Table 2 Summary statistics of each analyzed species populations, based on K groups observed in phylogenetic and Geneland analyses, using concatenated mtDNA. N = number of sequences, Hd = haplotype diversity, π = nucleotide diversity. Fu’s F_S and Tajima’s D values with an asterisk (*) represent significant values for their respective confidence intervals (< 0.02 and <  0.05). Columns with “n. a.” represent null genetic variation owing to the presence of only one haplotype. Region abbreviations are as follows: TMVB = Trans Mexican Volcanic Belt, SMS = Sierra Madre del Sur, SMOc = Sierra Madre Occidental, SMO = Sierra Madre Oriental, NCA = northern Central America, SCA = southern Central America, EMx-NCA = eastern Mexico-northern Central America, CR-NP = Costa Rica-northern Panama, SP = southern Panama

Groups

Cversicolor

TMVB

SMS

SMOc

SMO

SMS

Tuxtlas Massif

N Chiapas

NCA

SCA

SMS

EMx-NCA

CR-NP

SP

T. ridgwayi

eximia

poliocerca

cyanophrys

nigriventri

N

5

42

14

2

20

8

6

4

10

5

8

11

4

1

3

7

10

5

2

Hd (S. D.)

1 (0.1265)

0.982 (0.046)

0.967 (0.036)

1 (0.5)

0.931 (0.034)

0.821 (0.1007)

0.6 (0.215)

0.5 (0.265)

0.844 (0.1029)

0.8 (0.164)

0.785 (0.112)

0.5636 (0.134)

n. a.

n. a.

0.66 (0.314)

0.857 (0.137)

0.77 (0.137)

0.4 (0.237)

n. a.

π (S. D.)

0.00126 (0.00092)

0.00264 (0.0015)

0.0021 (0.0012)

0.0046 (0.0048)

0.0083 (0.0047)

0.00518 (0.0033)

0.00104 (0.00105)

0.00234 (0.002)

0.0084 (0.005)

0.0095 (0.0062)

0.0055 (0.0033)

0.0045 (0.0026)

n. a.

n. a.

0.0006 (0.0007)

0.0015 (0.00119)

0.0024 (0.0016)

0.0004 (0.0005)

n. a.

Tajima’s D

−0.74682

−1.732*

−0.686

n. a.

0.5083

1.0958

−1.131

−0.75445

−0.20935

0.9544

0.734

−0.33

n. a.

n. a.

n. a.

−1.023

0.138

−0.816

n. a.

Fu’s F_S

−2.2375*

−17.67*

−3.874*

2.397

−2.84

1.226

−0.858

1.716

0.57

3.1833

2.75

5.29

n. a.

n. a.

0.2

−2.019

−1.206

0.09

n. a.