Historic hybridization and persistence of a novel mito-nuclear combination in red-backed voles (genus Myodes)

Table 1 Sampling localities and number of individuals examined for morphological and molecular data

Locality		N	Cytochrome b		MYH6		Post-palatal bridge
			rutilus	gapperi	rutilus	gapperi	incomplete	complete
Southeast Alaska *M. rutilus*
1	Excursion Inlet	6	6	-	6	-	-	-
2	Mud Bay	20	20	-	20	-	7	-
3	Echo Cove	20	20	-	20	-	19	1
4	Limestone Inlet	8	8	-	8	-	3	1
5	Cape Fanshaw	18	18	-	18	-	4	-
6	Patterson River	13	13	-	13	-	9	-
7	Jap Creek	10	10	-	10	-	1	-
Southeast Alaska introgressants
8	Mallard Slough	28	28	-	-	28	-	21
9	Stikine River	20	20	-	-	20	-	18
10	Berg Bay	5	5	-	-	5	-	3
11	Tyee	29	5	24	-	29	-	11
12	Reflection Lake	17	8	9	-	17	-	17
13	Unuk River	31	31	-	-	31	-	25
14	Chickamin River	15	10	-	-	10	1	14
15	Hut Point	16	4	12	-	16	-	15
Southeast Alaska *M. gapperi*
16	Ledge Point	7	-	7	-	7	-	7
17	N Rudyerd Bay	17	-	17	-	17	-	11
18	Point Louise	19	-	19	-	19	-	14
19	Gwent Cove	20	-	20	-	20	-	17
20	Duck Point	26	-	26	-	26	-	3
21	Union Bay	25	-	24	-	24	-	12
22	Bond Bay	24	-	24	-	24	-	24
23	Wrangell Island	36	-	36	-	36	1	32
24	Etolin Island	34	-	20	-	20	-	24
25	Revillagigedo Is.	12	-	12	-	12	-	9
26	Revillagigedo Is.	9	-	9	-	9	-	6
Interior Alaska *M. rutilus*
Denali Nat. Park		46	1	-	1	-	41	5
Minnesota *M. gapperi*
Brown County		18	-	1	-	1	-	18

Individuals examined for morphological and molecular data. Locality numbers correspond to Figure 1. Numbers of individuals examined for cytochrome b and MYH6 include direct sequencing and RFLP analyses. Contact of M. gapperi and introgressants is found at localities 11, 12, and 15.

ISSN: 2730-7182