Comparative assessment of insecticide resistance phenotypes in two major malaria vectors, Anopheles funestus and Anopheles arabiensis in south-eastern Tanzania

Pinda, Polius G.; Eichenberger, Claudia; Ngowo, Halfan S.; Msaky, Dickson S.; Abbasi, Said; Kihonda, Japhet; Bwanaly, Hamis; Okumu, Fredros O.

doi:10.1186/s12936-020-03483-3

Table 1 The knockdown times of An. funestus and An. arabiensis mosquitoes at different insecticide concentrations

From: Comparative assessment of insecticide resistance phenotypes in two major malaria vectors, Anopheles funestus and Anopheles arabiensis in south-eastern Tanzania

Insecticide	Village	Concentration	An. arabiensis		An. funestus
Insecticide	Village	(Fold)	KDT₅₀ ± SE (min)	KDT₉₅ ± SE (min)	KDT₅₀ ± SE (min)	KDT₉₅ ± SE (min)
Deltamethrin	Ikwambi	1×	40.87 ± 12.55	76.68 ± 30.88	77.35 ± 50.19	128.13 ± 111.12
		5×	8.65 ± 6.70	23.34 ± 11.67	59.03 ± 22.43	99.19 ± 54.25
		10×	–	–	39.06 ± 12.85	77.21 ± 32.73
	Sululu	1×	38.81 ± 10.05	66.76 ± 21.76	86.39 ± 71.94	132.00 ± 146.02
		5×	11.61 ± 13.10	47.08 ± 23.83	68.15 ± 39.38	124.38 ± 97.13
		10×	8.63 ± 8.84	29.22 ± 15.50	45.94 ± 15.73	87.10 ± 41.42
	Tulizamoyo	1×	31.30 ± 8.82	56.48 ± 18.01	152.37 ± 388.44	245.22 ± 702.53
		5×	16.16 ± 5.75	29.99 ± 12.05	50.54 ± 19.60	96.49 ± 52.42
		10×	–	–	52.53 ± 16.60	88.72 ± 40.44
Permethrin	Ikwambi	1×	42.19 ± 10.82	71.25 ± 24.19	104.11 ± 124.69	177.35 ± 257.04
		5×	6.97 ± 5.17	16.15 ± 7.61	37.62 ± 11.07	70.12 ± 25.75
		10×	–	–	33.21 ± 11.87	71.14 ± 29.92
	Sululu	1×	25.35 ± 9.05	52.67 ± 19.02	82.76 ± 61.03	130.09 ± 127.92
		5×	4.05 ± 11.16	25.13 ± 15.64	33.26 ± 10.01	63.31 ± 22.11
		10×	7.83 ± 5.64	18.93 ± 8.92	20.21 ± 10.21	51.82 ± 21.66
	Tulizamoyo	1×	42.80 ± 11.56	73.95 ± 26.67	70.76 ± 41.28	124.31 ± 97.84
		5×	6.98 ± 8.14	24.26 ± 13.34	38.32 ± 13.87	80.67 ± 37.66
		10×	–	–	29.16 ± 8.61	53.82 ± 17.50
Pirimiphos-methyl	Ikwambi		49.06 ± 9.51	70.40 ± 20.85	32.31 ± 6.62	46.15 ± 11.89
	Sululu	1×	57.12 ± 10.92	75.62 ± 26.77	48.30 ± 7.54	64.09 ± 15.25
	Tulizamoyo		53.08 ± 14.22	83.01 ± 33.48	34.03 ± 4.70	40.42 ± 7.92
DDT	Ikwambi		44.82 ± 9.38	67.70 ± 19.65	97.77 ± 116.62	146.48 ± 222.68
	Sululu	1×	55.00 ± 11.41	76.66 ± 27.24	72.33 ± 37.37	119.73 ± 82.09
	Tulizamoyo		61.06 ± 23.07	99.04 ± 54.65	69.53 ± 35.24	113.72 ± 80.51
Bendiocarb	Ikwambi		14.86 ± 4.43	24.27 ± 9.45	26.32 ± 6.75	42.21 ± 13.04
	Sululu	1×	19.29 ± 4.37	27.23 ± 9.40	25.18 ± 4.92	33.00 ± 8.65
	Tulizamoyo		16.74 ± 3.36	22.85 ± 7.14	40.42 ± 7.61	57.80 ± 14.09

SE standard error, KDT₅₀ time taken for 50% of the tested mosquitoes to be knocked-down, KDT₉₅ time taken for 95% of the tested mosquitoes to be knocked-down

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