Table 1. Population details.

Species	Populations	Country	Region	Year	Latitude	Longitude	N	HO	HE	Alleles	Richness
I. elegans	Doniños	West Spain	South Europe	2007	43.29270	-8.18550	20	0.711	0.700	41	6.591
I. elegans	Laxe	West Spain	South Europe	2007	43.61930	-8.11126	14	0.715	0.805	32	6.146
I. elegans	Louro	West Spain	South Europe	2007	42.69088	-8.66035	15	0.712	0.729	32	5.792
I. elegans	Arreo	North Spain	South Europe	2008	42.47750	-2.57870	15	0.631	0.761	50	7.784
I. elegans	Baldajo	Central Spain	South Europe	2008	40.24260	-3.42060	17	0.603	0.795	48	7.673
I. elegans	Alfaro	North Spain	South Europe	2008	42.19080	-1.74230	20	0.663	0.758	50	7.046
I. elegans	Europa	East Spain	South Europe	2008	42.24380	3.10280	18	0.671	0.787	48	7.109
I. elegans	Amposta	East Spain	South Europe	2008	40.27320	0.21560	20	0.691	0.770	51	7.156
I. elegans	Marjal del Moro	East Spain	South Europe	2008	39.07270	-0.31350	20	0.671	0.751	44	5.776
I. elegans	Vigueirat	South France	South Europe	2008	43.53110	4.30120	16	0.733	0.804	42	6.252
I. elegans	Gran Sassod'Italia	Central Italy	South Europe	2008	42.50150	13.43280	19	0.777	0.813	51	7.461
I. elegans	Liverpool	Great Britain	North Europe	2008	53.24390	-2.58400	16	0.624	0.709	38	5.964
I. elegans	Heuringhem	North France	North Europe	2008	50.42090	2.16400	19	0.729	0.781	45	7.380
I. elegans	Kaiserslautern	South Germany	North Europe	2008	49.26410	7.46740	17	0.765	0.770	53	8.177
I. elegans	Het Vinne	Belgium	North Europe	2007	50.83300	5.11700	18	0.682	0.795	46	7.248
I. elegans	Höje Å 6	Sweden	North Europe	2005	55.70220	13.14370	20	0.653	0.717	43	7.010
I. elegans	Genarp	Sweden	North Europe	2005	55.60752	13.40420	20	0.680	0.753	44	7.203
I. elegans	Lublin-Zemborzyce	Poland	East Europe	2007	51.15000	22.34000	14	0.7505	0.797	60	8.081
I. elegans	ZwięczycaReszów	Poland	East Europe	2007	50.01670	21.91670	11	0.668	0.827	52	7.264
I. elegans	Breznica	Poland	East Europe	2007	49.96964	19.64290	18	0.712	0.796	47	6.678
I. elegans	Suchoi Limon	Ukraine	East Europe	2006	46.03000	30.04700	20	0.719	0.791	45	6.537
I. elegans	Enmakov Island	Ukraine	East Europe	2006	45.43500	29.52500	15	0.713	0.766	49	6.811
I. graellsii	Campus	West Spain	Outgroup	1999	42.166886	-8.68542	17	0.485	0.694	31	3.249
I. graellsii	Córdoba	South Central Spain	Outgroup	2005	37.883330	-4.76666	20	0.647	0.653	36	3.466
I. graellsii	Riveira de Cobres	Portugal	Outgroup	2009	37.49600	-7.52000	14	0.684	0.719	31	3.713
I. graellsii	Saidïa	North Morocco	Outgroup	2009	32.83000	-4.52000	13	0.490	0.677	25	3.118

Table shows the species, sampling localities, country, sampling year, latitude and longitude, the number of individuals sampled per population (N), observed (H_O) and expected heterozygosity (H_E), number of alleles and the allelic richness per population.