TABLE 6.

Distributional selection differential on the floral traits.

Floral Traits	DSD	Probability	dD	Probability	dN	Probability	S	Probability	delta δ	Beta β
All bees
Racemes per stem	0.333	0.002	0.328	0.002	0.006	0.878	0.328	0.002	0.278	0.193
Stems per plant	0.806	0.000	0.806	0.000	0.000	0.984	0.806	0.000	0.732	0.786
Total flowers	0.060	0.973	0.017	0.863	0.043	0.398	0.017	0.863	0.615	−0.031
Hue	0.064	0.911	0.006	0.955	0.058	0.173	0.006	0.955	0.492	0.016
Chroma	0.050	0.990	0.010	0.931	0.040	0.353	−0.010	0.931	0.241	−0.115
Reflectivity	0.088	0.774	0.040	0.709	0.047	0.345	0.040	0.709	0.214	0.038
Bumble bee
Racemes per stem	0.276	0.002	0.276	0.002	0.000	0.983	0.276	0.002	0.178	0.223
Stems per plant	0.439	0.000	0.434	0.000	0.005	0.871	0.434	0.000	0.399	0.396
Total flowers	0.064	0.904	0.057	0.538	0.008	0.825	0.057	0.538	0.120	0.008
Hue	0.061	0.881	0.010	0.915	0.051	0.194	0.010	0.915	1.463	0.120
Chroma	0.065	0.842	0.038	0.679	0.027	0.474	0.038	0.679	−0.063	−0.119
Reflectivity	0.116	0.347	0.086	0.346	0.030	0.504	−0.086	0.346	0.149	−0.184
Honey bee
Racemes per stem	0.370	0.004	0.314	0.016	0.055	0.429	0.314	0.016	0.229	0.132
Stems per plant	0.907	0.000	0.907	0.000	0.000	0.983	0.907	0.000	0.849	0.890
Total flower	0.156	0.408	0.142	0.275	0.014	0.790	0.142	0.275	0.111	0.065
Hue	0.159	0.339	0.118	0.367	0.041	0.452	0.118	0.367	0.239	0.140
Chroma	0.116	0.642	0.111	0.395	0.006	0.857	0.111	0.395	0.124	0.091
Reflectivity	0.093	0.901	0.061	0.634	0.032	0.618	0.061	0.634	0.336	0.122
Leafcutting bee
Racemes per stem	0.543	0.079	0.512	0.076	0.031	0.800	0.512	0.076	0.507	0.426
Stems per plant	0.734	0.016	0.724	0.015	0.010	0.894	0.724	0.015	0.557	0.628
Total flowers	0.223	0.853	0.157	0.586	0.067	0.611	−0.157	0.586	0.313	−0.262
Hue	0.155	0.979	0.037	0.904	0.117	0.328	−0.037	0.904	2.529	0.204
Chroma	0.323	0.414	0.275	0.351	0.048	0.640	0.275	0.351	0.565	0.149
Reflectivity	0.179	0.967	0.131	0.656	0.048	0.703	−0.131	0.656	−0.181	−0.042

Relative fitness was based on the proportion of floral visits. Total selection is measured by DSD while dD represents the directional and dN the non-directional component of selection. The general selection differential is S and β is the selection gradient. Statistically significant values are bolded.