Table 2. ANCOVA results for protein and carbohydrate intake, and pupal weight. Non-significant interactions (p≥0.05) were removed sequentially.

source	protein			carbohydrate			pupal weight squared
	d.f.	F-value	P-value	d.f.	F-value	P-value	d.f.	F-value	P-value
initial weight	1, 213	0.85	0.36	1, 219	1.6	0.20	1, 219	16.94	<0.0001
sex	1, 213	2.74	0.10	1, 219	6.28	0.01	1, 219	9.59	<0.01
colony	1, 213	1.62	0.20	1, 219	90.23	<0.0001	1, 219	40.77	<0.0001
choice expt	2, 213	1.27	0.28	2, 219	4.25	0.02	2, 219	10.47	<0.0001
colony×choice expt	2, 213	2.70	0.07	2, 217	1.07	0.35	2, 217	2.79	0.06
colony×sex	1, 213	1.45	0.23	1, 219	7.05	<0.01	1, 219	14.11	<0.001
choice expt×sex	2, 213	1.22	0.30	2, 215	0.30	0.74	2, 215	0.60	0.55
colony×choice expt×sex	2, 213	4.09	0.02	2, 213	1.12	0.33	2, 213	1.79	0.17

colony = susceptible vs. resistant.