothrin (0.05%)	80	100	100
	Malathion (5%)	80	100	100
Kotwa (Mudzi)	DDT (4%)	80	100	100
	Bendiocarb (0.1%)	80	100	100
	λ-cyhalothrin (0.05%)	80	100	98
	Malathion (5%)	80	100	100
Maramba RHC (Uzumba Maramba Pfungwe)	DDT (4%)	80	100	100
	Bendiocarb (0.1%)	40	100	100
	λ-cyhalothrin (0.05%)	80	100	100
	Malathion (5%)	40	100	100
Burma Valley Clinic (Mutare)	DDT (4%)	40	100	100
	Bendiocarb (0.1%)	40	100	100
	λ-cyhalothrin (0.05%)	60	100	100
	Malathion (5%)	42	100	100
Kasimure (Hurungwe)	DDT (4%)	20	100	100
	Bendiocarb (0.1%)	20	100	100
	λ-cyhalothrin (0.05%)	20	100	100
	Malathion (5%)	ND	ND	ND
Chakari (Sanyati)	DDT (4%)	84	100	100
	Bendiocarb (0.1%)	80	99	99
	λ-cyhalothrin (0.05%)	80	100	99
	Malathion (5%)	82	100	100

ND, not done; RHC, rural health centre.