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. 2016 Dec 5;6:38289. doi: 10.1038/srep38289

Table 2. Comparison of the genetic diversity within historical and recent populations of Bombus species.

  Species Location Historical time period (1913–1915)
Recent time period (2013–2015)
N HE SE AR* SE N HE SE AR* SE
Restricted species B. soroeensis Torgny 11 0.479 0.079 3.530 0.514 9 0.434 0.095 3.810 0.680
B. humilis Trivières 13 0.358 0.079 3.220 0.527  
B. humilis Torgny 6 0.313 0.077 2.310 0.339 8 0.349 0.080 3.250 0.556
B. ruderarius Moorsel 10 0.333 0.085 2.750 0.504  
B. ruderarius Nieuwpoort   6 0.307 0.095 2.560 0.500
B. ruderarius Trivières 15 0.354 0.092 3.400 0.658  
B. ruderarius Torgny 11 0.440 0.075 3.490 0.501 11 0.318 0.101 3.100 0.691
B. sylvarum Moorsel 7 0.316 0.089 2.440 0.484  
B. sylvarum Trivières 14 0.366 0.078 3.130 0.566  
B. sylvarum Torgny 18 0.509 0.074 3.870 0.498 15 0.345 0.089 3.270 0.720
    Mean 11.7 0.385 0.068 3.127 0.496 9.8 0.351 0.045 3.198 0.400
Widespread species B. pascuorum Francorchamps 17 0.458 0.093 4.120 0.673 26 0.478 0.085 4.340 0.727
B. pascuorum Moorsel 21 0.493 0.083 4.410 0.639 21 0.459 0.086 4.170 0.738
B. pascuorum Nieuwpoort   19 0.454 0.090 4.420 0.833
B. pascuorum Trivières 17 0.491 0.087 4.530 0.684 23 0.442 0.083 4.000 0.690
B. pascuorum Torgny 12 0.420 0.072 3.430 0.478 20 0.409 0.087 3.820 0.686
B. hortorum Francorchamps 18 0.596 0.087 6.320 0.952 25 0.584 0.092 6.080 0.981
B. hortorum Moorsel 24 0.557 0.094 5.800 0.911 20 0.580 0.095 5.950 0.929
B. hortorum Nieuwpoort 25 0.576 0.082 5.720 0.849  
B. hortorum Trivières 21 0.568 0.088 5.460 0.883 17 0.572 0.084 5.720 0.845
B. hortorum Torgny   23 0.563 0.089 5.710 0.907
B. pratorum Francorchamps 18 0.554 0.081 9.040 0.686 22 0.557 0.078 5.070 0.751
B. pratorum Moorsel 12 0.606 0.061 4.380 0.568 19 0.630 0.071 5.560 0.764
B. pratorum Trivières 8 0.601 0.076 8.130 0.539 21 0.626 0.076 5.500 0.726
B. pratorum Torgny   20 0.639 0.075 5.480 0.652
B. lapidarius Francorchamps 16 0.728 0.040 5.600 0.413 23 0.722 0.056 6.250 0.546
B. lapidarius Moorsel 14 0.690 0.040 5.350 0.506 20 0.728 0.054 6.310 0.519
B. lapidarius Nieuwpoort 15 0.716 0.039 5.640 0.534 24 0.755 0.055 6.590 0.584
B. lapidarius Trivières 8 0.701 0.059 4.810 0.567 22 0.746 0.047 6.520 0.534
B. lapidarius Torgny 16 0.671 0.052 5.560 0.564 22 0.745 0.052 6.480 0.643
    Mean 16.4 0.589 0.091 5.519 1.377 21.5 0.594 0.111 5.443 0.898

For each population the mean values (and SE) of the expected heterozygosity (HE) and the allelic richness (AR) over all microsatellite loci are given. Furthermore, species are grouped based on their distribution in Belgium. With N = the number of populations of each species.

*Allelic richness calculated based on 10 diploid specimens.