Table 2.

Analysis of trypanosome infection in midgut sections over time.

	Days after infected feed
	3–8	14–28	32–47	≥ 49	Total
Proventriculus
Red < green	19.59*	2.38	2.64	5.16	29.78
Red = green	1.24	0.74	0.24	0.39	2.60
Red > green	19.30*	0.32	2.52	0.20	22.34
Total	40.13	3.44	5.40	5.75	54.72
Anterior midgut
Red < green	90.89*	2.14	0.39	2.40	95.82
Red = green	4.72	9.20	0.77	1.88	16.56
Red > green	19.38*	5.71	0.55	0.39	26.03
Total	114.98	17.05	1.70	4.67	138.41
Mid/posterior midgut
Red < green	0.01	13.26	3.14	3.81	20.22
Red = green	3.11	21.23*	4.84	5.36	34.53
Red > green	0.04	12.94	1.82	4.60	19.40
Total	3.15	47.43	9.81	13.77	74.16

Each 3 × 4 table contains the chi-squared values obtained for individual cells for each part of the midgut using the data shown in Fig 3. * indicates highest contributions to the overall chi-squared value for each midgut section