Table 2. Genetic structure among H. uruguayensis and outgroups.

Population	1	2	3	4	5	6	7	8	9	10	11	12	13
1 CJA	0.003	0.480	0.873	0.849	0.939	0.688	0.581	0.781	0.869	0.925	0.954	-	-
2 BR293	0.008	0.007	0.798	0.513	0.897	0.243	0.528	0.692	0.799	0.874	0.911	-	-
3 FCB	0.021	0.022	0.005	0.936	0.957	0.841	0.837	0.924	0.917	0.953	0.972	-	-
4 BR290	0.013	0.009	0.025	0.002	0.971	0.514	0.796	0.934	0.937	0.969	0.990	-	-
5 CTI	0.038	0.039	0.042	0.042	0.003	0.920	0.905	0.961	0.945	0.970	0.986	-	-
6 CVE	0.013	0.008	0.023	0.006	0.040	0.004	0.667	0.800	0.847	0.909	0.938	-	-
7 ART1	0.010	0.012	0.026	0.017	0.040	0.017	0.006	0.438	0.833	0.898	0.926	-	-
8 ART2	0.013	0.014	0.027	0.020	0.040	0.019	0.009	0.006	0.921	0.961	0.983	-	-
9 RIV	0.026	0.027	0.033	0.031	0.044	0.030	0.032	0.034	0.006	0.889	0.947	-	-
10 PAY	0.029	0.030	0.035	0.034	0.047	0.033	0.035	0.038	0.020	0.002	0.978	-	-
11 SAL	0.035	0.037	0.039	0.042	0.054	0.040	0.041	0.042	0.027	0.029	0.000	-	-
12 H. fasciata	0.164	0.166	0.168	0.169	0.174	0.167	0.162	0.161	0.173	0.169	0.171	-	-
13 H. borellii	0.106	0.109	0.113	0.109	0.115	0.111	0.108	0.107	0.112	0.113	0.120	0.170	-

Above diagonal—Pairwise Φ_ST values; Diagonal (in bold)—Intrapopulational pairwise distances; Below diagonal—Pairwise genetic distances.