Parasites & Vectors

Table 2 Variation in phenoloxidase activity of adult female and male Culex pipiens mosquitoes according to insecticide resistance genotype (IR), age and size

From: Patterns of phenoloxidase activity in insecticide resistant and susceptible mosquitoes differ between laboratory-selected and wild-caught individuals

	(a) Isogenic mosquitoes				(b) Wild mosquitoes
	Active PO		Total PO		Active PO
Factor	F _(df)	P	F _(df)	P	F _(df)	P
Females
IR	3.22 _{(2, 525)}	0.0409	2.62 _{(2, 525)}	0.0735	0.27 _{(2, 348)}	0.7658
Age	67.99 _{(2, 525)}	< 0.0001	47.62 _{(2, 525)}	< 0.0001	25.79 _{(2, 348)}	< 0.0001
Size	0.02 _{(1, 525)}	0.8845	4.19 _{(1, 525)}	0.0412	12.13 _{(1, 348)}	0.0006
IR*age	2.66 _{(4, 525)}	0.0319	3.39 _{(4, 525)}	0.0094	0.45 _{(4, 348)}	0.7756
Males
IR	10.71 _{(2, 525)}	< 0.0001	10.29 _{(2, 525)}	< 0.0001	3.22 _{(2, 371)}	0.0409
Age	40.31 _{(2, 525)}	< 0.0001	42.32 _{(2, 525)}	< 0.0001	24.71 _{(2, 371)}	< 0.0001
Size	12.64 _{(1, 525)}	0.0004	19.85 _{(1, 525)}	< 0.0001	5.25 _{(1, 371)}	0.0225
IR*age	4.07 _{(4, 525)}	0.0029	2.90 _{(4, 525)}	0.0215	2.41 _{(4, 371)}	0.0490

(a) Experiment 1 using isogenic strain mosquitoes. (b) Experiment 2 using wild mosquitoes.

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ISSN: 1756-3305

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