Table 1.

Number of live/melanized oocysts per midgut in each of the lines during the fitness test performed at generation 12 or 13. n = 45–80. Values are arithmetic means (± SE of the means) and medians.

	Control	Refractory	Susceptible
Black group infected
live oocysts	130.2 ± 11.7	0	171.7 ± 10.6
	111.5	0	205.5
melanized oocysts	0.71 ± 0.4	68.4 ± 6.4	0
	0	49.0	0
Black group infected/stressed
live oocysts	111.2 ± 13.5	0	104.1 ± 13.1
	61.5	0	49.5
melanized oocysts	0	19.9 ± 2.6	0
	0	10.0	0
Red group infected
live oocysts	143.1 ± 12.7	48.1 ± 10.2	126.0 ± 13.3
	162.0	0	117.0
melanized oocysts	0.16 ± 0.13	14.7 ± 2.8	0
	0	0	0
Red group infected/stressed
live oocysts	48.6 ± 11.5	10.03 ± 3.3	73.3 ± 10.6
	44.0	6.0	30.5
melanized oocysts	0	12.9 ± 2.5	0
	0	5.0	0
Green group infected
live oocysts	20.3 ± 5.6	2.2 ± 0.6	29.3 ± 6.5
	2.0	0	3.0
melanized oocysts	0.07 ± 0.01	2.3 ± 0.6	0
	0	0	0
Green group infected/stressed
live oocysts	53.1 ± 9.3	12.0 ± 0.6	90.7 ± 8.0
	44.0	6.0	25.0
melanized oocysts	0.04 ± 0.02	1.82 ± 0.5	0.16 ± 0.02
	0	0	0