Appendix 4—table 1. Repeatability (R) of the measurements of iridescence performed on the wings of M. h. bristowi, M. h. theodorus, M. h. helenor, and M. a. achilles.

The repeatability was measured for the values of Brightness, Hue, and Chroma at every angle of illumination.

R	SE	Emp.2.5%	Emp.97.5%	p-value	Variable	Angle_ID
0.93195387	0.01307307	0.90333517	0.95236442	4.38E-77	Chroma	0
0.8815925	0.02194644	0.82807312	0.91642739	2.02E-58	Brightness	0
0.93731446	0.01264365	0.90649166	0.95552368	7.07E-80	Hue	0
0.81478231	0.03228571	0.73922202	0.86625459	1.06E-43	Chroma	15 A
0.67046172	0.05265538	0.54844062	0.75544574	1.20E-25	Brightness	15 A
0.91021841	0.01686965	0.87067891	0.93479852	1.06E-67	Hue	15 A
0.77559976	0.03806848	0.68813618	0.83531032	1.52E-37	Chroma	15E
0.6708999	0.05014185	0.56249193	0.74961219	1.10E-25	Brightness	15E
0.87101943	0.02490225	0.81147963	0.90678958	1.41E-55	Hue	15E
0.83143394	0.02937952	0.76803356	0.87725532	9.15E-47	Chroma	15I
0.73512952	0.04070802	0.63907404	0.8005203	2.51E-32	Brightness	15I
0.91839526	0.01578924	0.88039618	0.94433766	6.33E-71	Hue	15I
0.79982088	0.0350237	0.7162314	0.85456168	3.39E-41	Chroma	15 P
0.7198958	0.04867878	0.61651339	0.79526635	1.36E-30	Brightness	15 P
0.88930422	0.02020534	0.8443417	0.92331442	1.14E-60	Hue	15 P
0.79421599	0.03598134	0.7191763	0.8551282	2.62E-40	Chroma	30 A
0.67732938	0.04919037	0.56751756	0.76016964	2.80E-26	Brightness	30 A
0.9289188	0.01305597	0.89974257	0.95162324	1.33E-75	Hue	30 A
0.70444585	0.04668047	0.60669801	0.78777167	6.07E-29	Chroma	30E
0.71178183	0.045488	0.61393897	0.79154588	1.03E-29	Brightness	30E
0.87874635	0.02331122	0.82296662	0.91409894	1.25E-57	Hue	30E
0.6550905	0.05264239	0.53816018	0.74507705	2.76E-24	Chroma	30I
0.74554083	0.04261923	0.64566456	0.81391148	1.41E-33	Brightness	30I
0.87582059	0.02347792	0.82228053	0.91484364	7.75E-57	Hue	30I
0.9041886	0.01878598	0.85773967	0.93360667	1.64E-65	Chroma	30 P
0.81205069	0.03280043	0.74302844	0.86991471	3.15E-43	Brightness	30 P
0.97112453	0.00585086	0.95746447	0.9795759	1.88E-106	Hue	30 P
0.85400673	0.0260558	0.79757803	0.89737906	1.77E-51	Chroma	45 A
0.77039882	0.0374088	0.69002671	0.83570177	8.13E-37	Brightness	45 A
0.90203576	0.01936148	0.85524126	0.93076324	9.14E-65	Hue	45 A
0.75913134	0.03786569	0.67916231	0.82351654	2.66E-35	Chroma	45E
0.81757629	0.02896174	0.75431007	0.87015713	3.40E-44	Brightness	45E
0.82071206	0.03200376	0.74873736	0.86827257	9.31E-45	Hue	45E
0.74259191	0.04170908	0.64865071	0.80893911	3.23E-33	Chroma	45I
0.71182855	0.04478549	0.62281411	0.7850276	1.02E-29	Brightness	45I
0.84104241	0.02886878	0.77925018	0.88941637	1.10E-48	Hue	45I
0.83345745	0.03061064	0.76221461	0.88316779	3.69E-47	Chroma	45 P
0.72576245	0.0435171	0.62298039	0.79267106	3.01E-31	Brightness	45 P
0.79537205	0.03348855	0.72196461	0.85099538	1.73E-40	Hue	45 P
0.76096223	0.03875962	0.67466542	0.82646812	1.53E-35	Chroma	30A+
0.57007786	0.05936361	0.44073031	0.68032181	6.32E-18	Brightness	30A+
0.82901303	0.03012831	0.75897509	0.87566813	2.67E-46	Hue	30A+
0.89830354	0.01859355	0.85566402	0.9260342	1.65E-63	Chroma	30E+
0.60590647	0.05531483	0.48615964	0.6922734	2.16E-20	Brightness	30E+
0.86040869	0.02652343	0.79782212	0.90284859	5.85E-53	Hue	30E+
0.83151877	0.03001095	0.76702206	0.87982723	8.82E-47	Chroma	30I+
0.80264773	0.03329181	0.72607819	0.85682716	1.18E-41	Brightness	30I+
0.75740508	0.03975858	0.67291885	0.81765625	4.46E-35	Hue	30I+
0.83149921	0.03123307	0.76071749	0.88420299	8.89E-47	Chroma	30P+
0.7315642	0.0418415	0.64205063	0.80411359	6.54E-32	Brightness	30P+
0.54180507	0.06347357	0.39773273	0.64264721	3.63E-16	Hue	30P+
0.82564933	0.03141051	0.75785206	0.87820262	1.15E-45	Chroma	30A-
0.70304331	0.04565709	0.609797	0.78119994	8.47E-29	Brightness	30A-
0.70430795	0.04743961	0.59725879	0.77909707	6.27E-29	Hue	30A-
0.76953439	0.04063247	0.68300252	0.83811216	1.07E-36	Chroma	30E-
0.84800758	0.02819233	0.78156911	0.88972866	3.73E-50	Brightness	30E-
0.84527977	0.0268152	0.7854896	0.88880349	1.43E-49	Hue	30E-
0.9142409	0.01566538	0.87865615	0.93819666	3.01E-69	Chroma	30I-
0.83297497	0.02802545	0.76998544	0.88057836	4.59E-47	Brightness	30I-
0.88792846	0.02111732	0.84024728	0.92021421	2.95E-60	Hue	30I-
0.7596208	0.04114026	0.6698537	0.826702	2.29E-35	Chroma	30P-
0.7115446	0.04568159	0.61202912	0.78354985	1.09E-29	Brightness	30P-
0.9412519	0.01089593	0.91657877	0.95702933	4.35E-82	Hue	30P-