The Company of Biologists

Table 1.

Receptor excitation values in the honeybee's UV, blue and green receptors calculated for the two colours in each pattern

Pattern	Colour 1	UV	Blue	Green	Colour 2	UV	Blue	Green
1	Black	0.369	0.344	0.343	White	0.828	0.931	0.912
2	Red	0.426	0.619	0.428	Gray1	0.424	0.389	0.346
3	Green	0.372	0.442	0.642	Gray2	0.439	0.439	0.379
4	Blue1	0.479	0.657	0.457	Gray3	0.506	0.461	0.409
5	Blue2	0.421	0.614	0.366	Yellow	0.459	0.414	0.851
6	Blue3	0.587	0.847	0.782	Turquoise	0.423	0.632	0.699
7	Green	0.348	0.404	0.656	White	0.828	0.931	0.912
8	Light yellow	0.442	0.379	0.809	Dark yellow	0.471	0.449	0.859
9	Red2	0.453	0.410	0.505	Gray4	0.478	0.480	0.412
10	Green2	0.470	0.502	0.605	Gray5	0.526	0.535	0.477
11	Blue4	0.403	0.619	0.428	Gray6	0.431	0.456	0.412

Pattern	Colour 1	UV	Blue	Green	Colour 2	UV	Blue	Green
1	Black	0.369	0.344	0.343	White	0.828	0.931	0.912
2	Red	0.426	0.619	0.428	Gray1	0.424	0.389	0.346
3	Green	0.372	0.442	0.642	Gray2	0.439	0.439	0.379
4	Blue1	0.479	0.657	0.457	Gray3	0.506	0.461	0.409
5	Blue2	0.421	0.614	0.366	Yellow	0.459	0.414	0.851
6	Blue3	0.587	0.847	0.782	Turquoise	0.423	0.632	0.699
7	Green	0.348	0.404	0.656	White	0.828	0.931	0.912
8	Light yellow	0.442	0.379	0.809	Dark yellow	0.471	0.449	0.859
9	Red2	0.453	0.410	0.505	Gray4	0.478	0.480	0.412
10	Green2	0.470	0.502	0.605	Gray5	0.526	0.535	0.477
11	Blue4	0.403	0.619	0.428	Gray6	0.431	0.456	0.412

λ_max=344 nm, 436 nm and 544 nm for the UV, blue and green receptors, respectively (Peitsch et al.,1992).